High 10 Open-source Reasoning Fashions in 2026

Introduction 

AI in 2026 is shifting from uncooked textual content turbines to brokers that act and motive. Specialists predict a deal with sustained reasoning and multi-step planning in AI brokers. In observe, this implies LLMs should assume earlier than they converse, breaking duties into steps and verifying logic earlier than outputting solutions. Certainly, current analyses argue that 2026 can be outlined by reasoning-first LLMs-models that deliberately use inside deliberation loops to enhance correctness. These fashions will energy autonomous brokers, self-debugging code assistants, strategic planners, and extra. 

On the similar time, real-world AI deployment now calls for rigor: “the query is not ‘Can AI do that?’ however ‘How properly, at what price, and for whom?’”. Thus, open fashions that ship high-quality reasoning and sensible effectivity are crucial.

Reasoning-centric LLMs matter as a result of many rising applications- from superior QA and coding to AI-driven research-require multi-turn logical chains. For instance, agentic workflows depend on fashions that may plan and confirm steps over lengthy contexts. Benchmarks of 2025 present that specialised reasoning fashions now rival proprietary programs on math, logic, and tool-using duties. Briefly, reasoning LLMs are the engines behind next-gen AI brokers and decision-makers.

On this weblog, we’ll discover the highest 10 open-source reasoning LLMs of 2026, their benchmark efficiency, architectural improvements, and deployment methods.

What Is a Reasoning LLM?

Reasoning LLMs are fashions tuned or designed to excel at multi-step, logic-driven duties (puzzles, superior math, iterative problem-solving) relatively than one-shot Q&A. They sometimes generate intermediate steps or ideas of their outputs.

As an example, answering “If a practice goes 60 mph for 3 hours, how far?” requires computing distance = velocity×time earlier than answering-a easy reasoning job. A real reasoning mannequin would explicitly embrace the computation step in its response. Extra complicated duties equally demand chain-of-thought. In observe, reasoning LLMs usually have considering mode: both they output their chain-of-thought in textual content, or they run hidden iterations of inference internally.

Trendy reasoning fashions are these refined to excel at complicated duties finest solved with intermediate steps, resembling puzzles, math proofs, and coding challenges. They sometimes embrace express reasoning content material within the response. Importantly, not all LLMs have to be reasoning LLMs: less complicated duties like translation or trivia don’t require them. In truth, utilizing a heavy reasoning mannequin in all places might be wasteful and even “overthinking.” The hot button is matching instruments to duties. However for superior agentic and STEM functions, these reasoning-specialist LLMs are important.

Architectural Patterns of Reasoning-First Fashions

Reasoning LLMs usually make use of specialised architectures and coaching:

• Combination of Specialists (MoE): Many high-end reasoning fashions use MoE to pack trillions of parameters whereas activating solely a fraction per token. For instance, Qwen3-Subsequent-80B prompts solely 3B parameters through 512 specialists, and GLM-4.7 is 355B complete with ~32B energetic. Moonshot’s Kimi K2 makes use of ~1T complete parameters (32B energetic) throughout 384 specialists. Nemotron 3 Nano (NVIDIA) makes use of ~31.6B complete (3.2B energetic, through a hybrid MoE Transformer). MoE permits large mannequin capability for complicated reasoning with decrease per-token compute.
• Prolonged Context Home windows: Reasoning duties usually span lengthy dialogues or paperwork. Thus many fashions natively help large context sizes (128K-1M tokens). Kimi K2 and Qwen-coder fashions help 256K (extensible to 1M) contexts. LLaMA 3.3 extends to 128K tokens. Nemotron-3 helps as much as 1M context size. Lengthy context is essential for multi-step plan monitoring, software historical past, and doc understanding.
• Chain-of-Thought and Pondering Modes: Architecturally, reasoning LLMs usually have express “considering” modes. For instance, Kimi K2 solely outputs in a “considering” format with … blocks, implementing chain-of-thought. Qwen3-Subsequent-80B-Pondering mechanically features a tag in its immediate to pressure reasoning mode. DeepSeek-V3.2 exposes an endpoint that by default produces an inside chain of thought earlier than last solutions. These modes might be toggled or managed at inference time, buying and selling off latency vs. reasoning depth.
• Coaching Strategies: Past structure, many reasoning fashions endure specialised coaching. OpenAI’s gpt-oss-120B and NVIDIA’s Nemotron all use RL from suggestions (usually with math/programming rewards) to spice up problem-solving. For instance, DeepSeek-R1 and R1-Zero had been educated with large-scale RL to straight optimize reasoning capabilities. Nemotron-3 was fine-tuned with a mixture of supervised fine-tuning (SFT) on reasoning information and multi-environment RL . Qwen3-Subsequent and GPT-OSS each undertake “considering” coaching the place the mannequin is explicitly educated to generate reasoning steps. Such focused coaching yields markedly higher efficiency on reasoning benchmarks.
• Effectivity and Quantizations: To make these massive fashions sensible, many use aggressive quantization or distillation. Kimi K2 is natively INT4-quantized. Nemotron Nano was post-quantized to FP8 for sooner throughput. GPT-OSS-20B/120B are optimized to run on commodity GPUs. Moonshot’s MiniMax additionally emphasizes an “environment friendly design”: solely 10B activated parameters (with ~230B complete) to suit complicated agent duties.

