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

Composer 2 vs Kimi K2.7 Code

Cursor
Composer 2
Moonshot AI
Kimi K2.7 Code
Overview
CompanyCursorMoonshot AI
Release dateMar 20 2026Jun 12 2026
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Multilingual coding
SWE-Bench Multilingual
73.7%
Agentic coding
CursorBench v3.1
52.2%
Agentic terminal coding
Terminal-Bench 2.0
61.7%
Timeline
Release gapComposer 2 shipped 84 days before Kimi K2.7 Code

Which is better: Composer 2 or Kimi K2.7 Code?

Composer 2 and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer 2 shipped 84 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is an open-source / open-weight model; Composer 2 is proprietary.

Direct benchmark comparisons are unavailable — Composer 2 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Composer 2 released?
Composer 2 was released by Cursor on Mar 20 2026.
When was Kimi K2.7 Code released?
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Is Composer 2 or Kimi K2.7 Code open source?
Kimi K2.7 Code is an open-source / open-weight model released by Moonshot AI. Composer 2 is a proprietary model released by Cursor.

Other comparisons