gpt-5.4-nano model page
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AI model changelog
gpt-5.4-nano context window update
gpt-5.4-nano changed context window from 1,050,000 token context to 272,000 token context.
What changed
Context Change
gpt-5.4-nano changed context window from 1,050,000 token context to 272,000 token context.
| Field | Previous value | Current value |
|---|---|---|
| Detected date | Not listed | 2026-07-31 |
| Provider | Not listed | OpenAI |
| Model | Not listed | gpt-5.4-nano |
| context | 1,050,000 token context | 272,000 token context |
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Editorial information
Reviewed by AI Pricing Hub Editorial
2026-07-31
Methodology explains collection, validation, limitations, and update cadence.