Most reliable Grok 4 Fast API providers
1 provider hosts Grok 4 Fast. Most reliable over the last 30 minutes is Xai at 99.99% uptime.
What would Grok 4 Fast cost you?
Input tokens / month150M
Output tokens / month30M
Projected monthly cost = (input price × 150M) + (output price × 30M). Drag the sliders to match your actual workload; the chart re-ranks live.
| # | Host | Context | Input $/MTok | Output $/MTok | Blended | Uptime 30m | Quant |
|---|---|---|---|---|---|---|---|
| 1 | Xai | 2M | $0.20 | $0.50 | $0.25 | 99.99% | — |