GPT-Realtime-2.1
Speech and audio
gpt-realtime-2.1
$4 text in, $24 text out per 1M tokens
GPT-Realtime-Whisper
Streaming transcription for live audio; see gpt-live-transcribe for the newer option.
Model idgpt-realtime-whisper
Price$0.017 per minute
Checked29 September 2026
Where it stands
57newer speech and audio models since its release
- NVIDIA Nemotron 3.5 Transcribe (30B-A4B)28 Oct 2026
- Hy-SimulMT-30B-A3B22 Oct 2026
- Eleven Realtime v1 Max / Mini20 Oct 2026
- Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3)20 Oct 2026
- Voxtral Small Transcribe 320 Oct 2026
The 5 newest are listed. All speech and audio models
- Before it from OpenAI
- GPT-Audio-1.5 (and gpt-audio / gpt-audio-mini)23 Feb 2026
- After it from OpenAI
- GPT-Realtime-2.16 Jul 2026
- Weights
- Closed weights; access is hosted only.
How to call it
Where to use GPT-Realtime-Whisper, with its model id.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| OpenAI API | gpt-realtime-whisper |
wss://api.openai.com/v1/realtime (transcription sessions, v1/realtime/transcription_sessions) |
developers.openai.com |
Pricing
| Per minute | $0.017 |
|---|
As published: “per minute of audio (USD)”.
Source: developers.openai.com, checked 29 September 2026.
Specs
- Input
- Audio and text
- Output
- Text
- Context window
- 16,000 tokens
- Max output
- 2,000 tokens
- Open weights
- No
- Licence
- Proprietary
- Released
- 7 May 2026
- Status
- Legacy
- Type
- Speech and audio
What stands out
What its maker marketed at launch, and what people found later, each with its source.
Streaming speech-to-text with tunable latency
Streams transcript deltas from live audio with a latency/accuracy trade-off setting.
Notes
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.
Sources: