Physical Intelligence vs X Square Robot
Which Robotics AI tool is better in 2026?
Physical Intelligence
Foundation models for physical world AI
X Square Robot
Embodied-AI startup building robot foundation models for general robots
Side-by-side
Physical Intelligence is the more established option (raised $600M); pricing is comparable on both sides.
| Metric | Physical Intelligence | X Square Robot |
|---|---|---|
| Taglinei | Foundation models for physical world AI | Embodied-AI startup building robot foundation models for general robots |
| Foundedi | 2023 | 2023 |
| HQi | San Francisco, US | Shenzhen, CN |
| Employeesi | 100-200 | 51-200🏆 |
| Neuron scorei | 67🏆 | 62 |
| Total fundingi | $600M🏆 | $516M |
| Latest roundi | Series B · Nov 2025 | Series B · Apr 2026 |
| Valuationi | $5.6B🏆 | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise / Partner · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Physical Intelligence and X Square Robot.
| Capability | Physical Intelligence | X Square Robot |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (Python) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Physical Intelligence
- Has raised more capital ($600M vs $516M)
- Higher Neuron score (67 vs 62)
- Verified profile
🔵 Strengths of X Square Robot
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose X Square Robot if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Robotics 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 $600M, 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
Physical Intelligence vs X Square Robot — which is better?
It depends on your priority. Physical Intelligence has raised more capital and is the more established option; X Square Robot has broader feature depth. See the side-by-side table above.
Is Physical Intelligence cheaper than X Square Robot?
No — X Square Robot's cheapest paid plan is Free, while Physical Intelligence's is Enterprise · Contact sales.
Do Physical Intelligence and X Square Robot offer free plans?
Physical Intelligence: Paid only. X Square Robot: Yes, has a free plan.
Explore more AI Robotics tools
Contextual paths to related AI startups, deals and rankings.