Higharc vs Spline
Which Design AI tool is better in 2026?
Higharc
AI-powered connected homebuilding platform
Spline
Design and collaborate in 3D directly in your browser with real-time capabilities.
Side-by-side
Higharc leads on both fronts — more capital raised ($78.7M) and a lower entry price than Spline.
| Metric | Higharc | Spline |
|---|---|---|
| Taglinei | AI-powered connected homebuilding platform | Design and collaborate in 3D directly in your browser with real-time capabilities. |
| Foundedi | 2018🏆 | — |
| HQi | Durham, US | — |
| Employeesi | 51-100🏆 | — |
| Neuron scorei | 80🏆 | 60 |
| Total fundingi | $78.7M🏆 | Undisclosed |
| Latest roundi | Series B · Feb 2024 | — |
| Valuationi | —🏆 | — |
| Cheapest paid plani | —🏆 | Super · $7/mo |
| Free plani | ✗ | ✓ Starter |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise · Contact sales | Team · $15/mo |
| Pricing summaryi | 1 published plans | 3 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Higharc and Spline.
| Capability | Higharc | Spline |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (rest) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Higharc
- Has raised more capital ($78.7M vs Undisclosed)
- Higher Neuron score (80 vs 60)
- Newer company (2018)
🔵 Strengths of Spline
- Offers a free plan
Which should you choose?
Choose Higharc if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Design tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Higharc if you want the most established option — it has raised $78.7M, 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
Higharc vs Spline — which is better?
It depends on your priority. Higharc has raised more capital and is the more established option; Spline has broader feature depth. See the side-by-side table above.
Is Higharc cheaper than Spline?
Yes — Higharc's cheapest paid plan is Enterprise · Contact sales, while Spline's is Super · $7/mo.
Do Higharc and Spline offer free plans?
Higharc: Paid only. Spline: Yes, has a free plan.
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