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xAI

Is Grok 4.20 out? Yes, since March 10, 2026

Yes. Grok 4.20 was released on March 10, 2026.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? Grok 4.20

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Lab
xAI
Family
Grok
Release date
Source
xAI · Release notes

What changed

  • context 2M tokens · Context window of Grok 4.20. First tracked model of this family in the catalogue.
  • price $1.25 / MTok · Prompt price of Grok 4.20. First tracked model of this family in the catalogue.

About Grok 4.20

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...

Next Grok model to watch

Questions

When was Grok 4.20 released?
Grok 4.20 was released on March 10, 2026.
Who makes Grok 4.20?
Grok 4.20 is made by xAI.
What comes after Grok 4.20?
Grok 4.20 Multi-Agent, released on March 10, 2026.