HumanEval / SWE-bench Lite
★ Sonnet 5.5 (Absolute) / Haiku 5.5 (Per Dollar) Coding & Software Engineering
Haiku 5.5 88.4%
Sonnet 5.5 94.2%
GPT-4o-mini 82.0%
Gemini 2.5 Flash 84.1%
Haiku 5.5 comes remarkably close to Sonnet-tier coding accuracy while generating code 2x faster at 1/12th the price.