Model · Multimodal language model
GPT-Realtime-2.1
An API-served realtime speech model with audio and text output, available through OpenAI's Realtime API under the OpenAI Services Agreement, without downloadable model weights.
- Developer
- OpenAI
- Distribution
- Developer API
- Artifact licensing
- Proprietary access
- License scope
- Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
- Licenses
- OpenAI Services Agreement
- Boundary
- This record represents the GPT-Realtime-2.1 release of July 2026, which updates GPT-Realtime-2 and is named as the recommended replacement for the retiring gpt-realtime and gpt-4o-realtime lines. The Realtime API platform, the gpt-realtime-2.1-mini sibling, the transcription models, and later OpenAI releases remain separate service or product boundaries.
Risk statements
The developer publishes no risk-threshold statement for this release. Absence is not evidence of safety.
Page the reviewer checked ↗ · 2026-10-09 · Research confidence: High
Open in the directory → Open official model page ↗
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