OpenAI Opens Decisions API to All at $0.10 per Million Tokens, Chases TypeSafe Jev

OpenAI made its Decisions API generally available on Oct 22, pricing it at $0.10 per million input tokens and powering it with a GPT Luna variant tuned for speed. Product lead Nikunj Handa says latency drops from 1-3 seconds to 100-180ms; Speak cut time-between-actions from 1.4s to 0.13s and Sierra now runs under 280ms p95 at ~90% lower cost per call. The product targets TypeSafe's Jev category, which still leads the Artificial Analysis Decision Index at #3 vs. OpenAI's #14.