Bullet is a coding agent designed to accelerate software development by optimizing agent loops through automatic model selection, parallel execution of independent searches and commands, and targeted code search instead of full repository embedding. On SWE-bench Verified, Bullet resolved 479 of 500 issues (95.8%) with an average execution time of 119 seconds, ranking in the top 3 on the leaderboard and demonstrating 35-67% faster performance than comparable systems. The tool works with existing Claude Code, Codex, and various API subscriptions, or can run locally without requiring a key.
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