primitive alternatives
TL;DR: 12 companies doing similar work to primitive in B2B, ranked by how closely they match what primitive 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 primitive. They are scored on how closely their own description overlaps with primitive's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to primitive?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Inkbox | The identity and communication layer for AI agents | Summer 2026 | 3 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| ProjectX | Agent native workspace for heavy parallel workflows on the web | Spring 2026 | 8 | Active |
| Memory Store | Company Brain. | Spring 2026 | 4 | Active |
| Ardent | Database sandboxes for Agents | Spring 2026 | 3 | Active |
| Indexable | sandbox infrastructure for AI agents | Spring 2026 | 3 | Active |
| Zibra Labs | Distributed runtime for AI workloads at scale | Spring 2026 | 2 | Active |
| Wato | The control point for AI agents at work. | Spring 2026 | 2 | Active |
| TakeCareOS | AI-native operating system for long term care providers | Spring 2026 | 1 | Active |
| Limrun | Extend cloud sandboxes with iOS, Android and more | Spring 2026 | 1 | Active |
| AgentPhone | Phone Numbers for AI Agents | Spring 2026 | — | Active |
Is primitive still active?
primitive 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 primitive. They are then ranked on how closely their own description overlaps with primitive's, so the closest matches come first rather than whoever happens to share a tag.