Grok 4.3 API pricing
Grok generation of early 2026 — one of the few xAI models with a batch discount.
Input
$1.25
per 1M tokens
Cached input
$0.20
per 1M tokens
Output
$2.50
per 1M tokens
Context window
1M
max output 1M
Prices last synced Aug 20, 2026 from the LiteLLM community price catalog — the same catalog Marginal prices real usage events against, refreshed daily. Hand-checked against the provider's official pricing page on Aug 20, 2026. Spot an error? Tell us.
Pricing notes
- Long-context: at 200K+ prompt tokens the whole request bills $2.50 input / $5.00 output per 1M.
- One of the few xAI models with a Batch API discount (20% off).
What would Grok 4.3 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 4.3 | $750 | $80.00 | $625 | $0.00291 | $1,455 |
More from xAI
Tracking Grok 4.3 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.