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

Composer 2.5 vs Mixtral 8×7B

Cursor
Composer 2.5
Mistral
Mixtral 8×7B
Overview
CompanyCursorMistral
Release dateMay 18 2026Dec 9 2023
AccessProprietaryOpen Weight
Benchmarks
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapMixtral 8×7B shipped 891 days before Composer 2.5

Which is better: Composer 2.5 or Mixtral 8×7B?

Composer 2.5 and Mixtral 8×7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 891 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Composer 2.5 is proprietary, while Mixtral 8×7B is open weight.

Direct benchmark comparisons are unavailable — Composer 2.5 and Mixtral 8×7B don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

Mixtral 8×7B was released by Mistral on Dec 9 2023.

Composer 2.5 is a proprietary model released by Cursor. Mixtral 8×7B is an open weight model released by Mistral.

Other comparisons