Spirit AI vs X Square Robot
Which Robotics AI tool is better in 2026?
Spirit AI
Embodied-intelligence foundation models for general-purpose humanoid robots
X Square Robot
Embodied-AI startup building robot foundation models for general robots
Side-by-side
X Square Robot is the more established option (raised $516M); pricing is comparable on both sides.
| Metric | Spirit AI | X Square Robot |
|---|---|---|
| Taglinei | Embodied-intelligence foundation models for general-purpose humanoid robots | Embodied-AI startup building robot foundation models for general robots |
| Foundedi | 2024 | 2023🏆 |
| HQi | Beijing, CN | Shenzhen, CN |
| Employeesi | 51-200 | 51-200 |
| Neuron scorei | 62 | 62 |
| Total fundingi | $435M | $516M🏆 |
| Latest roundi | Series A extension · Apr 2026 | Series B · Apr 2026 |
| Valuationi | $1.4B🏆 | — |
| 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 | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Spirit AI and X Square Robot.
| Capability | Spirit AI | X Square Robot |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Spirit AI
- Newer company (2024)
🔵 Strengths of X Square Robot
- Has raised more capital ($516M vs $435M)
- More mature (2023)
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 X Square Robot if you want the most established option — it has raised $516M, 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
Spirit AI vs X Square Robot — which is better?
It depends on your priority. Spirit AI is the leaner option; X Square Robot has broader feature depth. See the side-by-side table above.
Is Spirit AI cheaper than X Square Robot?
No — X Square Robot's cheapest paid plan is Free, while Spirit AI's is Free.
Do Spirit AI and X Square Robot offer free plans?
Spirit AI: Yes, has a free plan. X Square Robot: Yes, has a free plan.
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