Model Comparison

Kimi-k1.5 vs Pixtral LargeWhich is better in 2026?

Kimi-k1.5 significantly outperforms across most benchmarks.

Verdict: Kimi-k1.5 vs Pixtral Large — which is better?

Kimi-k1.5 (by Moonshot AI) and Pixtral Large (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Kimi-k1.5 outperforms in 2 benchmarks (MathVista, MMMU), while Pixtral Large is better at 0 benchmarks. Kimi-k1.5 significantly outperforms across most benchmarks.

Choose Kimi-k1.5 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jan 2025

Choose Pixtral Large if…

  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Kimi-k1.5 outperforms in 2 benchmarks (MathVista, MMMU), while Pixtral Large is better at 0 benchmarks.

Kimi-k1.5 significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Pixtral Large specifies input context (128,000 tokens). Only Pixtral Large specifies output context (128,000 tokens).

Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Mistral AI
Pixtral Large
Input128,000 tokens
Output128,000 tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Kimi-k1.5 and Pixtral Large support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Kimi-k1.5

Text
Images
Audio
Video

Pixtral Large

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi-k1.5 is licensed under a proprietary license, while Pixtral Large uses Mistral Research License (MRL) for research; Mistral Commercial License for commercial use.

License differences may affect how you can use these models in commercial or open-source projects.

Kimi-k1.5

Proprietary

Closed source

Pixtral Large

Mistral Research License (MRL) for research; Mistral Commercial License for commercial use

Open weights

Release Timeline

When each model was launched

Kimi-k1.5 was released on 2025-01-20, while Pixtral Large was released on 2024-11-18.

Kimi-k1.5 is 2 months newer than Pixtral Large.

Kimi-k1.5

Jan 20, 2025

1.4 years ago

2mo newer
Pixtral Large

Nov 18, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Moonshot AI
Higher MathVista score (74.9% vs 69.4%)
Higher MMMU score (70.0% vs 64.0%)
Mistral AI
Larger context window (128,000 tokens)
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Moonshot AI
Kimi-k1.5
Mistral AI
Pixtral Large

FAQ

Common questions about Kimi-k1.5 vs Pixtral Large.

Which is better, Kimi-k1.5 or Pixtral Large?

Kimi-k1.5 significantly outperforms across most benchmarks. Kimi-k1.5 is made by Moonshot AI and Pixtral Large is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Kimi-k1.5 compare to Pixtral Large in benchmarks?

Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%. Pixtral Large scores AI2D: 93.8%, DocVQA: 93.3%, ChartQA: 88.1%, VQAv2: 80.9%, MM-MT-Bench: 74.0%.

What are the context window sizes for Kimi-k1.5 and Pixtral Large?

Kimi-k1.5 supports an unknown number of tokens and Pixtral Large supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi-k1.5 and Pixtral Large?

Key differences include licensing (Proprietary vs Mistral Research License (MRL) for research; Mistral Commercial License for commercial use). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi-k1.5 and Pixtral Large?

Kimi-k1.5 is developed by Moonshot AI and Pixtral Large is developed by Mistral AI.

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