Capstan Medical vs FieldAI
Which Robotics AI tool is better in 2026?
Capstan Medical
Robotic and catheter-delivered implants for minimally invasive heart valve repair
FieldAI
Physics-first foundation models that are universal brains for robots
Side-by-side
FieldAI is the more established option (raised $405M); pricing is comparable on both sides.
| Metric | Capstan Medical | FieldAI |
|---|---|---|
| Taglinei | Robotic and catheter-delivered implants for minimally invasive heart valve repair | Physics-first foundation models that are universal brains for robots |
| Foundedi | 2018 | 2016🏆 |
| HQi | Santa Cruz, US | Irvine, US |
| Employeesi | 51-200 | 51-200 |
| Neuron scorei | 66 | 77🏆 |
| Total fundingi | $184M | $405M🏆 |
| Latest roundi | Series C · Jan 2025 | Series A · Aug 2025 |
| Valuationi | — | $2B🏆 |
| 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 | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Capstan Medical and FieldAI.
| Capability | Capstan Medical | FieldAI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Capstan Medical
- Newer company (2018)
🔵 Strengths of FieldAI
- Has raised more capital ($405M vs $184M)
- Higher Neuron score (77 vs 66)
- More mature (2016)
Which should you choose?
Choose FieldAI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Robotics tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose FieldAI if you want the most established option — it has raised $405M, 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
Capstan Medical vs FieldAI — which is better?
It depends on your priority. Capstan Medical is the leaner option; FieldAI has broader feature depth. See the side-by-side table above.
Is Capstan Medical cheaper than FieldAI?
No — FieldAI's cheapest paid plan is Free, while Capstan Medical's is Free.
Do Capstan Medical and FieldAI offer free plans?
Capstan Medical: Yes, has a free plan. FieldAI: Yes, has a free plan.
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