Microsoft Agent 365 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 Microsoft Agent 365.
Choose Microsoft Agent 365 if…
- You prefer a larger, established vendor (5,000+ employees)
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 HIPAA or SOC 2 Type II or GDPR or ISO 27001 coverage
- Highly rated by developers and SMBs
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Microsoft Agent 365 | Retell AI |
|---|---|---|
| Visibility score | 0.3% | 2% |
| Change vs last week | New | New |
| Rank in AI Agents | #72 | #42 |
| Share of voice | 0.1% | 0.5% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Microsoft Agent 365 0pp · Retell AI 0pp over 0 weekly runs.
Engine by engine
Retell AI leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Microsoft Agent 365 | Retell AI |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Contact sales |
| Free plan | — | Yes |
| Deployment | Managed through the Microsoft 365 admin center | Cloud platform, with enterprise on-premises deployment available |
| Compliance | — | HIPAA, SOC 2 Type II, GDPR, ISO 27001 |
| Support | — | Community and email support, 24/7 omnichannel support with dedicated portal (Enterprise), Dedicated implementation support (Enterprise), Named account manager (Enterprise) |
| Founded | 2025 | 2023 |
| Headquarters | Redmond, Washington | Redwood City, California |
| Employees | 5,000+ | 51–200 |
| Funding | — | Seed · $5M raised |
| Best for | — | 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
Microsoft Agent 365
Pricing not available.
Retell AI
Pros and cons
Themes from the AI answers that mention each brand
Microsoft Agent 365
Profile in progress.
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, “Microsoft Agent 365 vs Retell AI”, https://slateindex.ai/compare/microsoft-agent-365-vs-retell-ai, data of Nov 3, 2026. Licence: CC BY 4.0.