Free GPT Realtime 2.1 Mini alerts
OpenAI
GPT Realtime 2.1 Mini Limits
Token limits
| Spec | Value |
|---|---|
| Context window | 128,000 tokens |
| Max output | 32,000 tokens |
| Input types | Text, Audio, Image |
| Output types | Text, Audio |
Rate limits
Per organization, by API usage tier.
| Tier | RPM | TPM |
|---|---|---|
| Build | 400 | 200,000 |
| Launch | 10,000 | 4,000,000 |
| Grow | 20,000 | 15,000,000 |
Source: openai.com, read Nov 9, 2026.
Get an email when we log a change to GPT Realtime 2.1 Mini
Questions
What is the GPT Realtime 2.1 Mini context window
128,000 tokens, per developers.openai.com, read Nov 9, 2026.
What is the GPT Realtime 2.1 Mini max output
32,000 tokens, per developers.openai.com.
What are the GPT Realtime 2.1 Mini rate limits
Per organization, by API usage tier. RPM 400, TPM 200,000 at the Build tier, per developers.openai.com.
Source: openai.com, read Nov 9, 2026.