An index of frontier and emerging AI labs.
Foundation models & agents
Brett Adcock's third company — building a 'universal' agentic AI interface with its own multimodal models and dedicated hardware. Raised $700M Series A at $6B post-money in May 2026 (Parkway Venture Capital, Nvidia, AMD Ventures, Intel Capital, Qualcomm Ventures, Salesforce Ventures).
| Name | Hark |
|---|---|
| Space | Foundation models & agents |
| Founded | 2025 |
| Latest valuation | $6B |
| Stage | — |
| Status | active |
| HQ | Sunnyvale |
| Founders | Brett Adcock |
| Website | https://hark.com |
| Careers | — |
| — | |
| X / Twitter | — |
| Date | Round | Amount ($M) | Valuation | Confidence |
|---|---|---|---|---|
| — | — | — | $6B | reported |
No founders recorded yet. Submit info.
| Date | Type | Title | Source |
|---|---|---|---|
| 2026-06-03 | added | Hark added to tracker Latest valuation: $6B. | — |
No sources cited.
| Lab | Valuation | Founded |
|---|---|---|
| Character.AI | — | 2021 |
| MBZUAI / Institute of Foundation Models | — | 2019 |
| Perplexity | $20B | 2022 |
| Sierra | $15B | 2023 |
| MiniMax | ~$11.5B | 2021 |
| Zhipu AI | ~$6.6B (mkt cap) | 2019 |
| StepFun | ~$6B | 2023 |
| Baichuan AI | ~$2.7B | 2023 |