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

Composer 2.5 vs Kimi K2.7 Code

Cursor
Composer 2.5
Moonshot AI
Kimi K2.7 Code
Overview
CompanyCursorMoonshot AI
Release dateMay 18 2026Jun 12 2026
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapComposer 2.5 shipped 25 days before Kimi K2.7 Code

Which is better: Composer 2.5 or Kimi K2.7 Code?

Composer 2.5 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 2.5 shipped 25 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 2.5 is proprietary.

Direct benchmark comparisons are unavailable — Composer 2.5 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Composer 2.5 released?
Composer 2.5 was released by Cursor on May 18 2026.
When was Kimi K2.7 Code released?
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Is Composer 2.5 or Kimi K2.7 Code open source?
Kimi K2.7 Code is an open-source / open-weight model released by Moonshot AI. Composer 2.5 is a proprietary model released by Cursor.

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