Aethris vs Chai AI
Which Companions AI tool is better in 2026?
Aethris
AI companion experience built around lifelike conversational characters
Chai AI
Social AI platform for chatting with AI characters
Side-by-side
Aethris and Chai AI look closely matched across funding and pricing — feature fit will likely decide.
| Metric | Aethris | Chai AI |
|---|---|---|
| Taglinei | AI companion experience built around lifelike conversational characters | Social AI platform for chatting with AI characters |
| Foundedi | — | 2021🏆 |
| HQi | — | Palo Alto, US |
| Employeesi | 1-10 | 11-50🏆 |
| Neuron scorei | 46 | 63🏆 |
| 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 Aethris and Chai AI.
| Capability | Aethris | Chai AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Aethris
- Strong in AI Companions
🔵 Strengths of Chai AI
- Higher Neuron score (63 vs 46)
- Newer company (2021)
Which should you choose?
Choose Chai 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 Chai 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
Aethris vs Chai AI — which is better?
It depends on your priority. Aethris is the leaner option; Chai AI has broader feature depth. See the side-by-side table above.
Is Aethris cheaper than Chai AI?
No — Chai AI's cheapest paid plan is Free, while Aethris's is Free.
Do Aethris and Chai AI offer free plans?
Aethris: Yes, has a free plan. Chai AI: Yes, has a free plan.
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