Model Comparison

Claude Opus 4 vs Mistral Small 3.1 24B Base

Claude Opus 4 significantly outperforms across most benchmarks. Mistral Small 3.1 24B Base is 200.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4 outperforms in 1 benchmarks (GPQA), while Mistral Small 3.1 24B Base is better at 0 benchmarks.

Claude Opus 4 significantly outperforms across most benchmarks.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Mistral Small 3.1 24B Base costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 150.0x more expensive than Mistral Small 3.1 24B Base ($0.10/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 250.0x more expensive than Mistral Small 3.1 24B Base ($0.30/1M tokens).

In conclusion, Claude Opus 4 is more expensive than Mistral Small 3.1 24B Base.*

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
Anthropic
Claude Opus 4
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Mistral AI
Mistral Small 3.1 24B Base
Input tokens$0.10
Output tokens$0.30
Best providerMistral
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4 accepts 200,000 input tokens compared to Mistral Small 3.1 24B Base's 128,000 tokens. Mistral Small 3.1 24B Base can generate longer responses up to 128,000 tokens, while Claude Opus 4 is limited to 32,000 tokens.

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
Mistral AI
Mistral Small 3.1 24B Base
Input128,000 tokens
Output128,000 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4 and Mistral Small 3.1 24B Base support multimodal inputs.

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

Claude Opus 4

Text
Images
Audio
Video

Mistral Small 3.1 24B Base

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4 is licensed under a proprietary license, while Mistral Small 3.1 24B Base uses Apache 2.0.

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

Claude Opus 4

Proprietary

Closed source

Mistral Small 3.1 24B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while Mistral Small 3.1 24B Base was released on 2025-03-17.

Claude Opus 4 is 2 months newer than Mistral Small 3.1 24B Base.

Claude Opus 4

May 22, 2025

11 months ago

2mo newer
Mistral Small 3.1 24B Base

Mar 17, 2025

1.1 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

Provider Availability

Claude Opus 4 is available from Anthropic, Bedrock, Google. Mistral Small 3.1 24B Base is available from Mistral AI.

Claude Opus 4

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 3.1 24B Base

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (79.6% vs 37.5%)
Mistral AI
Less expensive input tokens
Less expensive output tokens
Has open weights
AnthropicClaude Opus 4
Mistral AIMistral Small 3.1 24B Base
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4
Mistral AI
Mistral Small 3.1 24B Base

FAQ

Common questions about Claude Opus 4 vs Mistral Small 3.1 24B Base

Claude Opus 4 significantly outperforms across most benchmarks. Claude Opus 4 is made by Anthropic and Mistral Small 3.1 24B Base is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. Mistral Small 3.1 24B Base scores MMLU: 81.0%, TriviaQA: 80.5%, MMMU: 59.3%, MMLU-Pro: 56.0%, GPQA: 37.5%.
Mistral Small 3.1 24B Base is 150.0x cheaper for input tokens. Claude Opus 4 costs $15.00/M input and $75.00/M output via anthropic. Mistral Small 3.1 24B Base costs $0.10/M input and $0.30/M output via mistral.
Claude Opus 4 supports 200K tokens and Mistral Small 3.1 24B Base supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 128K), input pricing ($15.00 vs $0.10/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Claude Opus 4 is developed by Anthropic and Mistral Small 3.1 24B Base is developed by Mistral AI.