OpenEvidence vs Tempus
Which Healthcare AI tool is better in 2026?
OpenEvidence
AI medical assistant for clinicians
Tempus
Tempus is an AI-powered precision medicine company transforming healthcare through data-driven insights and genomic testing.
Side-by-side
| OpenEvidence | Tempus | |
|---|---|---|
| Tagline | AI medical assistant for clinicians | Tempus is an AI-powered precision medicine company transforming healthcare through data-driven insights and genomic testing. |
| Founded | 2022 | — |
| HQ | San Francisco, US | US |
| Employees | 50-200 | 1000+ |
| Total funding | $735M | Undisclosed |
| Latest round | Series D · Jan 2026 | — |
| Valuation | $12B | — |
| Cheapest paid plan | — | Pricing not disclosed |
| Free plan | ✓ Free for Verified US Physicians | ✗ |
| Free trial | ✗ | ✗ |
| Top tier price | — | Pricing not disclosed |
| Pricing summary | 1 published plans | Enterprise · Contact sales |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for OpenEvidence and Tempus.
| Capability | OpenEvidence | Tempus |
|---|---|---|
| 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 Undisclosed)
- Higher Neuron score (60 vs 16)
- Offers a free plan
- Newer company (2022)
🔵 Strengths of Tempus
- Strong in AI Healthcare
Which should you choose?
Choose Tempus if price matters most — it starts at Enterprise · Contact sales, 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 Tempus — which is better?
It depends on your priority. OpenEvidence has raised more capital and is the more established option; Tempus has broader feature depth. See the side-by-side table above.
Is OpenEvidence cheaper than Tempus?
No — Tempus's cheapest paid plan is Enterprise · Contact sales, while OpenEvidence's is Free.
Do OpenEvidence and Tempus offer free plans?
OpenEvidence: Yes, has a free plan. Tempus: Paid only.
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