xAI

Grok 4 Fast

Long context on a small budget

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Hosted API

Input per 1M tokens

$0.200

Output per 1M tokens

$0.500

Context window

2M

Max output

Reasoning

8.4/10

Coding

8.3/10

Speed

270 tok/s

Overall

8.6/10

What it costs you a month

Change the numbers to match your workload. Cached input is billed lower where the maker offers it ( per million).

Monthly

$10.50

Yearly

$126