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

Composer vs Kimi-Dev

Cursor
Composer
Moonshot AI
Kimi-Dev
Overview
CompanyCursorMoonshot AI
Release dateOct 29 2025Jun 2025
AccessProprietaryOpen Weight
Specifications
Parameters
72B
Timeline
Release gapKimi-Dev shipped 150 days before Composer

Which is better: Composer or Kimi-Dev?

Composer and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi-Dev shipped 150 days before Composer, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Kimi-Dev is open weight.

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

Frequently asked questions

Composer was released by Cursor on Oct 29 2025.

Kimi-Dev was released by Moonshot AI on Jun 2025.

Composer is a proprietary model released by Cursor. Kimi-Dev is an open weight model released by Moonshot AI.

Other comparisons