GPT-5.1 (2025-11-13)
nano-gpt / openai/gpt-5.1-2025-11-13
Input price
$1.25
per 1M tokens
Output price
$10
per 1M tokens
Context
400K
tokens
Capabilities
✓ Reasoning✓ Tool calls— Image input— Open weights
| cache read | $0.125 |
| Context | 400,000 tokens |
| max output | 128,000 tokens |
| Released | 2025-11-13 |
| Data updated | 2025-11-13 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.