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Grok 4 1 Fast Reasoning
grok-4-1-fast-reasoning
Input price
$1.25
per 1M tokens
Output price
$2.50
per 1M tokens
Context window
2M
tokens
Cost examples
| Token count | Input cost | Output cost | Combined |
|---|---|---|---|
| 1K tokens | < $0.01 | < $0.01 | < $0.01 |
| 10K tokens | $0.0125 | $0.025 | $0.0375 |
| 100K tokens | $0.125 | $0.25 | $0.375 |
| 1M tokens | $1.25 | $2.5 | $3.75 |
Combined column assumes equal input and output tokens. Actual costs depend on your prompt-to-completion ratio.
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