Collectively, these patterns – MoE scaling, large contexts, chain-of-thought coaching, and cautious tuning – outline right this moment’s reasoning LLM architectures.

1. GPT-OSS-120B

GPT-OSS-120B is a production-ready open-weight mannequin launched in 2025.  It makes use of a Combination-of-Specialists (MoE) design with 117B complete / 5.1B energetic parameters. 

GPT-OSS-120B achieves near-parity with OpenAI’s o4-mini on core reasoning benchmarks, whereas operating on a single 80GB GPU. It additionally outperforms different open fashions of comparable dimension on reasoning and gear use.

It additionally is available in a 20B model optimized for effectivity: the 20B mannequin matches o3-mini and might run on simply 16GB of RAM, making it ultimate for native or edge use. Each fashions help chain-of-thought with tags and full software integration through APIs. They help excessive instruction-following high quality and are totally Apache-2.0 licensed.

Key specs: 

Strengths and Limits

• Professionals: Close to-proprietary reasoning (AIME/GPQA parity), single-GPU viable, full CoT/software APIs for brokers.
• Cons: 120B deploy nonetheless wants tensor-parallel for <80GB setups; neighborhood fine-tunes nascent; no native picture/imaginative and prescient.

Optimized for latency

•  GPT-OSS-120B can run on 1×A100/H100 (80GB), and OSS-20B on a 16GB GPU.
•  Sturdy chain-of-thought & software use help.
  

2. GLM-4.7

GLM-4.7  is a 355B-parameter open mannequin with task-oriented reasoning enhancements. It was designed not only for Q&A however for end-to-end agentic coding and problem-solving. GLM-4.7 introduces “think-before-acting” and multi-turn reasoning controls to stabilize complicated duties. For instance, it implements “Interleaved Reasoning”, that means it performs a chain-of-thought earlier than each software name or response. It additionally has “Retention-Primarily based” and “Spherical-Stage” reasoning modes to maintain or skip interior monologue as wanted. These options let it adaptively commerce latency for accuracy.

Efficiency‑smart,  GLM‑4.7 leads open-source fashions throughout reasoning, coding, and agent duties. On the Humanity’s Final Examination (HLE) benchmark with software use, it scores ~42.8 %, a major enchancment over GLM‑4.6 and aggressive with different high-performing open fashions. In coding, GLM‑4.7 achieves ~84.9 % on LiveCodeBench v6 and ~73.8 % on SWE-Bench Verified, surpassing earlier GLM releases.

The mannequin additionally demonstrates sturdy agent functionality on benchmarks resembling BrowseComp and τ²‑Bench, showcasing multi-step reasoning and gear integration. Collectively, these outcomes mirror GLM-4.7’s broad functionality throughout logic, coding, and agent workflows, in an open-weight mannequin launched below the MIT license.

