OpenEvidence vs Plena Health
Which Healthcare AI tool is better in 2026?
OpenEvidence
AI medical assistant for clinicians
Plena Health
Plena is the AI operating system for specialty medical practices
Side-by-side
OpenEvidence is the more established option (raised $735M); pricing is comparable on both sides.
| Metric | OpenEvidence | Plena Health |
|---|---|---|
| Taglinei | AI medical assistant for clinicians | Plena is the AI operating system for specialty medical practices |
| Foundedi | 2022🏆 | 2026 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 50-200 | 1-10🏆 |
| Neuron scorei | 63🏆 | 48 |
| Total fundingi | $735M🏆 | $500K |
| Latest roundi | Series D · Jan 2026 | Seed · Jan 2026 |
| Valuationi | $12B🏆 | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for OpenEvidence and Plena Health.
| Capability | OpenEvidence | Plena Health |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (TypeScript, Python) | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of OpenEvidence
- Has raised more capital ($735M vs $500K)
- Higher Neuron score (63 vs 48)
- More mature (2022)
- Verified profile
🔵 Strengths of Plena Health
- Newer company (2026)
Which should you choose?
Choose Plena Health if price matters most — it starts at Pricing not listed, which is friendlier for teams watching burn. Both AI Healthcare tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose OpenEvidence if you want the most established option — it has raised $735M, 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
OpenEvidence vs Plena Health — which is better?
It depends on your priority. OpenEvidence has raised more capital and is the more established option; Plena Health has broader feature depth. See the side-by-side table above.
Is OpenEvidence cheaper than Plena Health?
No — Plena Health's cheapest paid plan is Pricing not listed, while OpenEvidence's is Freemium.
Do OpenEvidence and Plena Health offer free plans?
OpenEvidence: Paid only. Plena Health: Paid only.
Explore more AI Healthcare tools
Contextual paths to related AI startups, deals and rankings.