Prototype Agent vs Production Agent
Bland AI is a quick way to prototype a voice bot. Spin up a basic agent on a single open-source LLM. It works for demos and low-stakes automation.
Η Αδυναμία
You get one dated open-source model with $0.09/min calls and $15/month phone numbers. Plus, developer-heavy setup. No knowledge base. No branded calls. No PII redaction.
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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
- $0.07/min calls and $2/month phone numbers
- Knowledge base, branded calls, real-time variable extraction
- HIPAA, SOC 2 Type I & II, and GDPR on every plan
- Unlimited concurrent calls, 99.99% uptime, no rate limits
Retell offers more capability, less overhead.
Γιατί η Retell Είναι Διαφορετική
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.
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.
Your product team ships. Your engineers stay focused.
22% Lower Cost Per Minute, 87% Lower Number Cost
Retell: $0.07/min and $2/month per number.
Bland: $0.09/min, $15/month per number, plus $0.015 for every unconnected outbound attempt. At scale, that gap is the difference between a POC and a P&L.
Cheaper per minute. Cheaper per number. Cheaper at scale.
Bland: $0.09/min, $15/month per number, plus $0.015 for every unconnected outbound attempt. At scale, that gap is the difference between a POC and a P&L.
Cheaper per minute. Cheaper per number. Cheaper at scale.
Enterprise-Grade by Default, Not by Tier
HIPAA, SOC 2 Type I & II, and GDPR on every plan. Automatic PII redaction for names, addresses, DOBs, passwords, and PINs. No rate limits. 99.99% uptime. Bland gates the robust stuff behind its top tier.
Compliance shouldn't be an upgrade.
Compliance shouldn't be an upgrade.
Υποδομή που δεν «ανοιγοκλείνει»
Το ElevenLabs δεν κατασκευάστηκε για 40 εκατομμύρια κλήσεις το μήνα. Η Retell ναι. Η κλίμακα δεν είναι χαρακτηριστικό. Είναι το θεμέλιο.
Επισκόπηση
Ανάλυση Χαρακτηριστικών, Τιμολόγησης & Συμμόρφωσης
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 |  | .svg) |
|---|---|---|
| LLM Model | Always integrates the newest frontier LLMs | Single open-source model |
| Ενσωμάτωση Προσαρμοσμένου LLM | Υποστηρίζεται | Enterprise-only |
| Knowledge base | Smarter retrieval, multi-turn accuracy | Δεν υποστηρίζεται |
| Real-time variable extraction | Υποστηρίζεται | Not 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 | Δεν Υποστηρίζεται |
| Υποστήριξη IVR & DTMF | IVR με αναγνώριση τόνων DTMF | Not native |
| Custom telephony | Native SIP trunking | Not supported |
| Branded calls | Supported | Not supported |
| Verified phone numbers | Included at no extra cost | Not supported |
| Ease of use | Intuitive workflows | Developer-heavy setup |
| Post-call analytics | Real-time insights, summaries, outcomes | Limited |
| Pricing | | |
|---|---|---|
| Voice AI | $0.07/min | $0.11–$0.14/min + $0.015 per unconnected outbound |
| Phone Number | $2.00/month | $15.00/month |
| Toll Phone Number | $5.00/month | Δεν υποστηρίζεται |
| Verified Phone Number | $10/month + $10 one-time setup | Δεν υποστηρίζεται |
| Branded Calls | $0.10 per outbound call | Δεν υποστηρίζεται |
| Batch Calls | $0.005 per dial | Δεν υποστηρίζεται |
| Extra Knowledge Base Slots | 10 free, then $8/month each | Δεν υποστηρίζεται |
| Concurrency Add-on | 20 free; $8/month per additional slot | Δεν υποστηρίζεται |
| Speech-to-Text | Included at no extra cost | Δεν υποστηρίζεται |
| Enterprise-Grade | | |
|---|---|---|
| Συμμόρφωση | HIPAA, SOC2 Type 1 & 2, GDPR | HIPAA, SOC2 Type 1 & 2, GDPR |
| Όριο Ρυθμού | Χωρίς όριο ρυθμού | 1000/ημέρα για το χαμηλότερο πλάνο· το Enterprise πλάνο ποικίλλει |
| Χρόνος λειτουργίας έως σήμερα | 99.99% | 99.99% |
| Απόκρυψη PII | Αυτόματη απόκρυψη ονομάτων, διευθύνσεων, ημερομηνιών γέννησης, κωδικών πρόσβασης και PIN | Δεν υποστηρίζεται |
| Έλεγχος Πρόσβασης Βάσει Ρόλων | Υποστηρίζεται | Δεν υποστηρίζεται |
Φτιαγμένο για contact centers, όχι για demos
Το Retell είναι η πλατφόρμα φωνής AI πάνω στην οποία λειτουργούν τα enterprise contact centers
Το Retell σάς επιτρέπει να δημιουργείτε, να δοκιμάζετε και να αναπτύσσετε τηλεφωνικούς πράκτορες AI που διαχειρίζονται πραγματικό όγκο κλήσεων, ώστε η ομάδα σας να αφιερώνει τον χρόνο της στις συνομιλίες που χρειάζονται άνθρωπο.
More Than A Voice Bot
A voice AI that scales with your business, your calls, and your compliance needs.
Cheaper by the minute
22% less per minute — and $2/month numbers instead of $15. At production volume, that's real money.
Frontier LLMS, 55+ languages
Always integrates the newest GPT and Claude models. Bland runs a single aging open-source LLM.
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Telephony that actually connects
Native SIP trunking, branded call IDs, and verified numbers lift answer rates. Bland offers none of these.
Knowledge Base that scales
Smarter retrieval across multi-turn conversations. Agents sound sharp and accurate on complex calls. Bland has no equivalent.
Πότε να Χρησιμοποιήσετε Κάθε Εργαλείο
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.
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Χρησιμοποιήστε τη Retell όταν:
- 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, and GDPR on day one, not gated to enterprise
- Price matters at 10,000+ minutes per month
Η Retell υπερέχει όταν η λειτουργία κλήσεων είναι το ίδιο το προϊόν.
Συχνές Ερωτήσεις
Συχνές Ερωτήσεις
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.
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