Key Specs

• Structure: Sparse Combination-of-Specialists
• Complete parameters: ~355B (reported)
• Energetic parameters: ~32B per token (reported)
• Context size: As much as ~200K tokens
• Major use instances: Coding, math reasoning, agent workflows
• Availability: Open-weight; business use permitted (license varies by launch)

Strengths

• Sturdy efficiency in multi-step reasoning and coding
• Designed for agent-style execution loops
• Lengthy-context help for complicated duties
• Aggressive with main open reasoning fashions

Weaknesses

• Excessive inference price resulting from scale
• Superior reasoning will increase latency
• Restricted English-first documentation
  

3. Kimi K2 Pondering

Kimi K2 Pondering is a trillion-parameter Combination-of-Specialists mannequin designed particularly for deep reasoning and gear use. It options roughly 1 trillion complete parameters however prompts solely 32 billion per token throughout 384 specialists. The mannequin helps a local context window of 256K tokens, which extends to 1 million tokens utilizing Yarn. Kimi K2 was educated in INT4 precision, delivering as much as 2x sooner inference speeds.

The structure is totally agentic and all the time thinks first. In response to the mannequin card, Kimi K2-Pondering solely helps considering mode, the place the system immediate mechanically inserts a tag. Each output consists of inside reasoning content material by default.

Kimi K2 Pondering leads throughout the proven benchmarks, scoring 44.9% on Humanity’s Final Examination, 60.2% on BrowseComp, and 56.3% on Seal-0 for real-world data assortment. It additionally performs strongly in agentic coding and multilingual duties, attaining 61.1% on SWE-Multilingual, 71.3% on SWE-bench Verified, and 83.1% on LiveCodeBench V6.

Total, these outcomes present Kimi K2 Pondering outperforming GPT-5 and Claude Sonnet 4.5 throughout reasoning, agentic, and coding evaluations.

Key Specs

• Structure: Massive-scale MoE
• Complete parameters: ~1T (reported)
• Energetic parameters: ~32B per token
• Specialists: 384
• Context size: 256K (as much as ~1M with scaling)
• Major use instances: Deep reasoning, planning, long-context brokers
• Availability: Open-weight; business use permitted

Strengths

• Wonderful long-horizon reasoning
• Very massive context window
• Sturdy tool-use and planning functionality
• Environment friendly inference relative to complete dimension

Weaknesses: 

• Really huge scale (1T) means daunting coaching/inference overhead. 
• Nonetheless early (new launch), so real-world adoption/tooling is nascent.

4. MiniMax-M2.1

MiniMax-M2.1 is one other agentic LLM geared towards tool-interactive reasoning. It makes use of a 230B complete param design with solely 10B activated per token, implying a big MoE or related sparsity. 

The mannequin helps interleaved reasoning and motion, permitting it to motive, name instruments, and react to observations throughout prolonged agent loops. This makes it well-suited for duties involving lengthy sequences of actions, resembling net navigation, multi-file coding, or structured analysis duties.

MiniMax experiences sturdy inside outcomes on agent benchmarks resembling SWE-Bench, BrowseComp, and xBench. In observe, M2.1 is commonly paired with inference engines like vLLM to help perform calling and multi-turn agent execution.

Key Specs

• Structure: Sparse, agent-optimized LLM
• Complete parameters: ~230B (reported)
• Energetic parameters: ~10B per token
• Context size: Lengthy context (precise dimension not publicly specified)
• Major use instances: Instrument-based brokers, lengthy workflows
• Availability: Open-weight (license particulars restricted)

Strengths

• Goal-built for agent workflows
• Excessive reasoning effectivity per energetic parameter
• Sturdy long-horizon job dealing with

Weaknesses

• Restricted public benchmarks and documentation
• Smaller ecosystem than friends
• Requires optimized inference setup

5. DeepSeek-R1-Distill-Qwen3-8B

DeepSeek-R1-Distill-Qwen3-8B represents probably the most spectacular achievements in environment friendly reasoning fashions. Launched in Might 2025 as a part of the DeepSeek-R1-0528 replace, this 8-billion parameter mannequin demonstrates that superior reasoning capabilities might be efficiently distilled from large fashions into compact, accessible codecs with out important efficiency degradation.

