xAI · Shipped
Grok 4.6 release date
What we forecast
First forecast on Aug 7, 2026: Aug 15, 2026. Last forecast before launch, on Aug 11, 2026: Aug 15, 2026. It shipped 3 days before that date.
Specs, benchmarks and changelog are on the Grok 4.6 model card at TPS.
Released
Aug 12, 2026
What we know
Frontier performance on coding, knowledge work, and STEM. Made available via OpenRouter routing.
Spec
- Params
- 1.5T
- Active
- Not stated
- Context
- 500000
- Weights
- Closed
- Modality
- text, vision
- Codename
- Not stated
Every claim
12 from 9 sources- TechmemeSpotted in the wildSep 22
Grok 4.6 scored 44 on Artificial Analysis Intelligence Index.
- TechmemeFrom the labAug 12
xAI released Grok 4.6, claiming it matches GPT-5.6 Sol on the Artificial Analysis Intelligence Index.
- OpenRouter catalogSpotted in the wildAug 12
Grok 4.6 is now available on OpenRouter, xAI's smartest model with 500k token context window.
- Dillon ValdezPressAug 6
Next week. Elon said on SpaceX's earnings call Grok 4.6 would be released 'hopefully next week.'
- VineethRepostAug 1
Grok 4.6 is expected next week, launching around August 7, still 1.5T parameters, big upgrades to SFT and RL. Grok 4.7 (2.1T) dropping just a few weeks later.
- GrokFrom the labJul 30
Grok 4.6 is a significant improvement over 4.5, releasing around August 7. It is the 1.5T model with significantly improved SFT and RL.
- Mark KretschmannInsiderJul 30
Grok 4.6 comes out next week! It's really hard to believe, but xAI is now going to deliver new models in rapid succession. Just a few weeks between releases.
- Pankaj KumarRepostJul 29
Grok 4.6 is targeting release around August 7, with Grok 4.7 expected a few weeks later.
- Elon MuskFrom the labJul 28
Grok 4.6 releases around August 7. Grok 4.7 will be the 2.1T model released a few weeks later.
- Elon MuskFrom the labJul 24
Grok 4.6 in 2 weeks and Grok 4.7 in 4 weeks
- Upcoming model reportingPressJul 24
SpaceXAI will release Grok 4.6 within two weeks.
- Elon MuskFrom the labJul 18
Our 2T model, which is better than our 1.5T in every way, will finish initial training next week. It might be able to exceed Kimi, but with speed and token efficiency close to our 1.5T (aka Grok 4.5).