GPT-Audio-1.5 (and gpt-audio / gpt-audio-mini)
gpt-audio-1.5 released 2026-02-23 with gpt-realtime-1.5. Older gpt-audio (2025) and gpt-audio-mini (2025-10-06) were deprecated 2026-07-20 with shutdown 2027-01-20 (replacement gpt-audio-1.5); gpt-4o-audio-preview was shut down 2026-05-12. Chat Completions only (not Responses).
- Context window
- 128,000 tokens
- Max output
- 16,384 tokens
- Knowledge cutoff
- 2024-09
- Input
- text, audio
- Output
- text, audio
- License
- proprietary
- Pricing
- text input: $2.5 · text output: $10 · audio input: $32 · audio output: $64 (per 1M tokens (USD); gpt-audio same; gpt-audio-mini audio $10 / $20, text $0.60 / $2.40) source
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| OpenAI API | gpt-audio-1.5 | https://api.openai.com/v1/chat/completions | docs |
| OpenAI API | gpt-audio-mini | https://api.openai.com/v1/chat/completions | docs |
Notable capabilities (1)
- Audio in / audio out over Chat Completions: Non-realtime REST alternative to the Realtime API: send audio and receive spoken audio plus text in one Chat Completions call, with streaming and function calling. source
Sources:
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-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-Realtime-Whisper · 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