Grok 4 API pricing
xAI's 2025 flagship — no longer on xAI's current price list; shown at its last catalog rate.
Input
$3.00
per 1M tokens
Cached input
—
per 1M tokens
Output
$15.00
per 1M tokens
Context window
250K
max output 250K
Prices last synced Aug 20, 2026 from the LiteLLM community price catalog — the same catalog Marginal prices real usage events against, refreshed daily. Spot an error? Tell us.
What would Grok 4 cost you?
Enter your workload — add other models to compare the same traffic across providers.
Your monthly workload
Cache hit rate = share of input tokens served from the provider's prompt cache, billed at the model's cached-input price. Estimates use standard per-token rates — batch discounts, service tiers, and long-context surcharges are not applied.
| Model | Input | Cached input | Output | Per request | Monthly |
|---|---|---|---|---|---|
| Grok 4 | $1,800 | $1,200* | $3,750 | $0.013 | $6,750 |
More from xAI
Tracking Grok 4 in production?
Marginal prices every call your app actually makes — cached tokens, dated snapshots, model switches included — and slices spend by customer or feature. One track() call to integrate.