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xAI API Pricing & Token Economics

xAI develops the Grok model family (Grok 2 and Grok 2 mini). Built for extreme mathematical reasoning, real-time web awareness, and coding workflows, xAI APIs feature 131k token context windows, standard 50% batch discounts, and compatibility with OpenAI SDK specifications.

Official xAI Pricing Docs API Reference

Prompt Caching Policy

Batch / Asynchronous Rules

Standard API execution rules. Refer to individual endpoint rate limits for asynchronous processing.

Special Billing Conditions

Zero write fees on standard prefix evaluation; automatic cache invalidation.

Active xAI Models(2 models verified)

All 30 Models →

Model	Context	Input / 1M	Cached / 1M	Output / 1M	Batch Discount	Actions
Grok 2 grok-2	128k	$2.00	—	$10.00	N/A	Specs →
Grok 2 mini grok-2-mini	128k	$0.20	—	$1.00	N/A	Specs →

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