How much does Grok 4.3 cost?

Grok 4.3 (xAI) costs $1.25 per 1M input tokens and $2.5 per 1M output tokens, $0.2 cached input. Calculate your cost per request, day and month.

Provider	xAI
Input	$1.25 / 1M tokens
Output	$2.5 / 1M tokens
Cached input	$0.2 / 1M tokens
Context window	1M
Notes	<200K prompt tokens. ≥200K: $2.50 in / $5 out.
Source	https://docs.x.ai/docs/models
Last verified	2026-10-14

Example: a chatbot

1,500 input + 400 output tokens per request, 2,000 requests/day, no caching: $0.00287 per request, $5.75 per day, $172.50 per month (30 days).

Open the calculator to compare Grok 4.3 with other models →