xAI
Overall88/100
Tech86/100
UX / UI81 / 74
Models tested1
Best model in our testGrok 4.6
What is xAI?
Founded by Elon Musk in 2023, xAI builds the Grok models. Since February 2026 it has been part of SpaceX. It trains its models on the Colossus supercomputer in Memphis.
Facts checked on 18/10/2026 · source ↗
Models by xAI we tested
The model by xAI we tested on the same prompts as all other models. Click a model for details.
| Model | Released | Overall | Score | Tech | UX / UI | Loads | Total cost | Average time |
|---|---|---|---|---|---|---|---|---|
| Grok 4.6 | 12/08/2026 | 88 | 37.5/40 | 86 | 81 / 74 | 5/5 | $1.83 | 15 min 46 s |
Cost = tokens priced with the API price list valid on the date shown next to the cost (prices change). ≈ = estimate (only the total token count is known), no ≈ = exact from input / output tokens. “Loads” = the page opens without errors; technical health also checks behaviour during use – judge the quality in the viewer.