Cal AI vs OpenEvidence
Which Healthcare AI tool is better in 2026?
Cal AI
Snap a photo of your food and get instant calorie and macro tracking with AI
OpenEvidence
AI medical assistant for clinicians
Side-by-side
OpenEvidence is the more established option (raised $735M), but Cal AI is cheaper to start.
| Metric | Cal AI | OpenEvidence |
|---|---|---|
| Taglinei | Snap a photo of your food and get instant calorie and macro tracking with AI | AI medical assistant for clinicians |
| Foundedi | 2023 | 2022🏆 |
| HQi | New York, United States | San Francisco, US |
| Employeesi | — | 50-200🏆 |
| Neuron scorei | 30 | 63🏆 |
| Total fundingi | Undisclosed | $735M🏆 |
| Latest roundi | Acquisition | Series D · Jan 2026 |
| Valuationi | — | $12B🏆 |
| Cheapest paid plani | From $2/mo🏆 | — |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Free trial · From $2/mo | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Cal AI and OpenEvidence.
| Capability | Cal AI | OpenEvidence |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (TypeScript, Python) |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Cal AI
- Offers a free trial
- Lower starting price ($2/mo)
- Newer company (2023)
🔵 Strengths of OpenEvidence
- Has raised more capital ($735M vs Undisclosed)
- Higher Neuron score (63 vs 30)
- More mature (2022)
- Verified profile
Which should you choose?
Choose Cal AI if price matters most — it starts at Free trial · From $2/mo, 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
Cal AI vs OpenEvidence — which is better?
It depends on your priority. Cal AI is the leaner option; OpenEvidence has broader feature depth. See the side-by-side table above.
Is Cal AI cheaper than OpenEvidence?
Yes — Cal AI's cheapest paid plan is Free trial · From $2/mo, while OpenEvidence's is Freemium.
Do Cal AI and OpenEvidence offer free plans?
Cal AI: Free trial only. OpenEvidence: Paid only.
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