All3 vs OpenSpace
Which Construction AI tool is better in 2026?
All3
AI architecture and construction robotics to triple building productivity
OpenSpace
AI-powered construction site documentation via 360-degree video.
Side-by-side
OpenSpace is the more established option (raised $168M); pricing is comparable on both sides.
| Metric | All3 | OpenSpace |
|---|---|---|
| Taglinei | AI architecture and construction robotics to triple building productivity | AI-powered construction site documentation via 360-degree video. |
| Foundedi | 2024 | 2017🏆 |
| HQi | London, GB | US |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 55🏆 | 43 |
| Total fundingi | $25M | $168M🏆 |
| Latest roundi | Seed · Apr 2026 | Series D · Aug 2022 |
| Valuationi | — | $902M🏆 |
| 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 All3 and OpenSpace.
| Capability | All3 | OpenSpace |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of All3
- Higher Neuron score (55 vs 43)
- Offers a free plan
- Offers a free trial
- Newer company (2024)
🔵 Strengths of OpenSpace
- Has raised more capital ($168M vs $25M)
- More mature (2017)
Which should you choose?
Choose OpenSpace if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Construction tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose OpenSpace if you want the most established option — it has raised $168M, 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
All3 vs OpenSpace — which is better?
It depends on your priority. All3 is the leaner option; OpenSpace has broader feature depth. See the side-by-side table above.
Is All3 cheaper than OpenSpace?
No — OpenSpace's cheapest paid plan is Enterprise · Contact sales, while All3's is Free.
Do All3 and OpenSpace offer free plans?
All3: Yes, has a free plan. OpenSpace: Paid only.
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