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xAI model

Grok 4.3

API pricing per million tokens

grok-4-3 ReasoningChecked 5h ago
Cost calculator Compare
Input
$1.25
per 1M, list
Output
$2.5
per 1M tokens
Cached input
$0.2
batch $1 / $2
Context
1M
900K max output

Where to buy it (5)

  • xAI (list)the lab's own API$1.25 / $2.5cached $0.2
  • OCI Generative AIdefault region, $1.25 / $2.50 per 1,000,000 tokens$1.25 / $2.5$1.56 blended
  • xAIzdr$1.25 / $2.5cached $0.2
  • xAIpriority+100%$2.5 / $5cached $0.4
  • xAIzdr-priority+100%$2.5 / $5cached $0.4

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $175.00 direct.

Related models

About Grok 4.3

Grok 4.3 is a reasoning model from SpaceXAI.

Takes text, image, files in and returns text. First listed May 4, 2026. Blended price $1.56 per 1M tokens at 3 input to 1 output.

OpenRouter listing xAI pricing page
Across fru.devCompany profile2 acquisitions

Questions

How much does Grok 4.3 cost?

$1.25 per million input tokens and $2.5 per million output tokens, with cached input at $0.2, or $1 and $2 through the Batch API.

What is the context window of Grok 4.3?

1M tokens, with up to 900K tokens of output.

Where is Grok 4.3 cheapest?

Of 5 routes tracked, xAI is cheapest at $1.25 input and $2.5 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.