Chakra Labs
Dojo: a hub of computer-use and tool-use environments
Chakra Labs builds Dojo (trydojo.ai), a computer-use environment hub for training and evaluating agents on multi-tool tasks. It sells environments to AI labs from its Brooklyn base.
Dojo environment platform
| Website | chakra.dev |
|---|---|
| Domains | Computer Use, Tool Use |
| Location | Brooklyn |
| Team size | 11-25 |
| Funding | ~$10.1M (reported) |
| Founders | Nirmal Krishnan, Alex Fung |
Similar startups
Also listed under Computer Use, Tool Use.
| Name | Domains | Location | Team | Funding | Raising |
|---|---|---|---|---|---|
| Rise Data Labs US-based expert human data and custom RL environments for enterprise AI | Computer Use, Coding, Finance, Cybersecurity, Legal, Data Labeling, Enterprise, Multi-Domain, RLHF, Custom Environments | United States | - | - | Yes |
| Cua Open-source computer-use agent infrastructure and environments | Coding, Computer Use, Agents Infrastructure | San Francisco | 1-10 | Pre-seed/Seed (YC X25) | - |
| Deeptune Code and computer-use environments; acquired by Mercor | Coding, Computer Use | New York | 26-50 | Series A, $43M; acquired by Mercor (2026) | No |
| Fleet RL gyms replicating real enterprise software like Salesforce and Excel | Multi-Domain, Enterprise, Computer Use, Simulation | San Francisco, New York | 26-50 | Seed, $15M (Sequoia, Menlo Ventures, SV Angel) | Yes |
| Habitat Code and desktop interaction RL environments | Coding, Computer Use | New York | 1-10 | - | - |
| HUD Evals and RL environments platform for computer-use agents | Computer Use, Coding, Long Horizon, Agents Infrastructure, Custom Environments | San Francisco, Singapore | 11-25 | $15M raised (YC W25, Exceptional Capital) | - |