Grok-4-Fast-Reasoning
poe / xai/grok-4-fast-reasoning
Input price
$0.2
per 1M tokens
Output price
$0.5
per 1M tokens
Context
2,000K
tokens
Capabilities
✓ Reasoning✓ Tool calls✓ Image input— Open weights
| cache read | $0.05 |
| Context | 2,000,000 tokens |
| max output | 128,000 tokens |
| Released | 2025-12-18 |
| Data updated | 2025-12-18 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.