OpenAI announced Thursday that it has entered into an agreement to acquire Astral, the company behind popular open source Python development tools such as uv, Ruff, and ty, and integrate the company ...
When custom tools beat built-in ones.
The GPT-5.3 and 5.4 models represent a different approach, hinting at a major change in how major AI firms build their tech.
OpenAI’s GPT-5.4 mini and nano models cut costs and latency while staying close to flagship performance, giving developers faster AI options for real-time apps without sacrificing core capabilities.