Pricing, context window and lifecycle for x-ai/grok-4.20, tracked from what the vendor publishes.
| Input | $1.25 |
| Output | $2.50 |
| Cache read | $0.200 |
| Model ID | x-ai/grok-4.20 |
| Vendor | xAI |
| Context window | 2,000,000 tokens |
| Knowledge cutoff | 2025-09-01 |
| End of life | none published |
include_reasoning, logprobs, max_tokens, reasoning, response_format, seed, structured_outputs, temperature, tool_choice, tools, top_logprobs, top_p