Liquid AI vs Physical Intelligence
Which Foundation Models AI tool is better in 2026?
Liquid AI
Efficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale.
Physical Intelligence
Foundation models for physical world AI
Side-by-side
| Liquid AI | Physical Intelligence | |
|---|---|---|
| Tagline | Efficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale. | Foundation models for physical world AI |
| Founded | 2023 | 2023 |
| HQ | Boston, US | San Francisco, US |
| Employees | 51-200 | 100-200 |
| Total funding | $300M | $735M |
| Latest round | series-b | Series B |
| Valuation | — | $2.7B |
| Cheapest paid plan | — | — |
| Free plan | ✓ Playground | ✗ |
| Free trial | ✓ | ✗ |
| Top tier price | Enterprise · Contact sales | Enterprise / Partner · Contact sales |
| Pricing summary | 2 published plans | 1 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Liquid AI and Physical Intelligence.
| Capability | Liquid AI | Physical Intelligence |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (Python) | 1 (Python) |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Liquid AI
- Higher Neuron score (75 vs 63)
- Offers a free plan
- Offers a free trial
🔵 Strengths of Physical Intelligence
- Has raised more capital ($735M vs $300M)
- Verified profile
Which should you choose?
Choose Physical Intelligence if price matters most — it starts at Enterprise · Contact sales, 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 Physical Intelligence if you want the most established option — it has raised $735M, 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
Liquid AI vs Physical Intelligence — which is better?
It depends on your priority. Liquid AI is the leaner option; Physical Intelligence has broader feature depth. See the side-by-side table above.
Is Liquid AI cheaper than Physical Intelligence?
No — Physical Intelligence's cheapest paid plan is Enterprise · Contact sales, while Liquid AI's is Free.
Do Liquid AI and Physical Intelligence offer free plans?
Liquid AI: Yes, has a free plan. Physical Intelligence: Paid only.
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