Dirac: Open-Source AI Coding Agent Reduces API Costs by 64.8% While Improving Code Quality
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GodelNumbering
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Summary
Dirac is an open-source AI coding agent designed for high token efficiency and context curation. It topped the Terminal-Bench-2 leaderboard for gemini-3-flash-preview with a 65.2% score. The agent reduces API costs by an average of 64.8% compared to other agents while improving code quality. It uses techniques like hash-anchored parallel edits, AST manipulation, and tight context curation to maintain model reasoning accuracy and reduce costs.
Key quotes
· 3 pulledDirac topped the Terminal-Bench-2 leaderboard for gemini-3-flash-preview with a 65.2% score!
It reduces API costs by 64.8% on average while producing better and faster work.
It is a well studied phenomenon that any given model's reasoning ability degrades with the context length.
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