Retell AI
VS Bland AI

Which is better, Retell AI or Bland AI?

It depends on how much of the stack you want one vendor to own. Bland runs its own speech, language and voice models, with no third-party AI in the call path. As of October 2026, Bland offers VPC, on-premise and air-gapped deployment for enterprise buyers. It holds FedRAMP 20x Class A and ISO 27001. On Enterprise, its forward-deployed engineers build the first agent. That suits regulated enterprises that want one managed vendor. Retell suits teams that want to pick their LLM: GPT, Claude, Gemini or their own model. As of October 2026, it is self-serve from $0.07 per minute. HIPAA BAAs and warm transfer come on every plan, with 20 free concurrent calls.

Prototype Agent vs Production Agent

Bland is a voice AI platform that runs its own models and targets regulated enterprises, with self-serve plans for developers.

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The trade-off

Bland bundles its own LLM, speech-to-text and text-to-speech into one rate, as of October 2026. That is $0.14 per minute on Start and $0.12 on Build. Build also has a $299 monthly platform fee. Agents run on Bland's models, not GPT, Claude or Gemini. Warm transfer, BAA and SSO need the Enterprise plan.

Retell is the production voice AI that runs at scale. Built for healthcare, financial services, logistics, and contact centers doing thousands of calls a day.

  • Always runs on the latest LLMs
  • Calls from $0.07/min and $2/month phone numbers
  • Knowledge base, branded calls, real-time variable extraction
  • HIPAA, SOC 2 Type I & II, GDPR, and ISO 27001 on every plan
  • 20 free concurrent calls, more on demand, and greater than 99.9% uptime

Retell offers more capability, less overhead.

Why Retell is Different

A voice agent that scales in production, not just in a sandbox.

Latest LLMs, Not a Single Open-Source Model
Bland AI locks you into one open-source model. Retell continuously integrates the newest LLMs from OpenAI, Anthropic, and beyond, so every call runs on the best conversational intelligence available. One model ages. Retell keeps getting smarter.
Production Ready, Not Developer Heavy
Bland AI needs engineers to configure advanced flows. Retell ships intuitive workflows any PM can run, plus native SIP trunking, knowledge base, branded calls, and real-time variable extraction out of the box. Your product team ships. Your engineers stay focused.
87% Lower Number Cost
$2 vs $15 per number per month, as of October 2026. Bland also charges $0.015 for every unconnected outbound attempt. At scale, that gap is the difference between a POC and a P&L. Cheaper per number. Cheaper at scale.
Enterprise-Grade by Default, Not by Tier
HIPAA, SOC 2 Type I & II, GDPR, and ISO 27001 on every plan. Automatic PII redaction for names, addresses, DOBs, passwords, and PINs. Greater than 99.9% uptime. Bland gates the robust stuff behind its top tier. Compliance shouldn't be an upgrade.
Infrastructure that doesn't blink
Retell was built for 100 million calls a month. Scale isn't a feature. It's the foundation.
Overview

Feature, Pricing & Compliance Breakdown

Bland AI's proprietary (closed-source) LLM limits agent intelligence and customizability. Retell closes that gap with custom LLM support, native telephony, and full enterprise compliance—all included by default, not gated behind higher tiers.

