Protocol Labs alternatives
TL;DR: 12 companies doing similar work to Protocol Labs in B2B, ranked by how closely they match what Protocol Labs 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 Protocol Labs. They are scored on how closely their own description overlaps with Protocol Labs's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Protocol Labs?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Convox | Open-source tools for deploying, managing, and monitoring cloud… | Summer 2015 | 3 | Acquired |
| Sherpa Labs | Frontier Data | Winter 2025 | 5 | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Dialogus | voice AI agents that learn how your company actually works | Summer 2026 | 3 | Active |
| Firebase | Build and grow iOS, Android, and Web apps. | Summer 2011 | 500 | Acquired |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| Miso Labs | Emotive foundation voice models | Spring 2026 | 3 | Active |
| Korso | In Development | Spring 2026 | 3 | Active |
| Parasma | Replacing GPUs with human brain cells | Summer 2026 | 2 | Active |
Is Protocol Labs still active?
Protocol Labs 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 Protocol Labs. They are then ranked on how closely their own description overlaps with Protocol Labs's, so the closest matches come first rather than whoever happens to share a tag.