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Cursor Composer 2.5 & Cursor as an Autonomous Engineer
Chris Harper
1 min read
Jun 3, 2026
AI
Developer Tools
LLM
Cursor shipped Composer 2.5 in May 2026, an in-house long-horizon model that benchmarks alongside Opus 4.7 and GPT-5.5 on agentic tasks. The latest versions can sustain multi-step tasks for hours without intervention. Code review (understanding why the AI made a change) is now considered higher-leverage than writing the change itself.
Sources: DEV Community Comparison · Pyyne – Building Software with AI in 2026