Model · OpenRouter

X Ai/Grok 4.20

Name: Grok 4.20
Author: X Ai

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

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Author / organization	X Ai
Access	Hosted API (no weights listed here)
Price per million tokens	$1.25 in · $2.5 out
Context window	2,000,000 tokens
Task	image-text-to-text
Created	31 March 2026
Last updated at source	—

image-text-to-texthostedreasoningtool-use

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Silytics shows public metadata from OpenRouter and links to the original. Information may be incomplete or out of date. Last refreshed 18 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.