Chroma vs OpenEvidence
Which Search AI tool is better in 2026?
Chroma
Open-source search infrastructure for AI with vector, full-text, regex, and metadata search.
OpenEvidence
AI medical assistant for clinicians
Side-by-side
| Chroma | OpenEvidence | |
|---|---|---|
| Tagline | Open-source search infrastructure for AI with vector, full-text, regex, and metadata search. | AI medical assistant for clinicians |
| Founded | 2022 | 2022 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 11-50 | 50-200 |
| Total funding | $20.3M | $735M |
| Latest round | seed | Series D · Jan 2026 |
| Valuation | $75M | $12B |
| Cheapest paid plan | — | — |
| Free plan | ✓ Open Source | ✓ Free for Verified US Physicians |
| Free trial | ✓ | ✗ |
| Top tier price | Enterprise (BYOC) · Contact sales | — |
| Pricing summary | 3 published plans | 1 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Chroma and OpenEvidence.
| Capability | Chroma | OpenEvidence |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 3 (Python, TypeScript, Rust) | 2 (TypeScript, Python) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Chroma
- Higher Neuron score (65 vs 60)
- Offers a free trial
🔵 Strengths of OpenEvidence
- Has raised more capital ($735M vs $20.3M)
- Verified profile
Which should you choose?
Choose Chroma if price matters most — it starts at Open source, which is friendlier for teams watching burn. Both AI Search 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
Chroma vs OpenEvidence — which is better?
It depends on your priority. Chroma is the leaner option; OpenEvidence has broader feature depth. See the side-by-side table above.
Is Chroma cheaper than OpenEvidence?
Yes — Chroma's cheapest paid plan is Free, while OpenEvidence's is Free.
Do Chroma and OpenEvidence offer free plans?
Chroma: Yes, has a free plan. OpenEvidence: Yes, has a free plan.
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