Harvey vs Rhizome AI
Which Legal AI tool is better in 2026?
Harvey
The AI platform for elite law firms.
Rhizome AI
Agent Platform for Life Sciences
Side-by-side
Harvey leads on both fronts — more capital raised ($2.3B) and a lower entry price than Rhizome AI.
| Metric | Harvey | Rhizome AI |
|---|---|---|
| Taglinei | The AI platform for elite law firms. | Agent Platform for Life Sciences |
| Foundedi | 2022🏆 | 2026 |
| HQi | San Francisco, US | New York, US |
| Employeesi | 201-500 | 1-10🏆 |
| Neuron scorei | 78🏆 | 48 |
| Total fundingi | $2.3B🏆 | $500K |
| Latest roundi | series-h · Sep 2026 | Seed · Jan 2026 |
| Valuationi | $11B🏆 | — |
| Cheapest paid plani | —🏆 | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Harvey and Rhizome AI.
| Capability | Harvey | Rhizome AI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Harvey
- Has raised more capital ($2.3B vs $500K)
- Higher Neuron score (78 vs 48)
- More mature (2022)
🔵 Strengths of Rhizome AI
- Newer company (2026)
Which should you choose?
Choose Harvey if price matters most — it starts at Paid, which is friendlier for teams watching burn. Both AI Legal tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Harvey if you want the most established option — it has raised $2.3B, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Harvey vs Rhizome AI — which is better?
It depends on your priority. Harvey has raised more capital and is the more established option; Rhizome AI has broader feature depth. See the side-by-side table above.
Is Harvey cheaper than Rhizome AI?
Yes — Harvey's cheapest paid plan is Paid, while Rhizome AI's is Enterprise · Contact sales.
Do Harvey and Rhizome AI offer free plans?
Harvey: Paid only. Rhizome AI: Paid only.
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