Model Comparison

Claude Sonnet 4.6 vs Mistral Large 3 (675B Instruct 2512 Eagle)Which is better in 2026?

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Verdict: Claude Sonnet 4.6 vs Mistral Large 3 (675B Instruct 2512 Eagle) — which is better?

Claude Sonnet 4.6 (by Anthropic) and Mistral Large 3 (675B Instruct 2512 Eagle) (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.

Claude Sonnet 4.6 outperforms in 2 benchmarks (GPQA, MMMLU), while Mistral Large 3 (675B Instruct 2512 Eagle) is better at 0 benchmarks. Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Choose Claude Sonnet 4.6 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Feb 2026

Choose Mistral Large 3 (675B Instruct 2512 Eagle) if…

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

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Sonnet 4.6 outperforms in 2 benchmarks (GPQA, MMMLU), while Mistral Large 3 (675B Instruct 2512 Eagle) is better at 0 benchmarks.

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Mon Jul 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Sonnet 4.6 specifies input context (200,000 tokens). Only Claude Sonnet 4.6 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
Mistral AI
Mistral Large 3 (675B Instruct 2512 Eagle)
Input- tokens
Output- tokens
Mon Jul 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and Mistral Large 3 (675B Instruct 2512 Eagle) support multimodal inputs.

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

Claude Sonnet 4.6

Text
Images
Audio
Video

Mistral Large 3 (675B Instruct 2512 Eagle)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.6 is licensed under a proprietary license, while Mistral Large 3 (675B Instruct 2512 Eagle) uses Apache 2.0.

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

Claude Sonnet 4.6

Proprietary

Closed source

Mistral Large 3 (675B Instruct 2512 Eagle)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while Mistral Large 3 (675B Instruct 2512 Eagle) was released on 2025-12-04.

Claude Sonnet 4.6 is 3 months newer than Mistral Large 3 (675B Instruct 2512 Eagle).

Claude Sonnet 4.6

Feb 17, 2026

5 months ago

2mo newer
Mistral Large 3 (675B Instruct 2512 Eagle)

Dec 4, 2025

7 months 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

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (89.9% vs 43.9%)
Higher MMMLU score (89.3% vs 85.5%)
Mistral AI
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Sonnet 4.6 and Mistral Large 3 (675B Instruct 2512 Eagle) side-by-side, then vote on the output you prefer.

Claude Sonnet 4.6
✓ Preferred
Mistral Large 3 (675B Instruct 2512 Eagle)
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.6
Mistral AI
Mistral Large 3 (675B Instruct 2512 Eagle)

FAQ

Common questions about Claude Sonnet 4.6 vs Mistral Large 3 (675B Instruct 2512 Eagle).

Which is better, Claude Sonnet 4.6 or Mistral Large 3 (675B Instruct 2512 Eagle)?

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Claude Sonnet 4.6 is made by Anthropic and Mistral Large 3 (675B Instruct 2512 Eagle) is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Sonnet 4.6 compare to Mistral Large 3 (675B Instruct 2512 Eagle) in benchmarks?

Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%. Mistral Large 3 (675B Instruct 2512 Eagle) scores MMMLU: 85.5%, AMC_2022_23: 52.0%, GPQA: 43.9%, LiveCodeBench: 34.4%, SimpleQA: 23.8%.

What are the context window sizes for Claude Sonnet 4.6 and Mistral Large 3 (675B Instruct 2512 Eagle)?

Claude Sonnet 4.6 supports 200K tokens and Mistral Large 3 (675B Instruct 2512 Eagle) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 4.6 and Mistral Large 3 (675B Instruct 2512 Eagle)?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.6 and Mistral Large 3 (675B Instruct 2512 Eagle)?

Claude Sonnet 4.6 is developed by Anthropic and Mistral Large 3 (675B Instruct 2512 Eagle) is developed by Mistral AI.

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