Pydantic AIBuild agents you'll actually ship to production
vs
Retell AIAI Voice Agents That Automate Phone Calls
Comparison · AI Agents · weekly run Nov 3
Pydantic AI 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 1.2 for Pydantic AI.
Choose Pydantic AI if…
- Type-safe, production-grade application code
Choose Retell AI if…
- You want the brand AI engines rank higher (2 vs 1.2)
- You need a self-hosted or on-premises option
- You need HIPAA or SOC 2 Type II or GDPR or ISO 27001 coverage
- You prefer a larger, established vendor (51–200 employees)
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Pydantic AI | Retell AI |
|---|---|---|
| Visibility score | 1.2% | 2% |
| Change vs last week | New | New |
| Rank in AI Agents | #54 | #42 |
| Share of voice | 0.4% | 0.5% |
| Mentions this run | 2 | 3 |
| Positive in AI answers | 100% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Pydantic AI 0pp · Retell AI 0pp over 0 weekly runs.
Engine by engine
Retell AI leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
Pydantic AIRetell AI
Head to head in AI answers
0 engine answers name both brands
0Pydantic AI ranked higher
0Retell AI ranked higher
Features, pricing & fit
| Dimension | Pydantic AI | Retell AI |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $49 / mo | Contact sales |
| Free plan | Yes | Yes |
| Deployment | — | Cloud platform, with enterprise on-premises deployment available |
| Compliance | — | HIPAA, SOC 2 Type II, GDPR, ISO 27001 |
| Support | Enterprise tier includes 24/7 priority access to engineers and custom SLAs | Community and email support, 24/7 omnichannel support with dedicated portal (Enterprise), Dedicated implementation support (Enterprise), Named account manager (Enterprise) |
| Founded | — | 2023 |
| Headquarters | California, United States | Redwood City, California |
| Employees | 11–50 | 51–200 |
| Funding | Series A · $17M raised | Seed · $5M raised |
| Best for | Teams building type-safe AI agents that they intend to ship to production | 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
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
Pydantic AI
- Type-safe, production-grade application code
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, “Pydantic AI vs Retell AI”, https://slateindex.ai/compare/pydantic-ai-vs-retell-ai, data of Nov 3, 2026. Licence: CC BY 4.0.