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AppianSerious AI. Built on Process.
vs
Retell AIAI Voice Agents That Automate Phone Calls
Comparison · AI Agents · weekly run Nov 3

Appian vs Retell AI

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

The short answer

Retell AI is the stronger AI pick in AI Agents: it has a visibility score of 2 versus 0.3 for Appian.

Choose Appian if…

  • 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
  • heavy-duty workflow automation and process orchestration

Choose Retell AI if…

  • You want the brand AI engines rank higher (2 vs 0.3)
  • You need a self-hosted or on-premises option
  • You need SOC 2 Type II or GDPR coverage
  • Usage-based pricing suits your budget better than per seat

AI visibility side by side

Latest weekly run · Nov 3

Metric Appian Retell AI
Visibility score0.3%2%
Change vs last weekNewNew
Rank in AI Agents#71#42
Share of voice0.1%0.5%
Mentions this run13
Positive in AI answers38%—

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

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 3Appian 0%

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

Engine by engine

Retell AI leads on 3 of 3 engines

ChatGPT
0%
3.1%
AI Mode
0%
2%
Perplexity
0.9%
0.9%
AppianRetell AI

Head to head in AI answers

0 engine answers name both brands

0Appian ranked higher
0Retell AI ranked higher

Features, pricing & fit

DimensionAppianRetell AI
Pricing modelPer seatUsage-based
Entry priceContact salesContact sales
Free planYesYes
DeploymentAppian Cloud, with a separate Government Cloud for federal customers, plus self-managed and hybrid optionsCloud platform, with enterprise on-premises deployment available
ComplianceSOC 1, SOC 2, SOC 3, ISO 27001, HIPAA, PCI DSS, FedRAMP Moderate, FedRAMP High, DISA IL5 provisional authorizationHIPAA, SOC 2 Type II, GDPR, ISO 27001
SupportAppian Customer Success program, Appian Guarantee for first app delivery in 8 weeks or lessCommunity and email support, 24/7 omnichannel support with dedicated portal (Enterprise), Dedicated implementation support (Enterprise), Named account manager (Enterprise)
Founded19992023
HeadquartersMcLean, VirginiaRedwood City, California
Employees1,001–5,00051–200
FundingIPO on Nasdaq (APPN) at $12 per share · $85M raisedSeed · $5M raised
Best forLarge enterprises and government bodies running complex, document-intensive, high-volume processes that depend on operational contextBusinesses that run high call volumes in healthcare, insurance, financial services, logistics and similar fields, and teams that want to build and change voice agents themselves.

Plans side by side

Appian

Community Edition$0free personal development environment
StandardCustomuser/month/app
AdvancedCustomuser/month/app
PremiumCustomuser/month/app
Appian pricing

Retell AI

Pay as you go$0per minute, $0.07-$0.31 for voice agents
EnterpriseCustomcustom pricing
Retell AI pricing

Pros and cons

Themes from the AI answers that mention each brand

Appian

  • heavy-duty workflow automation and process orchestration
  • strong case management
  • suited to regulated industries
  • governed platform for AI agents
  • free Community Edition for evaluation
  • quote-based, less transparent pricing

Retell AI

  • Highly rated by developers and SMBs
  • One of the highest customer star ratings

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “Appian vs Retell AI”, https://slateindex.ai/compare/appian-vs-retell-ai, data of Nov 3, 2026. Licence: CC BY 4.0.