Grok 4 Reasoning API Pricing
Reasoning · 256K context · $3 per 1M input tokens, $15 per 1M output tokens.
Grok 4 Reasoning pricing
| Provider | Input /1M | Output /1M | In+Out |
|---|---|---|---|
| xAI | $3 | $15 | $18 |
Prices per 1M tokens, USD. Snapshot 2026-07 — verify with the provider before relying on them.
Grok 4 Reasoning cost calculator
Frequently asked
How much does Grok 4 Reasoning cost per 1M tokens?
Grok 4 Reasoning costs $3 per 1M input tokens and $15 per 1M output tokens from xAI.
What is Grok 4 Reasoning's context window?
Grok 4 Reasoning supports a context window of about 256K tokens. Remember every token in the context is billed on each call.
Is Grok 4 Reasoning available on other providers?
Grok 4 Reasoning is offered by xAI. For open-weight alternatives you can host on multiple providers, see the full model comparison.