GPT-4o mini

GPT-4o mini was released July 18, 2024 as the most cost-efficient small model from OpenAI. Priced at \$0.15/\$0.60 per million tokens — over 60% cheaper than GPT-3.5 Turbo. Scored 82% on MMLU and 87.2% on HumanEval. Replaced GPT-3.5 Turbo as the default free-tier model in ChatGPT.