AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

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LLaMA 3.1 vs Mistral Medium 3.5

0 vs 1 benchmarks won

Meta
LLaMA 3.1
Mistral
Mistral Medium 3.5
Overview
CompanyMetaMistral
Release dateJul 23 2024Apr 29 2026
Model type
Open sourceYesYes
Specifications
Parameters
128B
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
77.6%
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 3.1 shipped 645 days before Mistral Medium 3.5

Which is better: LLaMA 3.1 or Mistral Medium 3.5?

Mistral Medium 3.5 leads LLaMA 3.1 on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). LLaMA 3.1 shipped 645 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 29 2026.

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