Composer 1.5
Released
Composer 1.5 is an AI model released by Cursor (now part of SpaceXAI) on Monday, Feb 9 2026, 82 days after Grok 4.1 Fast. Benchmark results (shown below) cover Next.js Evals.
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Benchmarks
Next.js EvalsNext.js coding — Vercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better.
67%
#15 of 28Best: Claude Fable 5.1 · 97%
Compare Composer 1.5 with
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Frequently asked questions
Composer 1.5 was released by Cursor (now part of SpaceXAI) on Monday, Feb 9 2026.