Atlan vs Stemma: 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 Atlan and Stemma 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:
Atlan
Modern data workspace for discovery, understanding, and collaboration
Best for you if:
- • You want modern cloud-native architecture
Stemma
Automated data catalog for modern data teams.
Best for you if:
- • You want reduces manual effort in data cataloging
| At a Glance | Atlan | Stemma |
|---|---|---|
Starts at | Not published | Not published |
Category | Data & Databases Analytics | Data & Databases Developer Tools |
Rating | 4.5/5 G2 4.5 134 reviews | n/a |
Free plan | No | No |
Watch out for | Premium support (faster SLAs, dedicated CSM, priority access) costs 10-20% of your annual contract value on top of the base license. | n/a |
Choose Atlan or Stemma?
Choose Atlan if
- You want modern cloud-native architecture
- You want intuitive UI with fast implementation
Choose Stemma if
- You want reduces manual effort in data cataloging
- You want improves data discoverability for data teams
In-Depth Analysis
Atlan
Modern data workspace for discovery, understanding, and collaboration
Atlan is a modern active metadata platform (data catalog) with fully opaque pricing, there are no public prices, and you must talk to sales.
Watch out
Premium support (faster SLAs, dedicated CSM, priority access) costs 10-20% of your annual contract value on top of the base license.
Strengths
- Pro: Modern cloud-native architecture
- Pro: Intuitive UI with fast implementation
- Pro: Automated column-level lineage
- Pro: Strong integration with modern data stack (dbt, Snowflake, etc.)
- Pro: Gartner Magic Quadrant Leader 2026
Weaknesses
- Con: Custom pricing lacks transparency
- Con: Younger product than Alation/Collibra
- Con: May lack some enterprise governance features
- Con: Premium pricing for smaller teams
Key features
Stemma
Automated data catalog for modern data teams.
Strengths
- Pro: Reduces manual effort in data cataloging
- Pro: Improves data discoverability for data teams
- Pro: Enhances trust in data through lineage and governance
- Pro: Accelerates data-driven decision making
Weaknesses
- Con: No explicit free tier mentioned
- Con: Pricing details not publicly available
Key features
Plans and prices: Atlan vs Stemma
| Tool | Plans and prices | Source |
|---|---|---|
| Atlan |
| atlan.com read Sep 29, 2026 |
| Stemma | No plan prices on file | stemma.ai |
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 Atlan pricing and Stemma pricing.
Key Takeaways
Atlan
- Choose if you want modern data workspace for discovery, understanding, and collaboration
Stemma
- Choose if you want automated data catalog for modern data teams
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.
- Only Atlan has a published user rating (4.5/5 from 134 reviews); Stemma has none we can show.
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 Atlan and Stemma 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. Only Atlan has a published user rating (4.5/5 from 134 reviews); Stemma has none we can show.
What are Atlan and Stemma used for?
Atlan: Modern data workspace for discovery, understanding, and collaboration. Stemma: Automated data catalog for modern data teams.
What does Atlan cost vs Stemma?
Atlan has no public paid-plan price on file. Stemma has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Sep 29, 2026.
What's the main difference between Atlan and Stemma?
Atlan's main strength: modern cloud-native architecture. Stemma's main strength: reduces manual effort in data cataloging.