Imagine this: you’re working on a project that requires an AI agent to not only understand complex instructions but also interact seamlessly with tools, maintain context, and deliver reliable outputs.

If you copy a "config.toml" from a Codex tutorial written in the spring and try to launch Codex, it may not start at all. For ...

OpenAI’s Decisions API enters public beta, returning typed answers about 10x faster at $0.10 per 1M input tokens.

OpenAI today announced how it will comply with the EU AI Act, which requires providers of generative AI systems to mark AI-generated text in a way that makes it identifiable.

OpenAI is bringing o1, its “reasoning” AI model, to its API — but only for certain developers, to start. Starting Tuesday, o1 will begin rolling out to devs in OpenAI’s “tier 5” usage category, the ...

OpenAI released the Decisions API in public beta on October 6, 2026, introducing an endpoint that returns typed answers to developer-defined questions over text and image inputs. The OpenAI API ...

OpenAI made its Decisions API generally available on October 22, 2026, the company announced, taking the GPT-6 Luna–powered endpoint out of public beta at a price of $0.10 per million input tokens.