The mannequin was created by distilling chain-of-thought reasoning patterns from the complete 671B parameter DeepSeek-R1-0528 mannequin and making use of them to fine-tune Alibaba’s Qwen3-8B base mannequin. This distillation course of used roughly 800,000 high-quality reasoning samples generated by the complete R1 mannequin, specializing in mathematical problem-solving, logical inference, and structured reasoning duties. The result’s a mannequin that achieves state-of-the-art efficiency amongst 8B-class fashions whereas requiring solely a single GPU to run.

Efficiency-wise, DeepSeek-R1-Distill-Qwen3-8B delivers outcomes that defy its compact dimension. It outperforms Google’s Gemini 2.5 Flash on AIME 2025 mathematical reasoning duties and practically matches Microsoft’s Phi 4 reasoning mannequin on HMMT benchmarks. Maybe most remarkably, this 8B mannequin matches the efficiency of Qwen3-235B-Pondering on sure reasoning duties—a 235B parameter mannequin. The R1-0528 replace considerably improved reasoning depth, with accuracy on AIME 2025 leaping from 70% to 87.5% in comparison with the unique R1 launch.

The mannequin runs effectively on a single GPU with 40-80GB VRAM (resembling an NVIDIA H100 or A100), making it accessible to particular person researchers, small groups, and organizations with out large compute infrastructure. It helps the identical superior options as the complete R1-0528 mannequin, together with system prompts, JSON output, and performance calling—capabilities that make it sensible for manufacturing functions requiring structured reasoning and gear integration.

Key Specs

• Mannequin sort: Distilled reasoning mannequin
• Base structure: Qwen3-8B (dense transformer)
• Complete parameters: 8B
• Coaching method: Distillation from DeepSeek-R1-0528 (671B) utilizing 800K reasoning samples
• {Hardware} necessities: Single GPU with 40-80GB VRAM
• License: MIT License (totally permissive for business use)
• Major use instances: Mathematical reasoning, logical inference, coding help, resource-constrained deployments

Strengths

• Distinctive performance-to-size ratio: matches 235B fashions on particular reasoning duties at 8B dimension
• Runs effectively on single consumer-grade GPU, dramatically decreasing deployment boundaries
• Outperforms a lot bigger fashions like Gemini 2.5 Flash on mathematical reasoning
• Absolutely open-source with permissive MIT licensing permits unrestricted business use
• Helps fashionable options: system prompts, JSON output, perform calling for manufacturing integration
• Demonstrates profitable distillation of superior reasoning from large fashions to compact codecs

Weaknesses

• Whereas spectacular for its dimension, nonetheless trails the complete 671B R1 mannequin on essentially the most complicated reasoning duties
• 8B parameter restrict constrains multilingual capabilities and broad area data
• Requires particular inference configurations (temperature 0.6 really useful) for optimum efficiency
• Nonetheless comparatively new (Might 2025 launch) with restricted manufacturing battle-testing in comparison with extra established fashions

6. DeepSeek-V3.2 Terminus

DeepSeek’s V3 collection (codename “Terminus”) builds on the R1 fashions and is designed for agentic AI workloads. It makes use of a Combination-of-Specialists transformer with ~671B complete parameters and ~37B energetic parameters per token.

DeepSeek-V3.2 introduces a Sparse Consideration structure for long-context scaling. It replaces full consideration with an indexer-selector mechanism, decreasing quadratic consideration price whereas sustaining accuracy near dense consideration.

As proven within the beneath determine, the eye layer combines Multi-Question Consideration, a Lightning Indexer, and a High-Ok Selector. The indexer identifies related tokens, and a spotlight is computed solely over the chosen subset, with RoPE utilized for positional encoding.

The mannequin is educated with large-scale reinforcement studying on duties resembling math, coding, logic, and gear use. These expertise are built-in right into a shared mannequin utilizing Group Relative Coverage Optimization.

                                  Fig- Consideration-architecture of deepseek-v3.2

DeepSeek experiences that V3.2 achieves reasoning efficiency akin to main proprietary fashions on public benchmarks. The V3.2-Speciale variant is additional optimized for deep multi-step reasoning.

