GPT-Realtime-Whisper
Still listed and not deprecated, but gpt-live-transcribe (2026-07-28, same $0.017/min) adds context and keyword hints and is what OpenAI recommends in its deprecation notices; hence marked legacy here. Language list not given in docs.
- Context window
- 16,000 tokens
- Max output
- 2,000 tokens
- Input
- audio, text
- Output
- text
- License
- proprietary
- Pricing
- per minute: $0.017 (per minute of audio (USD)) source
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| OpenAI API | gpt-realtime-whisper | wss://api.openai.com/v1/realtime (transcription sessions, v1/realtime/transcription_sessions) | docs |
Notable capabilities (1)
- Streaming speech-to-text with tunable latency: Streams transcript deltas from live audio with a latency/accuracy trade-off setting. source
Streaming transcription for live audio; see gpt-live-transcribe for the newer option.
Sources:
Timeline entry
- OpenAI releases GPT-Realtime-2 (reasoning voice), GPT-Realtime-Translate and GPT-Realtime-Whisper ★★★
On 2026-05-07 OpenAI added three streaming audio models to its Realtime API: gpt-realtime-2, its first speech-to-speech model with configurable reasoning effort and a 128K context; gpt-realtime-translate for live speech-to-speech interpretation (70+ input, 13 output languages, $0.034/min); and…
Other OpenAI models
GPT-6.1 Sol · GPT-6 Luna · GPT-6 Sol · GPT Image 2.5 Flare · GPT Image 2.5 Sunburst · GPT-6 Astra · GPT-Live-Transcribe · GPT-Transcribe · GPT-5.6 Terra · GPT-Live 1 · GPT-Realtime-2.1 · GPT-Realtime-2 · GPT-Realtime-Translate · GPT-Rosalind · GPT-Audio-1.5 (and gpt-audio / gpt-audio-mini) · GPT-5.3-Codex · gpt-oss-120b · gpt-oss-20b · GPT-4o mini TTS · text-embedding-3-large · text-embedding-3-small · GPT-5.6 Luna · GPT-5.6 Sol · GPT-5.5 Pro · GPT-5.5 · GPT Image 2 · GPT-5.4 · GPT-Realtime-1.5 · GPT-4.1 · GPT-4o · TTS-1 / TTS-1 HD · Whisper large-v3 / large-v3-turbo (open weights) · GPT-Realtime and GPT-Realtime mini · o3 · GPT-4o Transcribe / Mini Transcribe / Transcribe Diarize · Whisper (whisper-1 API) · Sora 2