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xAI

Is Grok 4.5 out? Yes, since July 8, 2026

Yes. Grok 4.5 was released on July 8, 2026.

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

Have you used it? Grok 4.5

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Lab
xAI
Family
Grok
Release date
Source
xAI · Release notes

What changed

  • context +95 % · Context window compared with Grok Build 0.1, same tier in this family. Went from 256k tokens to 500k tokens.
  • price +100 % · Prompt price compared with Grok Build 0.1, same tier in this family. Went from $1.00 / MTok to $2.00 / MTok. Lower is better.

About Grok 4.5

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

Next Grok model to watch

Questions

When was Grok 4.5 released?
Grok 4.5 was released on July 8, 2026.
Who makes Grok 4.5?
Grok 4.5 is made by xAI.
What comes after Grok 4.5?
Grok 4.6, released on August 12, 2026.