Expired60% confidenceFactTime unknown
Composer 2 is actually based on Moonshot's Kimi KR model, rather than being fully developed in-house.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
VerifiedThe base model of Composer 2.5 is the Kimi K2.5 model open-sourced by Moonshot AI.80% similarUnverifiedComposer 2.5 is built on the same open-source base as Composer 2, which is KimiK 2.5, a model released by Moonshot AI72% similarUnverifiedKimi-Writer is built on the Kimi-K2-Thinking model.69% similarUnverifiedChinese team Moonshot AI has launched Kimi K2, an open-weight agentic coding model whose performance is already approaching Claude's level.68% similarUnverifiedIn a literary creation test, Gemini's blind evaluation judged that Kimi K2 Thinking's ci-poem in the style of 长相思 was superior to DeepSeek's work.66% similar
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