Klaus AI alternatives
TL;DR: 12 companies doing similar work to Klaus AI in B2B, ranked by how closely they match what Klaus AI actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Klaus AI. They are scored on how closely their own description overlaps with Klaus AI's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Klaus AI?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| GoScale | Dynamical Scaling Virtual Machines as a Service | Summer 2012 | 2 | Inactive |
| Agent 37 | Persistent sandboxes for agents like hermes, openclaw, claude code | Fall 2026 | — | Active |
| Cloudant | NoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data… | Summer 2008 | 51 | Acquired |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Proxino | Javascript proxy. | Summer 2011 | — | Inactive |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| Memory Store | Company Brain. | Spring 2026 | 4 | Active |
| Cryptoseal | Server key management, VPN as a Service, Privacy VPN. Sold to… | Summer 2011 | 3 | Acquired |
| Mezmo | Observability platform to control all of your log data | Winter 2015 | 172 | Active |
Is Klaus AI still active?
Klaus AI is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Klaus AI. They are then ranked on how closely their own description overlaps with Klaus AI's, so the closest matches come first rather than whoever happens to share a tag.