Composer 2 is an AI model released by Cursor on Mar 20 2026, 40 days after Composer 1.5. Benchmark results (shown below) cover SWE-Bench Multilingual, CursorBench v3.1, and Terminal-Bench 2.0.
Benchmarks
Multilingual coding
SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better.
73.7%
Agentic coding
CursorBench v3.1Cursor's own test of harder, real-world coding tasks inside a code editor. Higher is better.
52.2%
Agentic terminal coding
Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better.