Grok 3 Fast Beta pricing
Grok 3 Fast Beta appears on 1 price row here. Lowest input is $1.25 per million tokens from xAI. Lowest output is $2.50 per million tokens from xAI. Use the table and chart, then the calculator for your own volume.
Pricing across providers
Every row is a seller of Grok 3 Fast Beta with token pricing we track. The cheapest input in this snapshot is from xAI. The bar chart shows the same input and output dollars per million for a quick scan.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
X xAInative | $1.25 | $2.50 | $0.200 | — |
Input vs output · 1M tokens
Pricing history
We keep a short log when the native list price for Grok 3 Fast Beta changes so you can audit past public numbers. The native listing moved from $5.00 in and $25.00 out to $1.25 in and $2.50 out in the latest window.
Since Aug 30, 2026
$1.25 in · $2.50 out(current listing)
Output rate -90% vs previous period
Apr 7, 2026 → Aug 30, 2026
$5.00 in · $25.00 out
Cost calculator
Pick any provider row and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for Grok 3 Fast Beta.
0.125000¢ / req
0.125000¢ / req
Model specifications
Quick spec sheet for Grok 3 Fast Beta before you dive back into pricing. Reported under xAI.
- Context window
- 131,072 tokens
- Max output
- 131,072 tokens
- Vision (images)
- No
- Tool / function calling
- Yes
- Streaming
- No
- Released
- N/A
- Primary provider
- xAI
- Model family
- N/A
Compare Grok 3 Fast Beta
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Frequently asked questions
Answers pull from the same numbers you see on this page.
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