Model pricing · xAI
Grok Build 0.1 pricing
Grok Build 0.1 costs $1 per million input tokens and $2 per million output tokens at list price. Best for: coding (xai).
| Input | $1 / 1M tokens |
|---|---|
| Output | $2 / 1M tokens |
| Cached input (read) | $0.2 / 1M tokens |
| Context window | 256,000 tokens |
Source: xAI pricing, cross-checked against models.dev on 2026-09-15. Your provider invoice is authoritative.
What it costs in practice
| Workload | List price | If input is cached |
|---|---|---|
| One request: 10,000 tokens in, 1,000 out | $0.012 | $0.0040 |
| A month of that request, 100 times a day | $36.00 | $12.00 |
| A 3,000-token instruction file on 100 requests a day, for a month | $9.00 | $1.80 |
The last row is the always-on cost of an instruction file like CLAUDE.md: paid on every request, whether the task needs it or not. Check how much of yours is waste.
Price history
From tokencheat's dated pricing snapshots. Only changes are listed.
| Since | Input / 1M | Output / 1M |
|---|---|---|
| 2026-01-01 | $1 | $2 |
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Compare every model side by side or price your own workload.