xAI (Grok)Grok 4.3
xAI's efficient Grok 4.3 reasoning model with prompt caching, tuned for agentic and coding workloads.
Source: xAI API docs, xAI console
Pricing
Every billing leg from the live catalog, in USD per 1M tokens.
| Billing leg | Rate |
|---|---|
| Input | $1.25 / M |
| Output | $2.5 / M |
| Cache read | $0.2 / M |
Cost calculator
Billing-grade math over the rate card above, including the thinking tokens most estimates miss.
Hidden reasoning tokens bill as output. 1.0x = thinking off. Medium-effort reasoning typically lands near 3x; heavy reasoning runs 6x to 8x. Set it to match your workload.
Provider
Where this model runs, and what it charges.
| Platform | Input / M | Output / M | Cache read / M | Batch | Access |
|---|---|---|---|---|---|
xAI | $1.25 | $2.5 | $0.2 | — | First-party API |
Price history
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Rates are generated from SuperPenguin's live pricing catalog.