LMArena vs Moonshot AI
Which Foundation Models AI tool is better in 2026?
LMArena
Crowdsourced leaderboard for ranking AI models
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 LMArena.
| Metric | LMArena | Moonshot AI |
|---|---|---|
| Taglinei | Crowdsourced leaderboard for ranking AI models | Maker of Kimi — the long-context AI chatbot. |
| Foundedi | 2025 | 2023🏆 |
| HQi | Berkeley, United States | Beijing, CN |
| Employeesi | — | 201-500🏆 |
| Neuron scorei | 73 | 76🏆 |
| Total fundingi | $250M | $3B🏆 |
| Latest roundi | Series A · Jan 2026 | Series C · May 2026 |
| Valuationi | $1.7B | $20B🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✓ | ✓ Kimi Free |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | — |
| Pricing summaryi | Free | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for LMArena and Moonshot AI.
| Capability | LMArena | Moonshot AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (python, javascript) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of LMArena
- Offers a free trial
- Newer company (2025)
🔵 Strengths of Moonshot AI
- Has raised more capital ($3B vs $250M)
- Higher Neuron score (76 vs 73)
- 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 Foundation Models 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
LMArena vs Moonshot AI — which is better?
It depends on your priority. LMArena is the leaner option; Moonshot AI is cheaper to start. See the side-by-side table above.
Is LMArena cheaper than Moonshot AI?
No — Moonshot AI's cheapest paid plan is Free, while LMArena's is Free.
Do LMArena and Moonshot AI offer free plans?
LMArena: Yes, has a free plan. Moonshot AI: Yes, has a free plan.
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Contextual paths to related AI startups, deals and rankings.