OpenAI
GPT-6 Luna Limits
Token limits
| Spec | Value |
|---|---|
| Context window | 1,050,000 tokens |
| Max output | 128,000 tokens |
| Input types | Text, Image |
| Output types | Text |
Rate limits
Per organization, by API usage tier.
| Tier | RPM | TPM | Batch queue limit |
|---|---|---|---|
| Build | 5,000 | 2,000,000 | 20,000,000 |
| Launch | 10,000 | 10,000,000 | 1,000,000,000 |
| Grow | 30,000 | 180,000,000 | 15,000,000,000 |
Source: openai.com, read Nov 9, 2026.
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Questions
What is the GPT-6 Luna context window
1,050,000 tokens, per developers.openai.com, read Nov 9, 2026.
What is the GPT-6 Luna max output
128,000 tokens, per developers.openai.com.
What are the GPT-6 Luna rate limits
Per organization, by API usage tier. RPM 5,000, TPM 2,000,000, Batch queue limit 20,000,000 at the Build tier, per developers.openai.com.
Source: openai.com, read Nov 9, 2026.