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Claude 3 Opus vs Mistral Small

Comparing Claude 3 Opus and Mistral Small across benchmarks, pricing, and capabilities.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude 3 Opus and Mistral Small trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Mistral Small is roughly 100.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3 Opus also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude 3 Opus

  • you process long inputs — it offers a 200,000 token context window

Choose Mistral Small

  • cost matters — it's about 100.0x cheaper per token
  • you want the most recent training data — it shipped Sep 2024
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Benchmark wins
Input price
$15.00 / M
$0.20 / M
Output price
$75.00 / M
$0.60 / M
Context window
200,000
32,768

Individual benchmarks

11 reported for Claude 3 Opus · 0 for Mistral Small

No common benchmarks found

Claude 3 Opus and Mistral Smalldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Small costs less

For input processing, Claude 3 Opus ($15.00/1M tokens) is 75.0x more expensive than Mistral Small ($0.20/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 125.0x more expensive than Mistral Small ($0.60/1M tokens).

In conclusion, Claude 3 Opus is more expensive than Mistral Small.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Mistral AI
Mistral Small
Input tokens$0.20
Output tokens$0.60
Best providerMistral
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Claude 3 Opus accepts 200,000 input tokens compared to Mistral Small's 32,768 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while Mistral Small is limited to 32,768 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Mistral AI
Mistral Small
Input32,768 tokens
Output32,768 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3 Opus supports multimodal inputs, whereas Mistral Small does not.

Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Opus

Text
Images
Audio
Video

Mistral Small

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Opus is licensed under a proprietary license, while Mistral Small uses Mistral Research License.

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

Claude 3 Opus

Proprietary

Closed source

Mistral Small

Mistral Research License

Open weights

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Mistral Small was released on 2024-09-17.

Mistral Small is 7 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.5 years ago

Mistral Small

Sep 17, 2024

1.9 years ago

6mo newer

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

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. Mistral Small is available from Mistral AI.

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Mistral Small

mistral logo
Mistral
Input Price:Input: $0.20/1MOutput Price:Output: $0.60/1M
* Prices shown are per million tokens

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 side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Mistral Small
Open in Playground

FAQ

Common questions about Claude 3 Opus vs Mistral Small.

Which is better, Claude 3 Opus or Mistral Small?

Claude 3 Opus (Anthropic) and Mistral Small (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude 3 Opus compare to Mistral Small in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%.

Is Claude 3 Opus cheaper than Mistral Small?

Mistral Small is 75.0x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. Mistral Small costs $0.20/M input and $0.60/M output via mistral.

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

Claude 3 Opus supports 200K tokens and Mistral Small supports 33K 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?

Key differences include context window (200K vs 33K), input pricing ($15.00 vs $0.20/M), multimodal support (yes vs no), licensing (Proprietary vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Mistral Small?

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