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retired

xai/grok-3-fast-latest

xai/grok-3-fast

Prices

Input

$1.25 per 1M tokens

unverified · disputed
Input (>200k ctx)

$2.50 per 1M tokens

low
Input (cached read, >200k ctx)

$0.40 per 1M tokens

low
Input (cached read)

$0.20 per 1M tokens

unverified · disputed
Output

$2.50 per 1M tokens

unverified · disputed
Output (>200k ctx)

$5.00 per 1M tokens

low

Specifications

Provider
xai
Context window
131,072
Max output tokens
131,072
Open weights
unknown
Released
unknown
Retires
05/15/2026
First seen by this tracker

Price history

Input — per 1M tokens

5009/14/2026today
FromAmount
09/14/20265
09/14/20261.25

Input (cached read) — per 1M tokens

1.25009/14/2026today
FromAmount
09/14/20261.25
09/14/20260.2

Output — per 1M tokens

25009/14/2026today
FromAmount
09/14/202625
09/14/20262.5

No changes recorded

Input (>200k ctx)
2.5 per 1M tokens, unchanged since 09/14/2026
Output (>200k ctx)
5 per 1M tokens, unchanged since 09/14/2026
Input (cached read, >200k ctx)
0.4 per 1M tokens, unchanged since 09/14/2026

Last updated 10/01/2026, 02:10