Platform for creating AI phone agents. Discover the new way to build, test, deploy, and monitor production-ready AI voice agents at scale.
Written by the business, not verified by us.Retell AI (retellai.com) has a 4.9 out of 5 rating on OK.one, based on 103 user reviews collected here. It is listed under Electronics & Technology and its reputation is excellent. Praise is nearly unanimous, with 97% rating it 4 stars or higher; The business has not yet replied to negative reviews; Reviews mostly discuss User experience, Product. Last updated 2026-08-12.
Reviewers overwhelmingly had a great experience with this company, highlighting its remarkable value for building automation tools. Customers frequently praise the highly intuitive user interface and incredibly natural-sounding AI voice agents that make building and deploying solutions completely seamless. Consumers highlight that the platform consistently saves valuable time, simplifies complex workflows, and provides strong reliability for daily business operations. Though some reviewers noted a learning curve, mentioning that the system is not entirely beginner-friendly and requires some initial figuring out. People also pointed out that achieving the best possible results involves careful prompt adjustments, thorough knowledge base tuning, and proper configuration.
Auto-generated from all reviews of this business. For reference only.It seems to me like one of the best voice agent services available for improving prospecting, customer support, and sales. It’s also an excellent opportunity for automation agencies.
Previously, I was using VAPI and mainly Eleven Labs conversational AI. Those are good platforms to practice & for demo purposes, but the features in Retell AI are really used to build production-grade agents. Genuinely, I love Retell AI.
all the tools and ways I'm able to configure an agent so well it's indistinguishable from a person. You guys really cooked with this one, connecting the API and MCP to n8n and codex 5.3 extra high is the unlock.
The whole design is great, everything is well accessible and not hard to understand. Retell does a great job when It comes to explaining every single feature in the docs.
best one i like
Rettel.AI has become an indispensable part of our workflow at Visual Branding. As an agency owner, my priority is ensuring my team can focus on high-level design and development without constant interruptions. This app has completely automated our initial client touchpoints and phone inquiries, allowing my staff to stay focused on their core tasks instead of being distracted by every incoming call. It’s a sophisticated, reliable solution for any business owner looking to reclaim their time and optimize their team's productivity.
I really like how easy the platform is to use and navigate. It has more features than other voice agent platforms and it also has a lot more flexibility with the agents then other platforms. I like the cost as it is very cost effective and I plan on using this platform for a host of things.
Onboarding was quick and easy process so far a great experience
Retell is a great platform for an AI voice agent. The voice detection, accuracy, and efficiency are much better than those of other platforms.
I like your conversation flow and how it helps me to build robust application
Retell makes creating a voice based AI agent about as simple as you could hope for -- but has hooks to allow for much more complicated use cases. Impressed thus far! After implementing the same project in both Vapi and Retell, I prefer Retell.
I loved the services, the free credits are very useful and the service modern
Best AI voice agent quality. Takes Elevenlabs to the next level.
Retell has helped me so much with my company. I dont need 3 people handling phone calls anymore!
Easy to work, also support is great!
It is amazing. User interface is super good.
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