Figure AI vs Substrate
Which Infrastructure AI tool is better in 2026?
Figure AI
General-purpose humanoid robots
Substrate
The platform for agentic AI, providing infrastructure for intelligent software with elegant abstractions and high-performance components.
Side-by-side
Figure AI is the more established option (raised $1.7B), but Substrate is cheaper to start.
| Metric | Figure AI | Substrate |
|---|---|---|
| Taglinei | General-purpose humanoid robots | The platform for agentic AI, providing infrastructure for intelligent software with elegant abstractions and high-performance components. |
| Foundedi | 2022🏆 | — |
| HQi | San Jose, US | — |
| Employeesi | 200-500🏆 | — |
| Neuron scorei | 90🏆 | 57 |
| Total fundingi | $1.7B🏆 | Undisclosed |
| Latest roundi | Series C · Sep 2025 | — |
| Valuationi | $39B🏆 | — |
| Cheapest paid plani | — | Starter · $30/mo🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Enterprise / Custom · Contact sales | Pro · $500/mo |
| Pricing summaryi | 1 published plans | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Figure AI and Substrate.
| Capability | Figure AI | Substrate |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (Python, TypeScript) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Figure AI
- Has raised more capital ($1.7B vs Undisclosed)
- Higher Neuron score (90 vs 57)
- Newer company (2022)
- Verified profile
🔵 Strengths of Substrate
- Lower starting price ($30/mo)
Which should you choose?
Choose Substrate if price matters most — it starts at Usage · From $30/mo, which is friendlier for teams watching burn. Both AI Infrastructure tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Figure AI if you want the most established option — it has raised $1.7B, 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
Figure AI vs Substrate — which is better?
It depends on your priority. Figure AI has raised more capital and is the more established option; Substrate is cheaper to start. See the side-by-side table above.
Is Figure AI cheaper than Substrate?
No — Substrate's cheapest paid plan is Starter · $30/mo, while Figure AI's is Enterprise · Contact sales.
Do Figure AI and Substrate offer free plans?
Figure AI: Paid only. Substrate: Paid only.
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