verified
Verdict
Notion AI leads
Notion AI leads the overall Airecmark score 86.7 vs 83.1 (+3.6 pts). Notion AI scores higher on Quality, Features, Value; Grammarly leads on Usability, Performance. Five-dimension deterministic composition, as of 2026-09-06.
Overall Airecmark Score
Notion AI · Notion Labs, Inc.
LEADS
86.7
/ 100 overall
Five-Dimension Breakdown · v2-5dim
Dimension-by-Dimension
Quality
86 · 84
Notion AI
86
Grammarly
84
Features
84 · 78
Notion AI
84
Grammarly
78
Usability
93 · 94
Notion AI
93
Grammarly
94
Performance
84 · 86
Notion AI
84
Grammarly
86
Value
88 · 76
Notion AI
88
Grammarly
76
Overall = 0.25·Quality + 0.20·Features + 0.15·Usability + 0.20·Performance + 0.20·Value — Methodology
Pricing & Plans
Notion AI
Business $20 / member / mo (AI included) · Free tier
Model: subscription
Source: Notion Pricing · checked 2026-09-06
Grammarly
Pro $12 / mo (annual) · Free 100 AI prompts
Model: freemium
Source: Grammarly Plans · checked 2026-09-06
Strengths & Watch-outs
smart_toyNotion AI
Strengths
- check_circleAI bundled into Business plan — no separate add-on
- check_circleWorkspace-wide context (wikis, docs, projects)
- check_circleGentle learning curve for existing Notion teams
Watch-outs
- error_outlineFull AI requires Business tier ($20/member/mo annual)
- error_outlineFree tier only has trial AI capabilities
smart_toyGrammarly
Strengths
- check_circleWorks across 500,000+ apps and sites
- check_circleMature, low-friction correction experience
- check_circleFree tier covers basics
Watch-outs
- error_outlineAdvanced AI prompts capped on Pro (2,000/mo)
- error_outlineBeyond writing assistance, scope is narrower than full AI suites
Both scores are deterministic compositions of the same five dimensions — no manual overrides, no undisclosed weights. See how we score.