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Claude 3 Opus vs Mistral Small 3 24B Base

Claude 3 Opus leads the LLM Stats Score 10.0 to -0.3.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude 3 Opus leads the overall LLM Stats Score 10.0 to -0.3, ranking #256 overall.

In the 6 individual benchmarks reported for both models, Claude 3 Opus wins 6; 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 Opus

  • overall performance matters — it scores 10.0 and ranks #256 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 6 exact shared results

Choose Mistral Small 3 24B Base

  • you want the most recent training data — it shipped Jan 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3 Opus
Anthropic
Mistral Small 3 24B Base
Mistral AI
Core performance indexes
LLM Stats Score
10.0
#256
-0.3
#317
Reasoning
9.9
#249
-0.4
#309
Cost, coverage & limits
Benchmark wins
6 of 6
0 of 6
Input price
$15.00 / M
— / M
Output price
$75.00 / M
— / M
Context window
200,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude 3 Opus
Mistral Small 3 24B Base
Math
16.4#199
4.6#276
Finance
14.5#123
5.2#165
Legal
14.5#108
8.3#134
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Opus · 9 for Mistral Small 3 24B Base

6 shared

Claude 3 Opus outperforms in 6 benchmarks (ARC-C, GPQA, GSM8k, MATH, MMLU, MMLU-Pro), while Mistral Small 3 24B Base is better at 0 benchmarks.

Claude 3 Opus significantly outperforms across most benchmarks.

Sat Sep 05 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 Opus specifies input context (200,000 tokens). Only Claude 3 Opus specifies output context (200,000 tokens).

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Mistral AI
Mistral Small 3 24B Base
Input- tokens
Output- tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Opus and Mistral Small 3 24B Base support multimodal inputs.

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

Claude 3 Opus

Text
Images
Audio
Video

Mistral Small 3 24B Base

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus is licensed under a proprietary license, while Mistral Small 3 24B Base uses Apache 2.0.

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

Claude 3 Opus

Proprietary

Closed source

Mistral Small 3 24B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Mistral Small 3 24B Base was released on 2025-01-30.

Mistral Small 3 24B Base is 11 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.5 years ago

Mistral Small 3 24B Base

Jan 30, 2025

1.6 years ago

11mo newer

Knowledge Cutoff

When training data ends

Mistral Small 3 24B Base has a documented knowledge cutoff of 2023-10-01, while Claude 3 Opus's cutoff date is not specified.

We can confirm Mistral Small 3 24B Base's training data extends to 2023-10-01, but cannot make a direct comparison without Claude 3 Opus's cutoff date.

Claude 3 Opus

—

Mistral Small 3 24B Base

Oct 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3 Opus and Mistral Small 3 24B Base side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Mistral Small 3 24B Base
Open in Playground

FAQ

Common questions about Claude 3 Opus vs Mistral Small 3 24B Base.

Which is better, Claude 3 Opus or Mistral Small 3 24B Base?

Claude 3 Opus leads the LLM Stats Score 10.0 to -0.3. Claude 3 Opus is made by Anthropic and Mistral Small 3 24B Base 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 Opus compare to Mistral Small 3 24B Base in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Mistral Small 3 24B Base scores ARC-C: 91.3%, GSM8k: 80.7%, MMLU: 80.7%, TriviaQA: 80.3%, MBPP: 69.6%.

What are the context window sizes for Claude 3 Opus and Mistral Small 3 24B Base?

Claude 3 Opus supports 200K tokens and Mistral Small 3 24B Base 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 Opus and Mistral Small 3 24B Base?

Key differences include LLM Stats Score (10.0 vs -0.3), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Mistral Small 3 24B Base?

Claude 3 Opus is developed by Anthropic and Mistral Small 3 24B Base is developed by Mistral AI.

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