Mem vs o11: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mem and o11 side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Mem
Your notes organize themselves with AI
Best for you if:
- • You want AI organization
o11
The AI-Native M365 Workspace that supercharges your work across Microsoft 365 tools.
Best for you if:
- • You want observability platform features
| At a Glance | Mem | o11 |
|---|---|---|
Starts at | Free plan, paid from $8/mo, billed monthly Premium plan | Free plan |
Category | Note-Taking Productivity | Productivity Writing & Content |
Rating | 3.0/5 G2 2.3 · Trustpilot 3.6 6 reviews | 4.4/5 G2 4.4 39 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Minimum seat requirements for 'Pro' |
Choose Mem or o11?
Choose Mem if
- You want AI organization
- You want auto-surfacing
- You work in note-taking, not productivity
Choose o11 if
- You want observability platform features
- You want monitoring capabilities
- You work in productivity, not note-taking
In-Depth Analysis
Mem
Your notes organize themselves with AI
Mem's pricing is quite fair, offering a robust Premium tier at $8/month that includes AI features and unlimited notes.
Strengths
- Pro: AI organization
- Pro: Auto-surfacing
- Pro: Natural capture
Weaknesses
- Con: Requires trust in AI
Key features
o11
The AI-Native M365 Workspace that supercharges your work across Microsoft 365 tools.
While a 'Free' tier with basic observability is generous for individual users or small teams exploring the tool, the 'Custom pricing' for 'Pro' makes it impossible to compare value directly.
Watch out
Minimum seat requirements for 'Pro'
Strengths
- Pro: Observability platform features
- Pro: Monitoring capabilities
- Pro: Infrastructure visibility
- Pro: Alerting functionality
- Pro: Developer operations focus
Weaknesses
- Con: Limited documentation available
- Con: Market presence unclear
- Con: Feature differentiation unclear
- Con: Smaller community
- Con: Competition from established tools
Key features
Plans and prices: Mem vs o11
| Tool | Plans and prices | Source |
|---|---|---|
| Mem |
| mem.ai/pricing read Oct 8, 2026 |
| o11 | No plan prices on file | o11.ai read Oct 19, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mem pricing and o11 pricing.
Key Takeaways
Mem
- Choose if you want your notes organize themselves with AI
o11
- Choose if you want the AI-Native M365 Workspace that supercharges your work across Microsoft 365 tools
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings rest on too few reviews to rank (3.0/5 from 6 reviews for Mem, 4.4/5 from 39 reviews for o11; we compare ratings only above 20 reviews on both sides).
- Mem starts at $8/mo, billed monthly; o11 has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Mem and o11 compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings rest on too few reviews to rank (3.0/5 from 6 reviews for Mem, 4.4/5 from 39 reviews for o11; we compare ratings only above 20 reviews on both sides). Mem starts at $8/mo, billed monthly; o11 has no public paid plan price on file. Both have a free plan.
What are Mem and o11 used for?
Mem: Your notes organize themselves with AI. o11: The AI-Native M365 Workspace that supercharges your work across Microsoft 365 tools.
What does Mem cost vs o11?
Mem's cheapest paid plan is Premium at $8/mo, billed monthly; it also has a free plan. o11 has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 19, 2026.
What's the main difference between Mem and o11?
Mem's main strength: AI organization. o11's main strength: observability platform features.