xAI
1 entry in March 2026, 7 releases.
Every entry
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The last of xAI’s founding team leaves the company
Ross Nordeen, the last of xAI’s original co-founders still at the company, left on 28 March 2026. Co-founders Guodong Zhang and Zihang Dai had departed earlier in the month, roughly seven weeks after SpaceX completed its all-stock acquisition of xAI.
Releases
| Date | Release | Maker | Family | Kind | What it was |
|---|---|---|---|---|---|
| 2026 | |||||
| Grok 4.6 | xAI | Grok | model | Flagship model with a 500,000-token context window, at $2 and $6 per million tokens. | |
| Grok Build | xAI | Grok | product, open weights | Open-sourced under the Apache License after a data-handling controversy. | |
| Grok 4.5 | xAI | Grok | model | Released through Grok Build, the Cursor editor and the xAI API. | |
| Grok Build (SWE-bench update) | xAI | Grok | product | Scored 70.8% on SWE-bench Verified. | |
| 2025 | |||||
| Grok Imagine | xAI | Grok | product | Image and video generation tool released with a permissive “spicy mode.” | |
| Grok 4 | xAI | Grok | model | Generalist and code-specialized variants with a 256,000-token context window. | |
| Grok 3 | xAI | Grok | model | Reasoning model with a “DeepSearch” agent mode, trained on the Colossus supercluster. | |