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Claude Instant 1.2 vs Mistral Large 3

Anthropic Claude Instant 1.2 vs Mistral Mistral Large 3 — side-by-side specs.

Anthropic
Claude Instant 1.2
Mistral
Mistral Large 3
Overview
CompanyAnthropicMistral
Release dateAug 9 2023Dec 2 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapClaude Instant 1.2 shipped 846 days before Mistral Large 3

Which is better: Claude Instant 1.2 or Mistral Large 3?

Claude Instant 1.2 and Mistral Large 3 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Claude Instant 1.2 shipped 846 days before Mistral Large 3, so benchmark comparisons should account for the intervening progress.

Mistral Large 3 is an open-source / open-weight model; Claude Instant 1.2 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 Instant 1.2 released?
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
When was Mistral Large 3 released?
Mistral Large 3 was released by Mistral on Dec 2 2025.
Is Claude Instant 1.2 or Mistral Large 3 open source?
Mistral Large 3 is an open-source / open-weight model released by Mistral. Claude Instant 1.2 is a proprietary model released by Anthropic.

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