# GPT-Realtime-1.5

GPT-Realtime-1.5 is a model from OpenAI, released on 23 Feb 2026. The context window is 32,000 tokens.

- Developer: OpenAI
- Id: gpt-realtime-1.5
- Released: 2026-02-23T00:00:00.000Z
- Sighting: 2026-09-21T13:20:07.553Z
  - [evidence link](https://github.com/truefoundry/models/blob/main/providers/microsoft-foundry/gpt-realtime-1.5.yaml)
- Status: Released
- API availability: 2026-02-23
  - [evidence link](https://developers.openai.com/api/docs/changelog)
  - [evidence link](https://developers.openai.com/api/docs/changelog)
- API availability: 2026-02-23
  - [evidence link](https://developers.openai.com/api/docs/changelog)
- Canonical: https://alexgetman.com/models/openai/gpt-realtime-1-5/

## Questions

### What is the context window of GPT-Realtime-1.5?

The context window is 32,000 tokens.

### When was GPT-Realtime-1.5 released?

On 23 Feb 2026.

## Evidence links

- [review](https://developers.openai.com/api/docs/changelog)
- [review](https://developers.openai.com/api/docs/models/gpt-realtime-1.5)
- [openai-pricing](https://developers.openai.com/api/docs/pricing)
- [truefoundry-azure](https://github.com/truefoundry/models/blob/main/providers/microsoft-foundry/gpt-realtime-1.5.yaml)
- [models.dev · catalogue](https://models.dev/#gpt-realtime-1.5)

## Signals

- [GPT-Realtime-1.5 spotted on models.dev](https://alexgetman.com/signals/2026/10/21/gpt-realtime/)