Search & Research
Glean vs Perplexity.
Both sit in Search & Research, scored on the same six pillars from the same published methodology. Here is where they actually differ.
The short answer
Glean scores higher — 86.3 against 83.1, a margin of 3.2 points. That is the overall answer, not the whole one: the pillar breakdown below is where the decision usually actually gets made.
Glean leads on security & compliance, integrations & ecosystem and maturity & reliability; Perplexity leads on value for money and momentum.
Glean
86.3
Excellent
Enterprise AI search and assistant across all your company's apps.
- From
- Custom enterprise pricing
- Pricing
- Enterprise
- Maturity
- Mature
- Founded
- 2019
Perplexity AI
83.1
Excellent
The AI answer engine with citations, Deep Research and a browser.
- From
- Free / $20 per month (Pro)
- Pricing
- Freemium
- Maturity
- Established
- Founded
- 2022
Pillar by pillar
The same six pillars and fixed weights used for every tool on the site. A lead of fewer than 5 points is not called for either side — these are evidence-backed judgements, not measurements. Read the methodology.
Capability
Level
Value for Money
Perplexity by 11
Security & Compliance
Glean by 17
Integrations & Ecosystem
Glean by 14
Maturity & Reliability
Glean by 10
Momentum
Perplexity by 5
Which one, and when
Pick Glean if
- →compliance and data control decide it — it leads Security & Compliance by 17 points.
- →it has to fit the stack you already run — it leads Integrations & Ecosystem by 14 points.
- →it has to hold up in production from day one — it leads Maturity & Reliability by 10 points.
- →Enterprise knowledge discovery
- →Grounded internal AI assistants
- →Large orgs with scattered tools
The catch
- Enterprise-only pricing and rollout
- Value depends on connector coverage
Pick Perplexity if
- →cost per unit of output is the binding constraint — it leads Value for Money by 11 points.
- →where the product will be in a year matters as much as today — it leads Momentum by 5 points.
- →Market & competitive research
- →Fact-checked answers
- →Analysts and consultants
The catch
- Citation quality depends on underlying web sources
- Publisher/content-licensing disputes create some risk
What each is good at
Glean
- ✓Permissions-aware search across 100+ apps
- ✓Enterprise-grade security and governance
- ✓Agents grounded in company knowledge
Perplexity
- ✓Every answer carries inline citations you can verify
- ✓Deep Research delivers analyst-grade reports quickly
- ✓Model-agnostic: routes across frontier models
Other comparisons in Search & Research
Comparing something else? Build your own side-by-side across any tools in the catalog.