Features
Retell AI
Bland AI
LLM Model
Always integrates the newest frontier LLMs
Single open-source model
Custom LLM Integration
Supported
Enterprise-only
Knowledge base
Smarter retrieval, multi-turn accuracy
Supported, 10 to unlimited by plan
Real-time variable extraction
Supported
Supported
Voice & audio quality
Excellent
Adequate but inconsistent
Latency
Sub-second
Sub-second
Warm transfer
Supported
Supported
Multilingual
55 languages
Supported
IVR & DTMF support
Native with DTMF tone recognition
Supported
Custom telephony
Native SIP trunking
Inbound and outbound SIP
Branded calls
Supported
Not supported
Verified phone numbers
$10/month plus $10 one-time (as of October 2026)
Not supported
Ease of use
Intuitive workflows
Developer-heavy setup
Post-call analytics
Real-time insights, summaries, outcomes
Limited
Pricing
Retell AI
Bland AI
Voice AI
From $0.07/min (as of October 2026)
$0.11–$0.14/min + $0.015 per unconnected outbound
Phone Number
$2.00/month
$15.00/month
Toll Phone Number
$5.00/month
Not Supported
Verified Phone Number
$10/month + $10 one-time setup
Not Supported
Branded Calls
$0.10 per outbound call
Not Supported
Batch Calls
$0.005 per dial
Not Supported
Extra Knowledge Base Slots
10 free, then $8/month each
10 to unlimited by plan (as of October 2026)
Concurrency Add-on
20 free; $8/month per additional slot
Not Supported
Speech-to-Text
Included at no extra cost
Bundled into the per-minute rate (as of October 2026)
Enterprise-Grade
Retell AI
Bland AI
Compliance
HIPAA, SOC2 Type 1 & 2, GDPR, ISO 27001
HIPAA, SOC2 Type 1 & 2, GDPR
Rate Limit
No rate limit
1000/day for lower plan; Enterprise plan will vary
Uptime to date
>99.9%
99.99%
PII Redaction
Automatic redaction of names, addresses, DOBs, passwords, and PINs
Real-time PII redaction
Role-Based Access Control
Supported
Not Supported
Built for Contact Centers, Not Demos

Retell is the AI Voice Platform Enterprise Contact Centers Run On

Retell lets you build, test and deploy AI phone agents that handle real call volume, so your team spends its time on the conversations that need a person.
SOC 2 Type II and HIPAA compliant. Trusted by teams running 1.000+ calls a day.

More Than A Voice Bot

A voice AI that scales with your business, your calls, and your compliance needs.

Cheaper by the minute
$2 vs $15 per number per month, as of October 2026. At production volume, that's real money.
LLM model selector showing available frontier models and per-minute pricing
Frontier LLMs, 55 languages
Always integrates the newest GPT and Claude models. Bland runs a single aging open-source LLM.
Telephony that actually connects
Native SIP trunking, branded call IDs, and verified numbers lift answer rates.
Knowledge Base that scales
Smarter retrieval across multi-turn conversations. Agents sound sharp and accurate on complex calls.

When to Use Each Tool

Use Bland AI when you:

  • Are experimenting with voice AI and want to get started with their AI builder
  • Run basic automation at low volume
  • Are comfortable building on Bland's proprietary model rather than interchangeable LLMs
  • If you aren’t worried about many higher-end capabilities being gated behind enterprise pricing tiers

Bland AI works for demos and small-scale automation.

Use Retell when you:

  • Run production voice calls at scale
  • Need the newest frontier LLMs, not a single open-source model
  • Want the full toolkit: SIP, knowledge base, branded calls, post-call analytics
  • Need HIPAA, SOC 2, GDPR, and ISO 27001 on day one, not gated to enterprise
  • Price matters at 10,000+ minutes per month

Retell excels when the call operation is the product.

FAQ

Common  Questions

What is Retell AI?

Retell is a voice AI platform for building production-grade phone agents. It handles inbound and outbound calls end-to-end — answering the phone, running the conversation, calling your tools, transferring to a human, and closing the task. Teams run Retell in production for support, sales, scheduling, collections, and operations.

How natural does Retell sound on a live call?

Very natural. Retell combines high-quality voice synthesis, sub-second latency, and dynamic turn-taking that adapts to how people actually talk — interruptions, overlap, backchannels, and repairs. Most callers don't realize they're talking to AI until the agent tells them.

How accurate is Retell's speech recognition?

Retell hits 95% speech recognition accuracy in production. That number holds up across accents, background noise, and real-world call conditions — not just studio audio — which is what separates demo-quality voice AI from something you can actually ship.

How reliable is Retell at scale?

Retell is built for high-volume production traffic. Call quality, latency, and accuracy hold steady whether you're running ten concurrent calls or ten thousand, across inbound queues and outbound batch campaigns. Reliability is a first-class requirement, not a stretch goal.

How customizable is the agent behavior?

Retell is API-first and fully programmable. You control the prompt, the tools, the transfer logic, the voice, the model, and the call flow — all through the API. Nothing about the agent is a black box, so you can tune behavior for your exact use case instead of settling for the platform's defaults.

Revolutionize your call operation with Retell