Composer 2.5

Changes from previous version

Higher scores than Composer 2 on Terminal-Bench 2.0 and SWE-bench Multilingual at the same standard tier pricing; adds a faster default variant with separate per-token rates.

Release Summary

Cursor's updated frontier coding model for Composer, trained with scaled RL, harder synthetic tasks, and targeted textual feedback. Strong gains over Composer 2 on Terminal-Bench 2.0 (69.3%), SWE-bench Multilingual (79.8%), and CursorBench v3.1 harder tasks (63.2%). Same standard pricing as Composer 2 ($0.50/M input, $2.50/M output); a faster default variant costs more ($3.00/M input, $15.00/M output). Double usage for the first week after launch.

Timeline