gpt-5-nano-2025-08-07 shuts down on 2026-12-11 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-luna. The published context window changes from 400,000 tokens on gpt-5-nano-2025-08-07 to 1,050,000 tokens on gpt-5.6-luna.
deprecated
| Announced | 2026-06-11 |
|---|---|
| Deprecated | Not published |
| Shutdown | 2026-12-11 |
| Kind | exact |
See the replacement diff · OpenAI models
| Input price / 1M | Not published |
|---|---|
| Output price / 1M | Not published |
| Cached input / 1M | Not published |
| Context window | 400,000 · source, checked 2026-10-17 |
| Max output | 128,000 · source, checked 2026-10-17 |
| Reasoning | Not published |
| Vision | Not published |
| Tools | Not published |
gpt-5-nano-2025-08-07 shuts down on 2026-12-11 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-luna. The published context window changes from 400,000 tokens on gpt-5-nano-2025-08-07 to 1,050,000 tokens on gpt-5.6-luna.
The official replacement is gpt-5.6-luna.
gpt-5-nano-2025-08-07 status is deprecated.
Dec 11, 2026 | gpt-5-nano-2025-08-07 | gpt-5.6-luna
Model ID: gpt-5-nano | context window 400000 | max output 128000 | input $0.05 | output $0.4 | Default snapshot gpt-5-nano-2025-08-07