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Composer vs Kimi Linear

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

Cursor
Composer
Moonshot AI
Kimi Linear
Overview
CompanyCursorMoonshot AI
Release dateOct 29 2025Oct 2025
Model type
Open sourceNoYes
Specifications
Parameters
48B
Context window
Benchmarks
Timeline
Release gapKimi Linear shipped 28 days before Composer

Which is better: Composer or Kimi Linear?

Composer and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 28 days before Composer, so benchmark comparisons should account for the intervening progress.

Kimi Linear is an open-source / open-weight model; Composer is proprietary.

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

Frequently asked questions

When was Composer released?
Composer was released by Cursor on Oct 29 2025.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.
Is Composer or Kimi Linear open source?
Kimi Linear is an open-source / open-weight model released by Moonshot AI. Composer is a proprietary model released by Cursor.

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