# GPT-Realtime-2.1: Catalogue listing

GPT-Realtime-2.1: Catalogue listing. First seen 31 Oct 2026 Catalogues list a 128,000 tokens context window. 2 evidence links.

- Kind: Sighting
- Developer: OpenAI
- Confidence: Confirmed
- First seen: 2026-10-31T22:25:02.874Z
- Model: [GPT-Realtime-2.1](https://alexgetman.com/models/openai/gpt-realtime-2-1/)
- Canonical: https://alexgetman.com/signals/2026/10/31/gpt-realtime-2-1/

## Evidence links

- [models.dev · catalogue](https://models.dev/#gpt-realtime-2.1)
- [OpenAI · pricing](https://developers.openai.com/api/docs/pricing)