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
See community experiences- Lab
- xAI
- Family
- Grok
- 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.
