Unverified50% confidenceFactExact time
Composer 2.5's base model is the same as Composer 2's, both based on KMI K.25.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/14/2026
First Seen
Valid until: 1/12/2027
Sources
Related Entities
Related Claims
UnverifiedComposer 2.5 is a code generation model developed in-house by Cursor, distinct from third-party models integrated on its platform (such as Claude, Grok, and Gemini).59% similarUnverifiedClaude Code v2.1.293 added the claude-haiku-5-5 model and set it as the default Haiku model on the Anthropic API.52% similar
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