Fiber AI alternatives
TL;DR: 12 companies doing similar work to Fiber AI in B2B, ranked by how closely they match what Fiber 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 Fiber AI. They are scored on how closely their own description overlaps with Fiber AI's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Fiber AI?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Zatanna | Turning all software into agent-first APIs | Winter 2026 | 2 | Active |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Cascade | Distilling Proprietary Intelligence | Winter 2026 | 2 | Active |
| Pagelever | Facebook analytics. Acquired by Unified in January 2013. | Summer 2011 | 11 | Acquired |
| IncidentFox | AI SRE agent that triages, coordinates, and fixes production incidents | Winter 2026 | 2 | Active |
| GiveSpark | Givespark was a celebrity charity fundraising platform | Winter 2012 | 1 | Inactive |
| MixRank | Data products for sales, marketing, finance, recruiting, and more. | Summer 2011 | 31 | Active |
| Segment | Software and APIs to collect, clean, and control customer data. | Summer 2011 | 550 | Acquired |
| Chartio | Chartio is changing how companies work by building the best… | Summer 2010 | 40 | Acquired |
Is Fiber AI still active?
Fiber 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 Fiber AI. They are then ranked on how closely their own description overlaps with Fiber AI's, so the closest matches come first rather than whoever happens to share a tag.