Appian vs Stack AI

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

The short answer

Stack AI is the stronger AI pick in AI Agents: it has a visibility score of 1.4 versus 0.3 for Appian.

AI answers describe it more positively (38% vs 0% positive)
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)
Per seat pricing suits your budget better than usage-based

Latest weekly run · Nov 3

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

Weekly runs over the last 60 days

Appian 0pp · Stack AI 0pp over 0 weekly runs.

Stack AI leads on 3 of 3 engines

ChatGPT

AI Mode

Perplexity

0.9%

4.3%

AppianStack AI

0 engine answers name both brands

0Appian ranked higher

0Stack AI ranked higher

Dimension	Appian	Stack AI
Pricing model	Per seat	Usage-based
Entry price	Contact sales	Contact sales
Free plan	Yes	Yes
Deployment	Appian Cloud, with a separate Government Cloud for federal customers, plus self-managed and hybrid options	Multi-tenant cloud, VPC, or on-premise
Integrations	—	500+
Compliance	SOC 1, SOC 2, SOC 3, ISO 27001, HIPAA, PCI DSS, FedRAMP Moderate, FedRAMP High, DISA IL5 provisional authorization	HIPAA, GDPR, SOC 2 Type II, ISO 27001
Support	Appian Customer Success program, Appian Guarantee for first app delivery in 8 weeks or less	Community support on Discord, Email support, Priority support, Dedicated support
Founded	1999	2023
Headquarters	McLean, Virginia	San Francisco, CA, United States
Employees	1,001–5,000	51–200
Funding	IPO on Nasdaq (APPN) at $12 per share · $85M raised	Series A · $19M raised
Best for	Large enterprises and government bodies running complex, document-intensive, high-volume processes that depend on operational context	IT teams and enterprise architecture teams that need to orchestrate, deploy, govern, and scale AI across the enterprise, including finance, risk and operations teams.