Prompt Rewrite Boosts GPT-5-mini Performance by 22% on Tau² Benchmark
By
blndrt
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Summary
Researchers discovered that a simple prompt rewrite significantly boosted the performance of GPT-5-mini by 22% on the Tau² benchmark, which tests LLM agent capabilities. The article details how they identified and fixed a performance bottleneck through subtle changes to agent policies, revealing a common reliability trap in small models despite their speed advantages.
Key quotes
· 4 pulleda simple prompt rewrite boosted a small model's success rate by over 20%
we found and fixed this performance bottleneck by making subtle changes to agent policies
our benchmarks revealed a common reliability trap
Tau² benchmark, which simulates real-world agent interactions
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