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

Magistral Medium vs Kimi K2 (0905)

Mistral
Magistral Medium
Moonshot AI
Kimi K2 (0905)
Overview
CompanyMistralMoonshot AI
Release dateJun 10 2025Sep 5 2025
AccessProprietaryOpen Weight
Specifications
Parameters
1T
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
65.8%
Science
GPQA Diamond
75.1%
Timeline
Release gapMagistral Medium shipped 87 days before Kimi K2 (0905)

Which is better: Magistral Medium or Kimi K2 (0905)?

Magistral Medium and Kimi K2 (0905) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Magistral Medium shipped 87 days before Kimi K2 (0905), so benchmark comparisons should account for the intervening progress.

Magistral Medium is proprietary, while Kimi K2 (0905) is open weight.

Direct benchmark comparisons are unavailable — Magistral Medium and Kimi K2 (0905) don't publish scores on any of the same benchmarks.

Frequently asked questions

Magistral Medium was released by Mistral on Jun 10 2025.

Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.

Magistral Medium is a proprietary model released by Mistral. Kimi K2 (0905) is an open weight model released by Moonshot AI.

Other comparisons