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Claude Haiku 4.5 vs Mistral 7B

2 vs 0 benchmarks won

Anthropic
Claude Haiku 4.5
Mistral
Mistral 7B
Overview
CompanyAnthropicMistral
Release dateOct 15 2025Sep 27 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
73%
Software engineering
SWE-Bench Verified
73.3%
Multimodal understanding
MMMU
Timeline
Release gapMistral 7B shipped 749 days before Claude Haiku 4.5

Which is better: Claude Haiku 4.5 or Mistral 7B?

Claude Haiku 4.5 leads Mistral 7B on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mistral 7B shipped 749 days before Claude Haiku 4.5, so benchmark comparisons should account for the intervening progress.

Mistral 7B is an open-source / open-weight model; Claude Haiku 4.5 is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude Haiku 4.5 released?
Claude Haiku 4.5 was released by Anthropic on Oct 15 2025.
When was Mistral 7B released?
Mistral 7B was released by Mistral on Sep 27 2023.
Is Claude Haiku 4.5 or Mistral 7B open source?
Mistral 7B is an open-source / open-weight model released by Mistral. Claude Haiku 4.5 is a proprietary model released by Anthropic.

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