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xAI model

Grok 4.5

API pricing per million tokens

grok-4-5 ReasoningChecked 5h ago
Cost calculator Compare Benchmarks
Input
$2
per 1M, list
Output
$6
per 1M tokens
Cached input
$0.3
no batch tier listed
Context
500K
450K max output

Where to buy it (4)

  • xAI (list)the lab's own API$2 / $6cached $0.3
  • xAIzdr$2 / $6cached $0.3
  • xAIpriority+100%$4 / $12cached $0.6
  • xAIzdr-priority+100%$4 / $12cached $0.6

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $320.00 direct.

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About Grok 4.5

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Takes text, image, files in and returns text. First listed Jul 17, 2026. Blended price $3 per 1M tokens at 3 input to 1 output. Overall score 2 on leadersboard.fru.dev (rank 47).

OpenRouter listing xAI pricing page
Across fru.devCompany profile2 acquisitions

Questions

How much does Grok 4.5 cost?

$2 per million input tokens and $6 per million output tokens, with cached input at $0.3.

What is the context window of Grok 4.5?

500K tokens, with up to 450K tokens of output.

Where is Grok 4.5 cheapest?

Of 4 routes tracked, xAI is cheapest at $2 input and $6 output per million tokens.

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.