OpenAI is slowly inviting selected users to test a whole new set of reasoning models named o3 and o3 mini, successors to the o1 and o1-mini models that just entered full release earlier this month.
OpenAI has unveiled its latest AI models, o3 and o4-mini, representing a pivotal advancement in artificial intelligence. These models introduce enhanced reasoning, seamless tool integration, and ...
Back in August 2025, when OpenAI unveiled GPT-5, it also introduced GPT-5 Mini and GPT-5 Nano, two smaller language models designed for high-volume workloads. Since then, OpenAI has rolled out several ...