Appian vs Glean

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Glean is the stronger AI pick in AI Agents: it has a visibility score of 0.9 versus 0.3 for Appian.

You need SOC 1 or SOC 2 or SOC 3 or PCI DSS or FedRAMP Moderate or FedRAMP High or DISA IL5 provisional authorization coverage
You prefer a larger, established vendor (1,001–5,000 employees)
heavy-duty workflow automation and process orchestration
strong case management

Latest weekly run · Nov 3

The stronger value in each row is marked with a ✓.

Weekly runs over the last 60 days

Appian 0pp · Glean 0pp over 0 weekly runs.

Glean leads on 2 of 3 engines

ChatGPT

2.8%

AI Mode

Perplexity

0.9%

AppianGlean

0 engine answers name both brands

0Appian ranked higher

0Glean ranked higher

Dimension	Appian	Glean
Pricing model	Per seat	—
Entry price	Contact sales	—
Free plan	Yes	—
Deployment	Appian Cloud, with a separate Government Cloud for federal customers, plus self-managed and hybrid options	Per-customer search model stored in the customer's VPC
Integrations	—	250+
Compliance	SOC 1, SOC 2, SOC 3, ISO 27001, HIPAA, PCI DSS, FedRAMP Moderate, FedRAMP High, DISA IL5 provisional authorization	ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR
Support	Appian Customer Success program, Appian Guarantee for first app delivery in 8 weeks or less	Help Center
Founded	1999	2019
Headquarters	McLean, Virginia	San Francisco, CA
Employees	1,001–5,000	501–1,000
Funding	IPO on Nasdaq (APPN) at $12 per share · $85M raised	Seed or early-stage round (emerged from stealth) · $765M raised
Best for	Large enterprises and government bodies running complex, document-intensive, high-volume processes that depend on operational context	Large enterprises that want AI answers and agents grounded in their own permission-aware company data