Atropos Health vs OpenEvidence
Which Healthcare AI tool is better in 2026?
Atropos Health
On-demand real-world evidence for clinical decisions
OpenEvidence
AI medical assistant for clinicians
Side-by-side
OpenEvidence is the more established option (raised $735M); pricing is comparable on both sides.
| Metric | Atropos Health | OpenEvidence |
|---|---|---|
| Taglinei | On-demand real-world evidence for clinical decisions | AI medical assistant for clinicians |
| Foundedi | 2019🏆 | 2022 |
| HQi | New York, United States | San Francisco, US |
| Employeesi | 100 | 50-200🏆 |
| Neuron scorei | 72🏆 | 63 |
| Total fundingi | $53.8M | $735M🏆 |
| Latest roundi | Series B · May 2024 | Series D · Jan 2026 |
| Valuationi | — | $12B🏆 |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✓ Free for Verified US Physicians |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | — |
| Pricing summaryi | Custom | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Atropos Health and OpenEvidence.
| Capability | Atropos Health | OpenEvidence |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (TypeScript, Python) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Atropos Health
- Higher Neuron score (72 vs 63)
- More mature (2019)
🔵 Strengths of OpenEvidence
- Has raised more capital ($735M vs $53.8M)
- Offers a free plan
- Newer company (2022)
- Verified profile
Which should you choose?
Choose OpenEvidence if price matters most — it starts at Free, 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
Atropos Health vs OpenEvidence — which is better?
It depends on your priority. Atropos Health is the leaner option; OpenEvidence has broader feature depth. See the side-by-side table above.
Is Atropos Health cheaper than OpenEvidence?
No — OpenEvidence's cheapest paid plan is Free, while Atropos Health's is Custom.
Do Atropos Health and OpenEvidence offer free plans?
Atropos Health: Paid only. OpenEvidence: Yes, has a free plan.
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