xAI

Grok 4.3 pricing

$1.25 per million input tokens, $2.50 per million output tokens, 1M-token context window. A 1,500-in / 400-out request costs $0.0029.

Input / 1M tokens
$1.25
Output / 1M tokens
$2.50
Cached input / 1M
$0.200
Context window
1M tokens
Max output
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Released
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Worked cost examples

WorkloadPer request1,000 requests6,000 requests / month
Customer-support reply (1,500 in / 400 out)$0.0029$2.88$17.25
Document summary (20,000 in / 1,000 out)$0.028$27.50$165
Code review pass (8,000 in / 1,500 out)$0.014$13.75$82.50

List prices only. Caching, batch tiers and volume agreements can change these numbers substantially.

Where it sits on price

Of the 30 models in this catalog, Grok 4.3 ranks 9 by output price — cheaper than 21 and more expensive than 8. Cached input is billed at $0.200 per million tokens, about 16% of the standard input rate, so a high cache-hit rate changes the picture.

Price is not capability. A model that is half the price but needs two attempts, or that cannot hold your context, is the more expensive choice. Use these figures for budgeting and run your own evaluation for the quality decision.

Price it for your own workload

Enter your real request size and traffic in the calculator to get a monthly number.

Open the LLM cost calculator

Other xAI models

List price last verified Oct 15, 2026 against the vendor's published pricing. Short-context (<200K) rates. Long context (>=200K) is $2.50 input / $5.00 output per 1M.. Vendors change prices without notice — confirm on the vendor's page before you commit.