Aster vs Moonshot AI
Which Agents AI tool is better in 2026?
Aster
The first AI-native AI research lab using agentic workflows to accelerate model discovery.
Moonshot AI
Maker of Kimi — the long-context AI chatbot.
Side-by-side
Moonshot AI leads on both fronts — more capital raised ($3B) and a lower entry price than Aster.
| Metric | Aster | Moonshot AI |
|---|---|---|
| Taglinei | The first AI-native AI research lab using agentic workflows to accelerate model discovery. | Maker of Kimi — the long-context AI chatbot. |
| Foundedi | 2026 | 2023🏆 |
| HQi | San Francisco, US | Beijing, CN |
| Employeesi | — | 201-500🏆 |
| Neuron scorei | 45 | 71🏆 |
| Total fundingi | $500K | $3B🏆 |
| Latest roundi | Seed · Mar 2026 | Series C · May 2026 |
| Valuationi | — | $20B🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✓ Kimi Free |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | — |
| Pricing summaryi | Contact-sales | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Aster and Moonshot AI.
| Capability | Aster | Moonshot AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (python, javascript) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Aster
- Newer company (2026)
🔵 Strengths of Moonshot AI
- Has raised more capital ($3B vs $500K)
- Higher Neuron score (71 vs 45)
- Offers a free plan
- More mature (2023)
Which should you choose?
Choose Moonshot AI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Moonshot AI if you want the most established option — it has raised $3B, 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.
💸 Deals
Kimi by Moonshot — free chat with long context
Moonshot's Kimi assistant is free to use with up to 2M-token context — great for document analysis and long-form chat.
Frequently asked questions
Aster vs Moonshot AI — which is better?
It depends on your priority. Aster is the leaner option; Moonshot AI is cheaper to start. See the side-by-side table above.
Is Aster cheaper than Moonshot AI?
No — Moonshot AI's cheapest paid plan is Free, while Aster's is Contact-sales.
Do Aster and Moonshot AI offer free plans?
Aster: Paid only. Moonshot AI: Yes, has a free plan.
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