C the Signs vs Periodic Labs
Which Healthcare AI tool is better in 2026?
C the Signs
AI platform that identifies patients at risk of cancer at the earliest, most curable stage
Periodic Labs
Creating AI scientists and autonomous laboratories to accelerate scientific discovery, starting with physical sciences.
Side-by-side
Periodic Labs is the more established option (raised $300M); pricing is comparable on both sides.
| Metric | C the Signs | Periodic Labs |
|---|---|---|
| Taglinei | AI platform that identifies patients at risk of cancer at the earliest, most curable stage | Creating AI scientists and autonomous laboratories to accelerate scientific discovery, starting with physical sciences. |
| Foundedi | — | 2025🏆 |
| HQi | — | US |
| Employeesi | 11-50 | 11-50🏆 |
| Neuron scorei | 41 | 64🏆 |
| Total fundingi | $8M | $300M🏆 |
| Latest roundi | Venture | Seed · Sep 2025 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for C the Signs and Periodic Labs.
| Capability | C the Signs | Periodic Labs |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of C the Signs
- Offers a free plan
- Offers a free trial
🔵 Strengths of Periodic Labs
- Has raised more capital ($300M vs $8M)
- Higher Neuron score (64 vs 41)
- Newer company (2025)
Which should you choose?
Choose Periodic Labs 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 Periodic Labs if you want the most established option — it has raised $300M, 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
C the Signs vs Periodic Labs — which is better?
It depends on your priority. C the Signs is the leaner option; Periodic Labs has broader feature depth. See the side-by-side table above.
Is C the Signs cheaper than Periodic Labs?
No — Periodic Labs's cheapest paid plan is Enterprise · Contact sales, while C the Signs's is Free.
Do C the Signs and Periodic Labs offer free plans?
C the Signs: Yes, has a free plan. Periodic Labs: Paid only.
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