Atomwise vs OpenEvidence
Which Healthcare AI tool is better in 2026?
Atomwise
Our AI superplatform explores the vast universe of chemical space to discover novel, drug-like molecules unseen by others.
OpenEvidence
AI medical assistant for clinicians
Side-by-side
| Atomwise | OpenEvidence | |
|---|---|---|
| Tagline | Our AI superplatform explores the vast universe of chemical space to discover novel, drug-like molecules unseen by others. | AI medical assistant for clinicians |
| Founded | — | 2022 |
| HQ | — | San Francisco, US |
| Employees | — | 50-200 |
| Total funding | Undisclosed | $735M |
| Latest round | — | Series D · Jan 2026 |
| Valuation | — | $12B |
| Cheapest paid plan | — | — |
| Free plan | ✗ | ✓ Free for Verified US Physicians |
| Free trial | ✗ | ✗ |
| Top tier price | Enterprise Partnership · Contact sales | — |
| Pricing summary | 1 published plans | 1 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Atomwise and OpenEvidence.
| Capability | Atomwise | OpenEvidence |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (TypeScript, Python) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Atomwise
- Strong in AI Healthcare
🔵 Strengths of OpenEvidence
- Has raised more capital ($735M vs Undisclosed)
- Higher Neuron score (60 vs 12)
- Offers a free plan
- Newer company (2022)
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
Atomwise vs OpenEvidence — which is better?
It depends on your priority. Atomwise is the leaner option; OpenEvidence has broader feature depth. See the side-by-side table above.
Is Atomwise cheaper than OpenEvidence?
No — OpenEvidence's cheapest paid plan is Free, while Atomwise's is Enterprise · Contact sales.
Do Atomwise and OpenEvidence offer free plans?
Atomwise: Paid only. OpenEvidence: Yes, has a free plan.
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