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 score | 0.3% | 2% |
| Change vs last week | New | New |
| Rank in AI Agents | #71 | #42 |
| Share of voice | 0.1% | 0.5% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | 38% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Appian 0pp · Retell AI 0pp over 0 weekly runs.
Engine by engine
Retell AI leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
AppianRetell AI
Head to head in AI answers
0 engine answers name both brands
0Appian ranked higher
0Retell AI ranked higher
Features, pricing & fit
| Dimension | Appian | Retell 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 | Cloud platform, with enterprise on-premises deployment available |
| Compliance | SOC 1, SOC 2, SOC 3, ISO 27001, HIPAA, PCI DSS, FedRAMP Moderate, FedRAMP High, DISA IL5 provisional authorization | HIPAA, SOC 2 Type II, GDPR, ISO 27001 |
| Support | Appian Customer Success program, Appian Guarantee for first app delivery in 8 weeks or less | Community and email support, 24/7 omnichannel support with dedicated portal (Enterprise), Dedicated implementation support (Enterprise), Named account manager (Enterprise) |
| Founded | 1999 | 2023 |
| Headquarters | McLean, Virginia | Redwood City, California |
| Employees | 1,001–5,000 | 51–200 |
| Funding | IPO on Nasdaq (APPN) at $12 per share · $85M raised | Seed · $5M raised |
| Best for | Large enterprises and government bodies running complex, document-intensive, high-volume processes that depend on operational context | Businesses 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
Retell AI
Pay as you go$0per minute, $0.07-$0.31 for voice agents
EnterpriseCustomcustom 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.