OpenAI puts Orion‑2 reasoning model in the API today
The model ships with a 400,000-token context window and, according to one reporter, sits below the company's previous frontier tier on price.
OpenAI released Orion-2, a reasoning model the company said is frontier-class, and made it available in its API on the day of announcement. OpenAI gives the context window as 400,000 tokens. The company did not mention a staged rollout or a waitlist.