Faster, cheaper Grok 4 tier for volume chat on xAI. Prefer when latency and cost beat peak Grok 4 quality for your workload.
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Pricing snapshot
USD per 1 million tokens. Verify against the provider source before you lock budget.
| Rate | USD |
|---|---|
| Input / 1M | $0.200 |
| Output / 1M | $0.500 |
Model details
| Detail | Value |
|---|---|
| Provider | xAI |
| Context window | 256K |
| Tokenizer | Approx |
| Last verified | 2026-08-02 |
| API model id | grok-4-fast |