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

Mistral Medium 3.5 vs Grok‑1

Mistral
Mistral Medium 3.5
SpaceXAI
Grok‑1
Overview
CompanyMistralSpaceXAI
Release dateApr 29 2026Nov 3 2023
AccessOpen WeightOpen Weight
Specifications
Parameters
128B
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
77.6%
Timeline
Release gapGrok‑1 shipped 908 days before Mistral Medium 3.5

Which is better: Mistral Medium 3.5 or Grok‑1?

Mistral Medium 3.5 and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 908 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 — Mistral Medium 3.5 and Grok‑1 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Medium 3.5 was released by Mistral on Apr 29 2026.

Grok‑1 was released by SpaceXAI on Nov 3 2023.

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