Bland AI vs Retell AI
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Bland AI if you want enterprise platform for ai phone agents that run full voice calls (Autonomous agent, subscription); choose Retell AI if you want platform to build, test, deploy, and monitor ai voice agents for calls (Autonomous agent, usage).
| Bland AI | Retell AI | |
|---|---|---|
| What it is | Enterprise platform for AI phone agents that run full voice calls | Platform to build, test, deploy, and monitor AI voice agents for calls |
| Type | platform | platform |
| Autonomy | Autonomous agent | Autonomous agent |
| Pricing | subscription · Build $299/mo ($0.12/connected min); free Start tier at $0.14/min | usage · $0.07/min voice engine (model + telephony billed on top); Enterprise from $8,000 |
| Best for | mid-market, enterprise, developers | developers, smb, mid-market, enterprise |
| Deployment | saas, api | saas, api |
| Modalities | voice, text, api | voice, text, api |
| Models | proprietary | model-agnostic, gpt, claude |
| Protocols | rest-api, function-calling | rest-api, function-calling |
| Integrations | Twilio, Salesforce, HubSpot, Cal.com, Zapier | Twilio, Telnyx, Vonage, ElevenLabs, PlayHT |
| Capabilities | 4 documented | 4 documented |
Bland AI
- +Owns the full voice stack (STT, LLM, TTS) in-house, optimized for low latency and enterprise-grade reliability at high call volume
- +Conversational Pathways give node-level control over call flow as a guardrail against off-script responses and hallucination
- +Handles live phone calls end to end with live API actions, batch dialing, transcripts, and post-call analytics
- -Proprietary closed stack: no choice of LLM or voice provider, unlike model-agnostic competitors
- -Per-minute connected rates sit at the higher end and real cost depends on plan tier and add-ons
Retell AI
- +Provider-flexible: bring your own telephony, voices, and LLM, or use Retell's built-in carrier
- +Structured Conversation Flow Agents (nodes and transitions) give fine control alongside looser prompt-based agents
- +Usage-based pricing with no mandatory base subscription and free credits to start; built-in testing and monitoring
- -Advertised $0.07/min covers only the voice engine; LLM, telephony, and international add to real per-minute cost
- -Building reliable structured flows for complex calls takes meaningful human setup
Which should you choose?
Bland AI is enterprise platform for ai phone agents that run full voice calls, best for mid-market, enterprise, developers. Retell AI is platform to build, test, deploy, and monitor ai voice agents for calls, best for developers, smb, mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.