"We replaced three tools with Yaplet and our response time dropped from 4 hours to 2 minutes. The AI gets it right almost every single time."
Maya K.
Head of Support, SaaS company
Retell AI is a usage-based voice platform: you build a calling agent and pay per minute as call volume grows. Yaplet gives you a support-ready voice agent on one flat plan that shares a single knowledge base with chat, inside a full support platform with 12 more tools.
Side by side
Retell AI is a developer toolkit for building voice agents. Yaplet is a finished support platform. The difference is who does the building.
Comparison reflects each tool's pricing model and standard capabilities, which may change over time. Check Retell AI's site for current plans.
Bundled by default
Retell AI gives you a voice agent and a chat agent, billed per minute and per message, but no support platform around them. Yaplet ships it all as one product: Vex AI is the brain behind both voice and chat, reading the same knowledge base, inside a platform with inbox, help center, AI chat, and 12 more tools, on one flat plan.

Pricing you can forecast
Retell AI bills per minute, so the bill climbs with every call, on top of small monthly fees for phone numbers, extra knowledge bases, and concurrency. Yaplet is one flat plan per organization that bundles voice, chat, and 12 more tools, so your support stack costs the same whether you take 10 calls or 1,000.

No SDK, no telephony setup, no LLM wiring. Add your knowledge base, point a number at Yaplet, and your AI voice agent answers calls today.
Common questions
Short answers. Still unsure? Open a chat. We run on Yaplet ourselves.
Talk to a real person
We can scope your voice setup in 15 minutes.
No. Retell AI is a usage-based platform where you configure a voice agent and pay per minute as call volume grows. Yaplet ships a support-ready voice agent on one flat plan: add your knowledge base, point a phone number at Yaplet, and it answers calls the same day, with chat and 12 more tools included. No SDK or code required.
Vex AI is the brain behind both voice and chat. It reads one shared knowledge base, so an answer you add for chat is also available on calls. On Retell AI voice and chat are separate agents you configure and pay for individually, each billed by usage.
Yaplet's AI voice agent answers inbound calls in 17 languages with 30 voices, low latency, and natural turn-taking. You pick a voice and language per agent, with no extra pipeline to configure.
Retell AI bills per minute, so cost scales with call volume on top of the engineering to build and maintain the agent. Yaplet is one flat plan per organization that bundles voice, chat, knowledge base, and 12 more tools. Your bill stays the same whether you take 10 calls or 1,000.
Yes. Voice is one part of a full support platform: shared inbox, live chat, AI chat agent, help center, newsletter, roadmap, bug reporting, tours, session replays, and affiliates. Retell AI offers voice and chat agents but no surrounding support suite, so you would pair it with separate tools for everything else.
Retell AI gives engineering teams low-level control: custom pipelines, swappable LLMs, fine-grained logic, and the freedom to build any voice flow you can design. If you have developers who want to own the stack and build something bespoke, Retell AI is the stronger choice. Yaplet trades that control for a turnkey agent that works out of the box.
Reviews
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