GPT 5.5 (Fast)
vercel / openai/gpt-5.5-fast
Input price
$12.5
per 1M tokens
Output price
$75
per 1M tokens
Context
1,000K
tokens
Capabilities
✓ Reasoning✓ Tool calls✓ Image input— Open weights
| cache read | $1.25 |
| Context | 1,000,000 tokens |
| max output | 128,000 tokens |
| Released | 2026-04-23 |
| Data updated | 2026-04-23 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.