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

Composer vs Devstral Small

Cursor
Composer
Mistral
Devstral Small
Overview
CompanyCursorMistral
Release dateOct 29 2025May 21 2025
AccessProprietaryOpen Weight
Specifications
Parameters
24B
Timeline
Release gapDevstral Small shipped 161 days before Composer

Which is better: Composer or Devstral Small?

Composer and Devstral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Devstral Small shipped 161 days before Composer, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Devstral Small is open weight.

Direct benchmark comparisons are unavailable — Composer and Devstral Small don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer was released by Cursor on Oct 29 2025.

Devstral Small was released by Mistral on May 21 2025.

Composer is a proprietary model released by Cursor. Devstral Small is an open weight model released by Mistral.

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