OpenAI
gpt-realtime-2
Speech generation model for controllable voice, narration, and audio delivery
Model facts
- Context window
- not published tokens
- Maximum output
- not published tokens
- Cheapest paid input
- $4 per 1M tokens
- Cheapest paid output
- $24 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
temperature control, text, audio.
Observed price history
- 2026-08-24: $4 input / $24 output per 1M tokens
API providers
- Vercel AI Gateway — model id openai/gpt-realtime-2; $4 input / $24 output per 1M tokens; provider documentation