o1-mini
Model ● Covered in 4 stories + Follow
o1-mini is OpenAI's smaller and more cost-efficient version of its o1 reasoning model, released with reduced token costs (80% less for input, 50% less for output) while maintaining similar reasoning capabilities. The model has been referenced in competitive programming benchmarks where open-source alternatives like OlympicCoder have matched or exceeded its performance, and OpenAI published a system card documenting safety evaluations conducted before its launch.
Updated 8 August 2026
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Latest developments
March 2025
December 2024
September 2024
OpenAI releases o1-mini and demonstrates o1 reasoning model applications across genetics, economics, physics, and coding Model release