OpenAI Audio Light Closed weights

GPT-Realtime-2.1 mini

129 days since OpenAI announced it · 6 Jul 2026

GPT-Realtime-2.1 mini is a closed-weights audio model from OpenAI, announced 6 Jul 2026. It costs $10 in / $20 out per 1M audio tokens.

Price: $10 in / $20 out; per 1M audio tokens
Parameters: —; not disclosed

Announcement: developers.openai.com/api/docs/changelog
Docs: developers.openai.com/api/docs/models/gpt-realtime-2.1-mini

Our coverage

We haven’t written about GPT-Realtime-2.1 mini yet.

OpenAI · Light · Realtime

closed weights

GPT-Realtime-2.1 mini 6 Jul 2026

More from OpenAI

All models

GPT-6 Cyber 5 Nov 2026
GPT-Image-2.6 Flare 4 Nov 2026
GPT-Image-2.6 Sunburst 4 Nov 2026
GPT-6 Rosalind 30 Oct 2026
GPT-6.1 Terra 26 Oct 2026
GPT-6.1 Sol 29 Sep 2026
GPT-6 Luna 22 Sep 2026
GPT-6 Sol 22 Sep 2026

Facts last updated 7 Nov 2026, from OpenAI’s own pages.