DigitalOcean
This Benchgen model card covers OpenAI's GPT-5 mini as the cost-efficient member of the GPT-5 family, released on August 7, 2025. It reports a 19.44% score on Humanity's Last Exam — described as comparable to o3's 20.32% and a generational leap from GPT-4o mini, which scored near 0% on the same benchmark at launch. The Key specifications on the page describe GPT-5 mini as multimodal with an updated knowledge cutoff of June 2025 (compared to GPT-4o mini's October 2023), and as a proprietary API-only release from OpenAI. Parameters, context window, and pricing are listed as undisclosed at the page's last update, and the card notes GPT-
