OpenVector alternatives
TL;DR: 12 companies doing similar work to OpenVector in B2B, ranked by how closely they match what OpenVector 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 OpenVector. They are scored on how closely their own description overlaps with OpenVector's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to OpenVector?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| primitive | communication for agents | Spring 2026 | 4 | Active |
| Bryel | Devin for AI Research Engineering | Fall 2026 | 2 | Active |
| PhoneSys | The Phone System for Sales Teams. | Summer 2011 | 4 | Inactive |
| IncidentFox | AI SRE agent that triages, coordinates, and fixes production incidents | Winter 2026 | 2 | Active |
| Parasma | Replacing GPUs with human brain cells | Summer 2026 | 2 | Active |
| Hopper | Fast inference for voice | Fall 2026 | 2 | Active |
| AgentPhone | Phone Numbers for AI Agents | Spring 2026 | — | Active |
| Magma | Monetize your agent's traces. | Summer 2026 | 1 | Active |
| Memorable | reducing agent reasoning into a graph search problem | Summer 2027 | 2 | Active |
| Orthogonal | Agentic Payments for APIs | Winter 2026 | 2 | Active |
Is OpenVector still active?
OpenVector 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 OpenVector. They are then ranked on how closely their own description overlaps with OpenVector's, so the closest matches come first rather than whoever happens to share a tag.