Mainframe vs Moonshot AI
Which Agents AI tool is better in 2026?
Mainframe
Building interfaces for the future where operating systems are built around actions, not apps, powered by AI.
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 Mainframe.
| Metric | Mainframe | Moonshot AI |
|---|---|---|
| Taglinei | Building interfaces for the future where operating systems are built around actions, not apps, powered by AI. | Maker of Kimi — the long-context AI chatbot. |
| Foundedi | 2026 | 2023🏆 |
| HQi | — | Beijing, CN |
| Employeesi | 1-10 | 201-500🏆 |
| Neuron scorei | 32 | 82🏆 |
| Total fundingi | Undisclosed | $3B🏆 |
| Latest roundi | — | Series C · May 2026 |
| Valuationi | — | $20B🏆 |
| Cheapest paid plani | Pro · $20/mo | —🏆 |
| Free plani | ✓ Starter | ✓ Kimi Free |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pro · $20/mo | — |
| Pricing summaryi | 2 published plans | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Mainframe and Moonshot AI.
| Capability | Mainframe | Moonshot AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (python, javascript) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Mainframe
- Offers a free trial
- Newer company (2026)
🔵 Strengths of Moonshot AI
- Has raised more capital ($3B vs Undisclosed)
- Higher Neuron score (82 vs 32)
- 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
Mainframe vs Moonshot AI — which is better?
It depends on your priority. Mainframe is the leaner option; Moonshot AI is cheaper to start. See the side-by-side table above.
Is Mainframe cheaper than Moonshot AI?
No — Moonshot AI's cheapest paid plan is Free, while Mainframe's is Pro · $20/mo.
Do Mainframe and Moonshot AI offer free plans?
Mainframe: Yes, has a free plan. Moonshot AI: Yes, has a free plan.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.