DeepSeek-V3.2 is MIT-licensed, out there through manufacturing APIs, and outperforms V3.1 on blended reasoning and agent duties.

Key specs

• Structure: MoE transformer with DeepSeek Sparse Consideration
• Complete parameters: ~671B (MoE capability)
• Energetic parameters: ~37B per token
• Context size: Helps prolonged contexts as much as ~1M tokens with sparse consideration
• License: MIT (open-weight)
• Availability: Open weights + manufacturing API through DeepSeek.ai

Strengths

• State-of-the-art open reasoning: DeepSeek-V3.2 constantly ranks on the prime of open-source reasoning and agent duties.
• Environment friendly long-context inference: DeepSeek Sparse Consideration (DSA) reduces price progress on very lengthy sequences relative to straightforward dense consideration with out considerably hurting accuracy.
• Agent integration: Constructed-in help for considering modes and mixed software/chain-of-thought workflows makes it well-suited for autonomous programs.
  
• Open ecosystem: MIT license and API entry through net/app ecosystem encourage adoption and experimentation. 

Weaknesses

• Massive compute footprint: Regardless of sparse inference financial savings, the general mannequin dimension and coaching price stay important for self-hosting.
• Advanced tooling: Superior considering modes and full agent workflows require experience to combine successfully.
• New launch: As a comparatively current era, broader neighborhood benchmarks and tooling help proceed to mature.
  

7. Qwen3-Subsequent-80B-A3B

Qwen3-Subsequent is Alibaba’s next-gen open mannequin collection emphasizing each scale and effectivity. The 80B-A3B-Pondering variant is specifically designed for complicated reasoning: it combines hybrid consideration (linearized + sparse mechanisms) with a high-sparsity MoE. Its specs are hanging: 80B complete parameters, however solely ~3B energetic (512 specialists with 10 energetic). This yields very quick inference. Qwen3-Subsequent additionally makes use of multi-token prediction (MTP) throughout coaching for velocity.

Benchmarks present Qwen3-Subsequent-80B performing excellently on multi-hop duties. The mannequin card highlights that it outperforms earlier Qwen-30B and Qwen-32B considering fashions, and even outperforms the proprietary Gemini-2.5-Flash on a number of benchmarks. For instance, it will get ~87.8% on AIME25 (math) and ~73.9% on HMMT25, higher than Gemini-2.5-Flash’s 72.0% and 73.9% respectively. It additionally reveals sturdy efficiency on MMLU and coding exams.

Key specs: 80B complete, 3B energetic. 48 layers, hybrid format with 262K native context. Absolutely Apache-2.0 licensed.

Strengths: Wonderful reasoning & coding efficiency per compute (beats bigger fashions on many duties); large context; extraordinarily environment friendly (10× velocity up for >32K context vs older Qwens).

Weaknesses: As a MoE mannequin, it could require particular runtime help; “Pondering” mode provides complexity (all the time generates a block and requires particular prompting).

8. Qwen3-235B-A22B

Qwen3-235B-A22B represents Alibaba’s most superior open reasoning mannequin up to now. It makes use of an enormous Combination-of-Specialists structure with 235 billion complete parameters however prompts solely 22 billion per token, attaining an optimum steadiness between functionality and effectivity. The mannequin employs the identical hybrid consideration mechanism as Qwen3-Subsequent-80B (combining linearized and sparse consideration) however scales it to deal with much more complicated reasoning chains.

The “A22B” designation refers to its 22B energetic parameters throughout a extremely sparse skilled system. This design permits the mannequin to keep up reasoning high quality akin to a lot bigger dense fashions whereas conserving inference prices manageable. Qwen3-235B-A22B helps dual-mode operation: it may possibly run in customary mode for fast responses or swap to “considering mode” with express chain-of-thought reasoning for complicated duties.

Efficiency-wise, Qwen3-235B-A22B excels throughout mathematical reasoning, coding, and multi-step logical duties. On AIME 2025, it achieves roughly 89.2%, outperforming many proprietary fashions. It scores 76.8% on HMMT25 and maintains sturdy efficiency on MMLU-Professional (78.4%) and coding benchmarks like HumanEval (91.5%). The mannequin’s long-context functionality extends to 262K tokens natively, with optimized dealing with for prolonged reasoning chains.

