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

Composer 1.5 vs Kimi-Dev

Cursor
Composer 1.5
Moonshot AI
Kimi-Dev
Overview
CompanyCursorMoonshot AI
Release dateFeb 8 2026Jun 2025
AccessProprietaryOpen Weight
Specifications
Parameters
72B
Benchmarks
Next.js coding
Next.js Evals
67%
Timeline
Release gapKimi-Dev shipped 252 days before Composer 1.5

Which is better: Composer 1.5 or Kimi-Dev?

Composer 1.5 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 252 days before Composer 1.5, so benchmark comparisons should account for the intervening progress.

Composer 1.5 is proprietary, while Kimi-Dev is open weight.

Direct benchmark comparisons are unavailable — Composer 1.5 and Kimi-Dev don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 1.5 was released by Cursor on Feb 8 2026.

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

Composer 1.5 is a proprietary model released by Cursor. Kimi-Dev is an open weight model released by Moonshot AI.

Other comparisons