Retell AI

It works as advertised

It works as advertised. Easy to set and reliable

The service is good

Easy implementation

Retell AI has the easiest implementation. I needed a voice agent for my local business. I had to get a phone number from a local provider and integrating the phone number with retell was seamless. It worked like magic. Building the agents gets interesting. I have already suggested to few of my friends.

The integration was straightforward and fast

We are very happy with Retell AI. The integration was straightforward and fast, even into an existing setup, which saved us a lot of time. The voice quality is excellent and sounds natural, making conversations feel smooth and professional. The platform is intuitive to use, well documented, and flexible enough to adapt to different use cases. Overall, Retell AI delivers exactly what we were looking for: reliable performance, high-quality speech, and an easy integration process. Highly recommended for anyone looking for a solid AI voice solution.

This is the easiest and most powerful voice AI solution…

This is the easiest voice AI solution to configure and test that I have seen. The developer interface is amazing. The ability to build with just a single prompt or a workflow makes this a very powerful AI builder. I've been working on the contact management and CTI space for over 25 years and this technology is a game changer for contact centers large and small.

Very versatile AI platform

Very versatile AI platform. At the time of me writing this, it is the best one I've seen and I've tried many as an AI consultant.

Retell AI has been a game-changer for…

Retell AI has been a game-changer for our operation. The Conversation Flow builder is powerful and practical. It lets you design real call logic with clean transitions, clear guardrails, and predictable outcomes, while still sounding natural. The function calling is where Retell really separates itself—webhooks and tools plug in smoothly, so the agent can capture leads, confirm details, book appointments, and trigger follow-ups without the experience feeling clunky or robotic. Call quality is strong, and the platform is built for teams that care about performance, compliance, and scale. We’ve been able to standardize our intake, reduce missed calls, and create a consistent customer experience across English and Spanish. If you want a serious voice AI platform that can handle real business workflows, not just demos, Retell AI delivers.

I am very Happy with Retell AI

Retell AI is one of the best platforms…

Retell AI is one of the best platforms to develop voice agents. Their costs are not through the roof like the competition. I will continue to use them for all of my projects.

Retell AI is one of the best platforms…

Retell AI is one of the best platforms I’ve used for building real AI voice agents. The calls sound natural, latency is low, and the API/webhook control makes it super powerful for custom automations. It’s reliable in real customer conversations — not just demos. Great choice if you’re serious about voice AI.

Easy to setup

we find it easy to create our voice agent with Retell AI , would recommend it.

Amazing Retell

Its features are amazing and we are very much satisfied with what we have developed using retell AI. Voice agents are out of the world.

Very good software

Supereasy to use and very simple to get…

Supereasy to use and very simple to get started. And very powerful.

The speed at which I was able to set up…

The speed at which I was able to set up an agent and the quality of its work almost out of the box are impressive. I also see a lot of room for improvement through prompt adjustments and knowledge base tuning.

amazing platform for ai agents

They make the AI voice agents easy by…

They make the AI voice agents easy by integrating all aspects in one platform.

Retellai is the best

Retellai is the best. literraly just type what you want the agent to do and the ai build the agent for you. The agent conversational skills are impeccable, could easily pass for a human. More latitude to improve your agent, its basically 'coding for dummies', where questions you have not asked yet has already been answered

bt montgomeryUnited States · 2 reviews · Verified · Experienced 2026-01-15 · Posted 2026-02-01

I absolutely love the Retell voice AI…

I absolutely love the Retell voice AI platform.I've been building voice agents for SMBs using Retell AI for several months now, and it's become the backbone of my AI automation business. The platform's flex mode is absolutely brilliant - it gives you the perfect balance between structured conversation flow and natural language flexibility. What sets Retell apart is how quickly I can deploy production-ready voice agents. I've built solutions for dental offices, vineyards, and other service businesses, and the ability to create complex conversational flows makes development incredibly efficient. The flex mode specifically allows my agents to handle unexpected turns in conversation while maintaining guard rails for compliance-sensitive industries like healthcare. The integration capabilities with CRMs like Go High Level and telephony through Twilio are seamless. I recently demonstrated a vineyard booking agent that handled everything from wine tasting reservations to event scheduling, and judges were blown away by how natural the conversations felt. Highly recommend for anyone serious about voice AI development.

Moved from Vapi to Retell AI… Best Decision

Moved from Vapi to Retell AI for voice agents for my agency Riseons, best decision I've ever made, much better interface in terms of complex conversational flow agents, much more control over the conversational flows with all the nodes, really took my agents to the next level looking to see where Retell AI goes in the next few months!