Nastia AI vs Rubii AI
Which Companions AI tool is better in 2026?
Nastia AI
Uncensored AI companion with chat, voice and image generation
Rubii AI
Immersive AI character roleplay with multi-model support
Side-by-side
Nastia AI and Rubii AI look closely matched across funding and pricing — feature fit will likely decide.
| Metric | Nastia AI | Rubii AI |
|---|---|---|
| Taglinei | Uncensored AI companion with chat, voice and image generation | Immersive AI character roleplay with multi-model support |
| Foundedi | 2023🏆 | 2024 |
| HQi | — | — |
| Employeesi | 11-50 | 11-50🏆 |
| Neuron scorei | 30 | 33🏆 |
| Total fundingi | Undisclosed | Undisclosed |
| Latest roundi | — | — |
| Valuationi | — | — |
| 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 Nastia AI and Rubii AI.
| Capability | Nastia AI | Rubii AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Nastia AI
- More mature (2023)
🔵 Strengths of Rubii AI
- Higher Neuron score (33 vs 30)
- Newer company (2024)
Which should you choose?
Choose Rubii AI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Companions tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Rubii AI if you want the most established option — it has raised Undisclosed, 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
Nastia AI vs Rubii AI — which is better?
It depends on your priority. Nastia AI is the leaner option; Rubii AI has broader feature depth. See the side-by-side table above.
Is Nastia AI cheaper than Rubii AI?
No — Rubii AI's cheapest paid plan is Free, while Nastia AI's is Free.
Do Nastia AI and Rubii AI offer free plans?
Nastia AI: Yes, has a free plan. Rubii AI: Yes, has a free plan.
Explore more AI Companions tools
Contextual paths to related AI startups, deals and rankings.