The structure incorporates multi-token prediction throughout coaching, which improves each coaching effectivity and the mannequin’s means to anticipate reasoning paths. This makes it notably efficient for duties requiring ahead planning, resembling complicated mathematical proofs or multi-file code refactoring.

Key Specs

• Structure: Hybrid MoE with dual-mode (customary/considering) operation
• Complete parameters: ~235B
• Energetic parameters: ~22B per token
• Context size: 262K tokens native
• License: Apache-2.0
• Major use instances: Superior mathematical reasoning, complicated coding duties, multi-step downside fixing, long-context evaluation

Strengths

• Distinctive mathematical and logical reasoning efficiency, surpassing many bigger fashions
• Twin-mode operation permits flexibility between velocity and reasoning depth
• Extremely environment friendly inference relative to reasoning functionality (22B energetic vs. 235B complete)
• Native long-context help with out requiring extensions or particular configurations
• Complete Apache-2.0 licensing permits business deployment

Weaknesses

• Requires MoE-aware inference runtime (vLLM, DeepSpeed, or related)
• Pondering mode provides latency and token overhead for easy queries
• Much less mature ecosystem in comparison with LLaMA or GPT variants
• Documentation primarily in Chinese language, with English supplies nonetheless growing

9. MiMo-V2-Flash

MiMo-V2-Flash represents an aggressive push towards ultra-efficient reasoning by means of a 309 billion parameter Combination-of-Specialists structure that prompts solely 15 billion parameters per token. This 20:1 sparsity ratio is among the many highest in manufacturing reasoning fashions, enabling inference speeds of roughly 150 tokens per second whereas sustaining aggressive efficiency on mathematical and coding benchmarks.

The mannequin makes use of a sparse gating mechanism that dynamically routes tokens to specialised skilled networks. This structure permits MiMo-V2-Flash to realize outstanding price effectivity, working at simply 2.5% of Claude’s inference price whereas delivering comparable efficiency on particular reasoning duties. The mannequin was educated with a deal with mathematical reasoning, coding, and structured problem-solving.

MiMo-V2-Flash delivers spectacular benchmark outcomes, attaining 94.1% on AIME 2025, putting it among the many prime performers for mathematical reasoning. In coding duties, it scores 73.4% on SWE-Bench Verified and demonstrates sturdy efficiency on customary programming benchmarks. The mannequin helps a 128K token context window and is launched below an open license allowing business use.

Nonetheless, real-world efficiency reveals some limitations. Group testing signifies that whereas MiMo-V2-Flash excels on mathematical and coding benchmarks, it may possibly wrestle with instruction following and general-purpose duties outdoors its core coaching distribution. The mannequin performs finest when duties carefully match mathematical competitions or coding challenges however reveals inconsistent high quality on open-ended reasoning duties.

Key Specs

• Structure: Extremely-sparse MoE (309B complete, 15B energetic)
• Complete parameters: ~309B
• Energetic parameters: ~15B per token (20:1 sparsity)
• Context size: 128K tokens
• License: Open-weight, business use permitted
• Inference velocity: ~150 tokens/second
• Major use instances: Mathematical competitions, coding challenges, cost-sensitive deployments

Strengths

• Distinctive effectivity with 15B energetic parameters delivering sturdy math and coding efficiency
• Excellent price profile at 2.5% of Claude’s inference price
• Quick inference at 150 t/s permits real-time functions
• Sturdy mathematical reasoning with 94.1% AIME 2025 rating
• Latest launch represents cutting-edge MoE effectivity strategies

Weaknesses

• Instruction-following might be inconsistent on general-purpose duties
• Efficiency is strongest inside math and coding domains, much less dependable on numerous workloads
• Restricted ecosystem maturity with sparse neighborhood tooling and documentation
• Greatest fitted to slender, well-defined use instances relatively than basic reasoning brokers

10. Ministral 14B Reasoning

Mistral AI’s Ministral 14B Reasoning represents a breakthrough in compact reasoning fashions. With solely 14 billion parameters, it achieves reasoning efficiency that rivals fashions 5-10× its dimension, making it essentially the most environment friendly mannequin on this top-10 record. Ministral 14B is a part of the broader Mistral 3 household and inherits architectural improvements from Mistral Massive 3 whereas optimizing for deployment in resource-constrained environments.

