Retell AI
API that helps developers build human-like voice agents
Retell AI launched on February 8, 2024 with 300 votes, #124 of 3,962 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
Retell AI is an API that enables developers to build voice agents with human-like conversational abilities. The platform handles voice interactions with an average response time of 800 milliseconds, matching natural human conversation speed. It is designed for developers who want to create sophisticated voice-based applications without months of development time. The service handles the technical complexity of voice processing and natural language understanding.
written from the facts on this page · September 2026
From the sources
Retell AI provides an API that enables developers to build human-like voice agents. You can now build JARVIS from Iron Man in a day instead of months. Retell AI's response time averages 800ms, reaching the level of human interactions.
Build, test, deploy, and monitor production-ready AI voice agents at scale with ease, boosting efficiency and performance across your operations.
Build, deploy, and manage next-generation AI voice agents that sound human, execute tasks, and scale effortlessly. Discover how businesses use Retell’s AI voice agents to streamline operations, enhance customer service, and scale effortlessly. Build, update, test, and deploy AI voice agents without relying on Retell for every change. Your team stays in control as your operation evolves. Independent benchmarks confirm Retell as the leader in responsiveness. With ~600ms latency, conversations stay smooth and fluent. Proprietary turn-taking model that knows when to stop and when to listen. Handle the workflows that make production call centers complex, from routing and transfers to outbound…from retellai.com
Does a similar job
all alternatives →
Voice bots with 500ms response times2024 · fastvoiceagent.cerebrium.ai · ▲315Last year when GPT-4 was released I started making lots of little voice + LLM experiments. Voice interfaces are fun; there are several interesting new problem spaces to explore. I'm convinced that voice is going to be a bigger and bigger part of how we all interact with generative AI. But one thing that's hard, today, is building voice bots that respond as quickly as humans do in conversation. A 500ms voice-to-voice response time is just barely possible with today's AI models. You can get down to 500ms if you: host transcription, LLM inference, and voice generation all together in one place;…
AI Voices by Asyncflow v1.02025 · async.com · ▲401Premium AI voice quality without the premium price tag.
More ai this month
the category →
Paintings by AI models: programs run through a simulation of oil paint.
AI · 20d ago · stillwet.art
PixVerse R2▲381A real-time world model you can explore and change
AI · 28d ago · world.pixverse.video
Source: Product Hunt launch ↗
Launched alongside, February 2024
the whole month →
MarketingIdeas.com▲1,230Never run out of marketing ideas ever again
Growth · 2024 · marketingideas.com
