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Grok 4.3 Pricing

xAI · Grok 4 · Live

Prices verified July 29, 2026

Grok 4.3 costs $1.25 per million input tokens and $2.5 per million output tokens on the xAI API. It supports a 1,000,000-token context window and up to 32,768 output tokens per request. The model supports extended reasoning, image input, tool use, long context. Released April 30, 2026. Pricing verified July 29, 2026.

Grok 4.3 API pricing

Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.5
Context window
1,000,000 tokens
Max output
32,768 tokens
Released
April 30, 2026
Estimate your Grok 4.3 cost

Capabilities

Extended reasoningImage inputTool useLong context

Price history

Price-stable since June 28, 2026.

Frequently asked questions

Notes

Current xAI flagship, launched April 30, 2026. 1M context window with reasoning mode support. Priced aggressively vs OpenAI/Anthropic at the flagship tier.