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

Composer vs Kimi K2 Thinking

Cursor
Composer
Moonshot AI
Kimi K2 Thinking
Overview
CompanyCursorMoonshot AI
Release dateOct 29 2025Nov 6 2025
AccessProprietaryOpen Weight
Specifications
Parameters
1T
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
71.3%
Timeline
Release gapComposer shipped 8 days before Kimi K2 Thinking

Which is better: Composer or Kimi K2 Thinking?

Composer and Kimi K2 Thinking don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer shipped 8 days before Kimi K2 Thinking, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Kimi K2 Thinking is open weight.

Direct benchmark comparisons are unavailable — Composer and Kimi K2 Thinking don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer was released by Cursor on Oct 29 2025.

Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.

Composer is a proprietary model released by Cursor. Kimi K2 Thinking is an open weight model released by Moonshot AI.

Other comparisons