Grok 4.3 pricing

Grok 4.3 is an API model from xAI. It costs $1.25 per million input tokens and $2.50 per million output tokens, with a 1M-token context window. At a blended $1.56 per million tokens it ranks #17 cheapest of 46 tracked models (mid-range band).

Input / 1M tokens
$1.25
Output / 1M tokens
$2.50
Cached input / 1M
$0.20
Blended (3:1)
$1.56
Context window
1M
Max output
1M
Vision · Tools · Reasoning
Yes · Yes · Yes
Listed since
May 8, 2026

What it costs

WorkloadPer 1,000 requests
Chatbot reply2,000 input + 500 output tokens$3.75
RAG / search answer8,000 input + 700 output tokens$11.75
Long-document summary100,000 input + 2,000 output tokens$130.00

Price history

InputOutput
$0$0.800$1.60$2.40$3.20Jun 26Jul 26Aug 26Sep 26Oct 26$1.25$2.50
First observedInputOutputChange
May 8, 2026$1.25$2.50listed

Dates are the week a price first appeared in the public price list we track, not necessarily the provider's announcement date.

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Grok 4.3 in the news

Prices are the provider's list prices for its own API (USD), taken daily from LiteLLM's public model price list. Discounts for batch processing, caching or committed use, and regional or cloud-marketplace pricing, aren't reflected. Check the provider before estimating production costs. See also the TW Model Price Index.