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Claude 3.5 Sonnet vs Magistral Small 2506

Claude 3.5 Sonnet and Magistral Small 2506 are closely matched at 15.9 and 10.7 on the LLM Stats Score.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude 3.5 Sonnet and Magistral Small 2506 are closely matched on the overall LLM Stats Score at 15.9 and 10.7.

In the 1 individual benchmarks reported for both models, Magistral Small 2506 wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3.5 Sonnet

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Magistral Small 2506

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Jun 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3.5 Sonnet
Anthropic
Magistral Small 2506
Mistral AI
Core performance indexes
LLM Stats Score
15.9
#230
10.7
#264
Reasoning
16.0
#221
10.9
#262
Coding
13.0
#142
5.2
#204
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3.5 Sonnet
Magistral Small 2506
Math
22.7#133
8.5#259
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude 3.5 Sonnet · 4 for Magistral Small 2506

1 shared

Claude 3.5 Sonnet outperforms in 0 benchmarks, while Magistral Small 2506 is better at 1 benchmark (GPQA).

Magistral Small 2506 significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude 3.5 Sonnet specifies input context (200,000 tokens). Only Claude 3.5 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Mistral AI
Magistral Small 2506
Input- tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3.5 Sonnet supports multimodal inputs, whereas Magistral Small 2506 does not.

Claude 3.5 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 Sonnet

Text
Images
Audio
Video

Magistral Small 2506

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3.5 Sonnet is licensed under a proprietary license, while Magistral Small 2506 uses Apache 2.0.

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

Claude 3.5 Sonnet

Proprietary

Closed source

Magistral Small 2506

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-06-21, while Magistral Small 2506 was released on 2025-06-10.

Magistral Small 2506 is 12 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Jun 21, 2024

2.3 years ago

Magistral Small 2506

Jun 10, 2025

1.3 years ago

11mo newer

Knowledge Cutoff

When training data ends

Magistral Small 2506 has a documented knowledge cutoff of 2025-06-01, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm Magistral Small 2506's training data extends to 2025-06-01, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

Magistral Small 2506

Jun 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3.5 Sonnet and Magistral Small 2506 side-by-side, then vote on the output you prefer.

Claude 3.5 Sonnet
✓ Preferred
Magistral Small 2506
Open in Playground

FAQ

Common questions about Claude 3.5 Sonnet vs Magistral Small 2506.

Which is better, Claude 3.5 Sonnet or Magistral Small 2506?

Claude 3.5 Sonnet and Magistral Small 2506 are closely matched on the LLM Stats Score at 15.9 and 10.7. Claude 3.5 Sonnet is made by Anthropic and Magistral Small 2506 is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3.5 Sonnet compare to Magistral Small 2506 in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, BIG-Bench Hard: 93.1%, HumanEval: 92.0%, MGSM: 91.6%, MMLU: 90.4%. Magistral Small 2506 scores AIME 2024: 70.7%, GPQA: 68.2%, AIME 2025: 62.8%, LiveCodeBench: 51.3%.

What are the context window sizes for Claude 3.5 Sonnet and Magistral Small 2506?

Claude 3.5 Sonnet supports 200K tokens and Magistral Small 2506 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 3.5 Sonnet and Magistral Small 2506?

Key differences include LLM Stats Score (15.9 vs 10.7), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and Magistral Small 2506?

Claude 3.5 Sonnet is developed by Anthropic and Magistral Small 2506 is developed by Mistral AI.

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