Grok 4.20
nano-gpt / x-ai/grok-4.20
Input price
$1.25
per 1M tokens
Output price
$2.5
per 1M tokens
Context
2,000K
tokens
Capabilities
✓ Reasoning✓ Tool calls✓ Image input— Open weights
| cache read | $0.2 |
| Context | 2,000,000 tokens |
| max output | 131,072 tokens |
| Released | 2026-03-31 |
| Data updated | 2026-03-31 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.