The mannequin employs a dense transformer structure with specialised reasoning coaching. Not like bigger MoE fashions, Ministral achieves its effectivity by means of cautious dataset curation and reinforcement studying centered particularly on mathematical and logical reasoning duties. This focused method permits it to punch properly above its weight class on reasoning benchmarks.

Remarkably, Ministral 14B achieves roughly 85% accuracy on AIME 2025, a number one outcome for any mannequin below 30B parameters and aggressive with fashions a number of occasions bigger. It additionally scores 68.2% on GPQA Diamond and 82.7% on MATH-500, demonstrating broad reasoning functionality throughout completely different downside varieties. On coding benchmarks, it achieves 78.5% on HumanEval, making it appropriate for AI-assisted improvement workflows.

The mannequin’s small dimension permits deployment situations not possible for bigger fashions. It might run successfully on a single client GPU (RTX 4090, A6000) with 24GB VRAM, and even on high-end laptops with quantization. Inference speeds attain 40-60 tokens per second on client {hardware}, making it sensible for real-time interactive functions. This accessibility opens reasoning-first AI to a much wider vary of builders and use instances.

Key Specs

• Structure: Dense transformer with reasoning-optimized coaching
• Complete parameters: ~14B
• Energetic parameters: ~14B (dense)
• Context size: 128K tokens
• License: Apache-2.0
• Major use instances: Edge reasoning, native improvement, resource-constrained environments, real-time interactive AI

Strengths

• Distinctive reasoning efficiency relative to mannequin dimension (~85% AIME 2025 at 14B)
• Runs on client {hardware} (single RTX 4090 or related) with sturdy efficiency
• Quick inference speeds (40-60 t/s) allow real-time interactive functions
• Decrease operational prices make reasoning AI accessible to smaller groups and particular person builders
• Apache-2.0 license with minimal deployment boundaries

Weaknesses

• Decrease absolute ceiling than 100B+ fashions on essentially the most tough reasoning duties
• Restricted context window (128K) in comparison with million-token fashions
• Dense structure means no parameter effectivity features from sparsity
• Might wrestle with extraordinarily lengthy reasoning chains that require sustained computation
• Smaller mannequin capability limits multilingual and multimodal capabilities

Mannequin Comparability Abstract

Conclusion

Open-source reasoning fashions have superior rapidly, however operating them effectively stays an actual problem. Agentic and reasoning workloads are basically token-intensive. They contain lengthy contexts, multi-step planning, repeated software calls, and iterative execution. Because of this, they burn by means of tokens quickly and change into costly and sluggish when run on customary inference setups.

The Clarifai Reasoning Engine is constructed particularly to deal with this downside. It’s optimized for agentic and reasoning workloads, utilizing optimized kernels and adaptive strategies that enhance throughput and latency over time with out compromising accuracy. Mixed with Compute Orchestration, Clarifai dynamically manages how these workloads run throughout GPUs, enabling excessive throughput, low latency, and predictable prices whilst reasoning depth will increase.

These optimizations are mirrored in actual benchmarks. In evaluations revealed by Synthetic Evaluation on GPT-OSS-120B, Clarifai achieved industry-leading outcomes, exceeding 500 tokens per second with a time to first token of round 0.3 seconds. The outcomes spotlight how execution and orchestration decisions straight impression the viability of huge reasoning fashions in manufacturing.

In parallel, the platform continues so as to add and replace help for prime open-source reasoning fashions within the neighborhood. You can strive these fashions straight within the Playground or entry them by means of the API and combine them into their very own functions. The identical infrastructure additionally helps deploying customized or self-hosted fashions, making it simple to guage, examine, and run reasoning workloads below constant situations.

As reasoning fashions proceed to evolve in 2026, the power to run them effectively and affordably would be the actual differentiator.