Composer 1.5

Published

Feb 9, 2026

Composer 1.5 is an AI model developed by Cursor (United States), first published in February 2026. It works in the language domain, on tasks such as coding and agentic tasks.

Epoch AI has no training-compute estimate for this model.

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as likely.

Full record

Organization: Cursor
Country of organization: United States
Domain: Language
Task: Coding, Agentic tasks
Model accessibility: API access
Open weights: No
Epoch confidence: Likely