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Composer 2.5 vs Kimi Chat

Cursor Composer 2.5 vs Moonshot AI Kimi Chat — side-by-side specs.

Cursor
Composer 2.5
Moonshot AI
Kimi Chat
Overview
CompanyCursorMoonshot AI
Release dateMay 18 2026Oct 2023
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapKimi Chat shipped 960 days before Composer 2.5

Which is better: Composer 2.5 or Kimi Chat?

Composer 2.5 and Kimi Chat do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Kimi Chat shipped 960 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Composer 2.5 released?
Composer 2.5 was released by Cursor on May 18 2026.
When was Kimi Chat released?
Kimi Chat was released by Moonshot AI on Oct 2023.

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