Erinys alternatives
TL;DR: 12 companies doing similar work to Erinys in B2B, ranked by how closely they match what Erinys 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 Erinys. They are scored on how closely their own description overlaps with Erinys's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Erinys?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Relaw | AI Legal OS | Fall 2025 | 2 | Active |
| Caseflood.ai | How elite law firms do intake | Winter 2025 | 2 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Cembla | AI for legal & government | Summer 2023 | 2 | Active |
| Praxis | AI agents that run law firm operations. | Fall 2026 | 2 | Active |
| Regbase | Automating Corporate Compliance, Worldwide | Spring 2026 | 3 | Active |
| Hona | Personal Injury Legal Work - Automated | Winter 2023 | 32 | Active |
| Moritz | Global AI-native law firm handling legal work with same-day turnaround | Winter 2026 | 10 | Active |
| Vector Legal | A premier AI-native law firm & legal operating system for Startups. | Winter 2026 | 9 | Active |
| OpenIntake | The AI Front Door For Law Firms | Winter 2025 | 2 | Active |
| Lexter.ai | LLM for Legal in Brazil | Winter 2022 | 18 | Active |
Is Erinys still active?
Erinys 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 Erinys. They are then ranked on how closely their own description overlaps with Erinys's, so the closest matches come first rather than whoever happens to share a tag.