Kumo vs Slingshot AI
Which Foundation Models AI tool is better in 2026?
Kumo
Relational foundation model for predictive AI
Slingshot AI
Foundation model and AI app for mental health
Side-by-side
| Kumo | Slingshot AI | |
|---|---|---|
| Tagline | Relational foundation model for predictive AI | Foundation model and AI app for mental health |
| Founded | 2021 | 2023 |
| HQ | Mountain View, US | New York, US |
| Employees | 51-100 | 51-100 |
| Total funding | $37M | $93M |
| Latest round | Series B · Sep 2022 | Series A extension · Jul 2025 |
| Valuation | — | — |
| Cheapest paid plan | — | Pricing not disclosed |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Top tier price | Enterprise Platform · Contact sales | Pricing not disclosed |
| Pricing summary | 1 published plans | Freemium |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Kumo and Slingshot AI.
| Capability | Kumo | Slingshot AI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 1 (python) | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Kumo
- Offers a free trial
- More mature (2021)
🔵 Strengths of Slingshot AI
- Has raised more capital ($93M vs $37M)
- Higher Neuron score (80 vs 48)
- Newer company (2023)
Which should you choose?
Choose Slingshot AI if price matters most — it starts at Freemium, which is friendlier for teams watching burn. Both Foundation Models tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Slingshot AI if you want the most established option — it has raised $93M, 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
Kumo vs Slingshot AI — which is better?
It depends on your priority. Kumo is the leaner option; Slingshot AI has broader feature depth. See the side-by-side table above.
Is Kumo cheaper than Slingshot AI?
No — Slingshot AI's cheapest paid plan is Freemium, while Kumo's is Enterprise · Contact sales.
Do Kumo and Slingshot AI offer free plans?
Kumo: Free trial only. Slingshot AI: Paid only.
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