Back to models
retired
Grok 4.1 Fast
xai/grok-4-1-fastPrices
- Input
$1.25 per 1M tokens
low- Input (>200k ctx)
$2.50 per 1M tokens
low- Input (cached read, >200k ctx)
$0.40 per 1M tokens
low- Input (cached read)
$0.20 per 1M tokens
low- Output
$2.50 per 1M tokens
low- Output (>200k ctx)
$5.00 per 1M tokens
low
Also available on
The same model, sold by someone else. The price above is the maker's own.
| Channel | What | Price |
|---|---|---|
| Other · ofox | Input | $0.20 per 1M tokens |
| Input (cached read) | $0.05 per 1M tokens | |
| Output | $0.50 per 1M tokens | |
| Other · zenmux | Input | $0.20 per 1M tokens |
| Input (cached read) | $0.05 per 1M tokens | |
| Output | $0.50 per 1M tokens |
Specifications
- Provider
- xai
- Context window
- 2,000,000
- Max output tokens
- 30,000
- Open weights
- no
- Released
- 11/19/2025
- Retires
- 05/15/2026
- First seen by this tracker
Price history
No price of this model has changed since we started tracking it.
- Input (cached read)
- 0.2 per 1M tokens, unchanged since 09/14/2026
- Input
- 1.25 per 1M tokens, unchanged since 09/14/2026
- Output
- 2.5 per 1M tokens, unchanged since 09/14/2026
- Input (>200k ctx)
- 2.5 per 1M tokens, unchanged since 09/14/2026
- Output (>200k ctx)
- 5 per 1M tokens, unchanged since 09/14/2026
- Input (cached read, >200k ctx)
- 0.4 per 1M tokens, unchanged since 09/14/2026