Grammarly vs Moonshot AI
Which Agents AI tool is better in 2026?
Grammarly
AI writing assistant for individuals and teams.
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 Grammarly.
| Metric | Grammarly | Moonshot AI |
|---|---|---|
| Taglinei | AI writing assistant for individuals and teams. | Maker of Kimi — the long-context AI chatbot. |
| Foundedi | 2009🏆 | 2023 |
| HQi | San Francisco, US | Beijing, CN |
| Employeesi | 1001-5000 | 201-500🏆 |
| Neuron scorei | 69 | 82🏆 |
| Total fundingi | $1.2B | $3B🏆 |
| Latest roundi | Growth · May 2025 | Series C · May 2026 |
| Valuationi | $13B | $20B🏆 |
| Cheapest paid plani | Pro (Annual) · $12/mo | —🏆 |
| Free plani | ✓ Free | ✓ Kimi Free |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pro (Monthly) · $30/mo | — |
| Pricing summaryi | 6 published plans | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Grammarly and Moonshot AI.
| Capability | Grammarly | Moonshot AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 1 (JavaScript) | 2 (python, javascript) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✓ | ✓ |
🟢 Strengths of Grammarly
- Offers a free trial
- More mature (2009)
🔵 Strengths of Moonshot AI
- Has raised more capital ($3B vs $1.2B)
- Higher Neuron score (82 vs 69)
- Newer company (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
7-day free trial of Grammarly Premium
Try Grammarly Premium free for 7 days — AI writing assistant used by 30M+ daily.
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
Grammarly vs Moonshot AI — which is better?
It depends on your priority. Grammarly is the leaner option; Moonshot AI is cheaper to start. See the side-by-side table above.
Is Grammarly cheaper than Moonshot AI?
No — Moonshot AI's cheapest paid plan is Free, while Grammarly's is Pro (Annual) · $12/mo.
Do Grammarly and Moonshot AI offer free plans?
Grammarly: Yes, has a free plan. Moonshot AI: Yes, has a free plan.
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