API
Jul 6, 2026
GPT-Realtime-2.1 and GPT-Realtime-2.1 mini for realtime voice applications
Released GPT‑Realtime‑2.1, an updated realtime reasoning model with improved alphanumeric recognition, silence and noise handling, and interruption behavior. Also released GPT‑Realtime‑2.1 mini, a faster, lower-cost distilled reasoning model for realtime voice applications.