xAI API Pricing

6 models · From $1.00/1M to $2.00/1M input

The cheapest xAI model to run is Grok Build 0.1 at $1.00 input and $2.00 output per 1M tokens. On a RAG answer of 8,000 tokens in and 600 out, xAI models range from $0.0092 (Grok Build 0.1) to $0.020 (Grok 4.5) per request. The largest context window is Grok 4.3 at 1.0M tokens. Count tokens with the xAI token counter.

Model	Input /1M	Output /1M	Context	Max Output	RAG answer
Grok Build 0.1	$1.00	$2.00	256K	16K	$0.0092
Grok 4.3	$1.25	$2.50	1.0M	16K	$0.011
Grok 4.20	$1.25	$2.50	1.0M	16K	$0.011
Grok 4.7	$2.00	$6.00	500K	16K	$0.020
Grok 4.6	$2.00	$6.00	500K	16K	$0.020
Grok 4.5	$2.00	$6.00	500K	16K	$0.020

xAI API Pricing

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