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Grok 3 Fast Latest pricing

Compare Grok 3 Fast Latest API pricing across 1 listed source. The best input rate we show is $5.00 per million tokens from Xai. The best output rate is $25.00 per million tokens from Xai.

131K context·1 provider·verified Apr 7, 2026
Best input$5.00per 1M tokens · Xai
Best output$25.00per 1M tokens · Xai

Pricing across providers

All figures are list prices per million tokens unless a column says otherwise. 1 offer is listed for Grok 3 Fast Latest. Best input in this view: Xai.

X
Xainative
Input / 1M
$5.00
Output / 1M
$25.00
Cached in: $1.25

Input vs output · 1M tokens

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 Latest.

In: $5.00/M·Out: $25.00/M·Cache: $1.25/M

0.500000¢ / req

1.250000¢ / req

Daily
$175
Monthly
$5.3K
Annual
$63.9K

Model specifications

Quick spec sheet for Grok 3 Fast Latest 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

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Frequently asked questions

Answers pull from the same numbers you see on this page.

Grok 3 Fast Latest costs $5.00 per million input tokens and $25.00 per million output tokens via the native API. Prompt caching reduces input costs to $1.25/M tokens.

Also from Xai

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