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LLaMA 3.1 vs Mistral Medium 3.5

Meta LLaMA 3.1 vs Mistral Mistral Medium 3.5 — side-by-side specs.

Meta
LLaMA 3.1
Mistral
Mistral Medium 3.5
Overview
CompanyMetaMistral
Release dateJul 23 2024Apr 30 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 3.1 shipped 646 days before Mistral Medium 3.5

Which is better: LLaMA 3.1 or Mistral Medium 3.5?

LLaMA 3.1 and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 3.1 shipped 646 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

LLaMA 3.1 is an open-source / open-weight model; Mistral Medium 3.5 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 LLaMA 3.1 released?
LLaMA 3.1 was released by Meta on Jul 23 2024.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.
Is LLaMA 3.1 or Mistral Medium 3.5 open source?
LLaMA 3.1 is an open-source / open-weight model released by Meta. Mistral Medium 3.5 is a proprietary model released by Mistral.

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