Model Comparison
Claude 3.5 Haiku vs Mistral Small 3.1 24B InstructWhich is better in 2026?
Mistral Small 3.1 24B Instruct shows notably better performance in the majority of benchmarks.
Verdict: Claude 3.5 Haiku vs Mistral Small 3.1 24B Instruct — which is better?
Claude 3.5 Haiku (by Anthropic) and Mistral Small 3.1 24B Instruct (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 3.5 Haiku outperforms in 1 benchmarks (MATH), while Mistral Small 3.1 24B Instruct is better at 3 benchmarks (GPQA, HumanEval, MMLU-Pro). Mistral Small 3.1 24B Instruct shows notably better performance in the majority of benchmarks.
Choose Claude 3.5 Haiku if…
- you want predictable pricing at $0.80/M input and $4.00/M output
Choose Mistral Small 3.1 24B Instruct if…
- you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
- you want the most recent training data — it shipped Mar 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3.5 Haiku outperforms in 1 benchmarks (MATH), while Mistral Small 3.1 24B Instruct is better at 3 benchmarks (GPQA, HumanEval, MMLU-Pro).
Mistral Small 3.1 24B Instruct shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Claude 3.5 Haiku specifies input context (200,000 tokens). Only Claude 3.5 Haiku specifies output context (200,000 tokens).
Input Capabilities
Supported data types and modalities
Mistral Small 3.1 24B Instruct supports multimodal inputs, whereas Claude 3.5 Haiku does not.
Mistral Small 3.1 24B Instruct can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.5 Haiku
Mistral Small 3.1 24B Instruct
License
Usage and distribution terms
Claude 3.5 Haiku is licensed under a proprietary license, while Mistral Small 3.1 24B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude 3.5 Haiku was released on 2024-10-22, while Mistral Small 3.1 24B Instruct was released on 2025-03-17.
Mistral Small 3.1 24B Instruct is 5 months newer than Claude 3.5 Haiku.
Oct 22, 2024
1.6 years ago
Mar 17, 2025
1.2 years ago
4mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Key Takeaways
Claude 3.5 Haiku
View detailsAnthropic
Detailed Comparison
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FAQ
Common questions about Claude 3.5 Haiku vs Mistral Small 3.1 24B Instruct.