Grammarly vs Notion AI
Which Agents AI tool is better in 2026?
Grammarly
AI writing assistant for individuals and teams.
Notion AI
Connected AI workspace
Side-by-side
Grammarly is the more established option (raised $1.2B), but Notion AI is cheaper to start.
| Metric | Grammarly | Notion AI |
|---|---|---|
| Taglinei | AI writing assistant for individuals and teams. | Connected AI workspace |
| Foundedi | 2009🏆 | 2013 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 1001-5000 | 501-1000🏆 |
| Neuron scorei | 84🏆 | 69 |
| Total fundingi | $1.2B🏆 | $270M |
| Latest roundi | Growth · May 2025 | Secondary · Jan 2026 |
| Valuationi | $13B🏆 | $11B |
| Cheapest paid plani | Pro (Annual) · $12/mo | Plus · $10/mo🏆 |
| Free plani | ✓ Free | ✓ Free |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pro (Monthly) · $30/mo | Business · $20/mo |
| Pricing summaryi | 6 published plans | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Grammarly and Notion AI.
| Capability | Grammarly | Notion AI |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 1 (JavaScript) | 1 (JavaScript) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✓ | ✓ |
🟢 Strengths of Grammarly
- Has raised more capital ($1.2B vs $270M)
- Higher Neuron score (84 vs 69)
- More mature (2009)
🔵 Strengths of Notion AI
- Lower starting price ($8/mo)
- Newer company (2013)
- Verified profile
Which should you choose?
Choose Notion AI if price matters most — it starts at Free · From $8/mo, 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 Grammarly if you want the most established option — it has raised $1.2B, 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.
Notion + Notion AI free for students
Verified students and educators get Notion Plus with Notion AI free — same plan companies pay for.
Terms: Requires .edu email verification.
Frequently asked questions
Grammarly vs Notion AI — which is better?
It depends on your priority. Grammarly has raised more capital and is the more established option; Notion AI is cheaper to start. See the side-by-side table above.
Is Grammarly cheaper than Notion AI?
No — Notion AI's cheapest paid plan is Plus · $10/mo, while Grammarly's is Pro (Annual) · $12/mo.
Do Grammarly and Notion AI offer free plans?
Grammarly: Yes, has a free plan. Notion AI: Yes, has a free plan.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.