An index of frontier and emerging AI labs.
Frontier lab
Elon Musk's AI lab behind the Grok model family. Closed a $20B Series E at a $230B valuation in Jan 2026; subsequently acquired by SpaceX in an all-stock deal at a standalone $250B valuation.
| Name | xAI |
|---|---|
| Aliases | X.AI |
| Space | Frontier lab |
| Founded | 2023 |
| Latest valuation | $250B |
| Stage | — |
| Status | active |
| HQ | Palo Alto |
| Founders | Elon Musk |
| Website | https://x.ai |
| Careers | https://x.ai/careers |
| — | |
| X / Twitter | — |
| Date | Round | Amount ($M) | Valuation | Confidence |
|---|---|---|---|---|
| — | — | — | $230B | reported |
No founders recorded yet. Submit info.
| Date | Type | Title | Source |
|---|---|---|---|
| 2026-06-03 | added | xAI added to tracker Latest valuation: $230B. | — |
No sources cited.
| Lab | Valuation | Founded |
|---|---|---|
| Thomson Reuters + Imperial College London Frontier AI Research Lab | — | 2025 |
| Anthropic | $965B | 2021 |
| OpenAI | $852B | 2015 |
| SSI (Safe Superintelligence) | $32B | 2024 |
| Moonshot AI | $20B | 2023 |
| Thinking Machines Lab | $12B | 2025 |
| Ineffable Intelligence | $5.1B | 2025 |
| Ricursive Intelligence | $4B | 2025 |