Retell AI
Conversational AI & Assistants34 vendorsUpdated Nov 10, 202612 added, 1 removedretellai.comSubprocessor list
Conversational voice AI platform
Retell AI uses 34 subprocessors and infrastructure vendors, including AWS, Google Cloud and OpenAI, based on its public subprocessor list. Last checked Nov 10, 2026.
AI Stack · 12
Infrastructure · 22
AI Stack
Vector Databases
Model Serving
Foundation Models
Voice & Speech AI
67 companies
Speech-to-Text Services
36 companies
Text-to-Speech Model Provider
78 companies
Speech-to-Text Services
130 companies
Text-to-Speech Model Provider
View their stack →
2 companies
Text-to-Speech Model Provider
16 companies
Speech-to-Text Services
13 companies
Text-to-Speech Model Provider: US
AI Observability
Infrastructure
Cloud & Networking
Compliance & Security
Auth & Identity
Communications
Observability
Billing & Payments
Analytics & BI
CRM & Support
Model labs reached through vendors 3
Retell AI does not list these model providers. Vendors on its list name them on their own subprocessor lists.
- SpaceXAIthroughCloudflare,Vercel,ElevenLabs
- Google (Gemini)throughMixpanel,ElevenLabs
- CoherethroughVanta
Named on vendor websites 1
These vendors name Retell AI as a customer on their own website. They are not on Retell AI’s subprocessor list.
Changes
Mar 20, 2026 to Nov 10, 2026Source
Removed 1
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