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Grok 4.5 Pricing History

Current pricing: $2.00 input / $6.00 output per million tokens. Same list price as Grok 4.6 but a cheaper cached rate ($0.30/MTok vs $0.50), so cache-heavy workloads are cheaper here than on 4.6. xAI publishes release notes at month granularity only; dated to the start of the month.

Input / MTok

$2.00

Output / MTok

$6.00

Cache discount

85% off

Context window

500K

Changelog

Price changes

1 recorded change for Grok 4.5.
Jul 1, 2026
Grok
Input price
New: $2.00/MTok
New

Compare

How Grok 4.5 compares

Current pricing vs other flagship models across providers.
Grok 4.5Current
Grok
$2.00
$6.00
Grok 4.6
Grok
$2.00
$6.00
GPT 5.6 Sol
GPT
$4.00
$20.00
Claude Opus 4.8
Claude
$5.00
$25.00
Claude Opus 5
Claude
$5.00
$25.00
GPT 5.5
GPT
$5.00
$30.00
Claude Fable 5.1
Claude
$10.00
$50.00
Claude Fable 5
Claude
$10.00
$50.00

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