Notion AI vs Proton
Which Productivity AI tool is better in 2026?
Notion AI
Connected AI workspace
Proton
Privacy-first encrypted suite with Lumo AI, mail, VPN, drive, and password manager
Side-by-side
Notion AI leads on both fronts — more capital raised ($270M) and a lower entry price than Proton.
| Metric | Notion AI | Proton |
|---|---|---|
| Taglinei | Connected AI workspace | Privacy-first encrypted suite with Lumo AI, mail, VPN, drive, and password manager |
| Foundedi | 2013🏆 | 2014 |
| HQi | San Francisco, US | Geneva, Switzerland |
| Employeesi | 501-1000 | 500🏆 |
| Neuron scorei | 77🏆 | 26 |
| Total fundingi | $270M🏆 | Undisclosed |
| Latest roundi | Secondary · Jan 2026 | — |
| Valuationi | $11B🏆 | — |
| Cheapest paid plani | Plus · $8/mo🏆 | Pricing not disclosed |
| Free plani | ✓ Free | ✓ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Business · $15/mo | Pricing not disclosed |
| Pricing summaryi | 4 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Notion AI and Proton.
| Capability | Notion AI | Proton |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (JavaScript) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✓ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of Notion AI
- Has raised more capital ($270M vs Undisclosed)
- Higher Neuron score (77 vs 26)
- Offers a free trial
- Lower starting price ($8/mo)
🔵 Strengths of Proton
- Newer company (2014)
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 Productivity tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Notion AI if you want the most established option — it has raised $270M, 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
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
Notion AI vs Proton — which is better?
It depends on your priority. Notion AI has raised more capital and is the more established option; Proton has broader feature depth. See the side-by-side table above.
Is Notion AI cheaper than Proton?
Yes — Notion AI's cheapest paid plan is Plus · $8/mo, while Proton's is Free.
Do Notion AI and Proton offer free plans?
Notion AI: Yes, has a free plan. Proton: Yes, has a free plan.
Explore more AI Productivity tools
Contextual paths to related AI startups, deals and rankings.