RapidaAI

RapidaAI is an open-source voice AI platform that enables developers to build, deploy, and observe voice agents. It offers zero platform markup and full observability for conversational AI applications.

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At a glance

Pricing

Open Source · Usage-based

Free tier

Yes

API

Yes

Skill level

Technical

About

What is RapidaAI?

RapidaAI is an open-source voice AI platform designed for building, deploying, and observing voice agents across various channels like Phone, Web, WhatsApp, and SIP. It distinguishes itself by offering zero platform markup, meaning users only pay their direct provider costs for LLMs, STT, TTS, and telephony. The platform provides full observability, including per-call latency waterfalls, tool call traces, conversation replay timelines, and cost-per-call attribution. RapidaAI supports self-hosting for free, allowing users to run the entire platform on their own servers without license fees or feature gates. For those who prefer not to manage infrastructure, a managed cloud option is available with usage-based pricing and transparent cost breakdowns. It is production-ready, processing over 10M voice minutes with sub-100ms latency and 99.9% uptime, and supports multi-region deployment and enterprise features.

Best used for

Ideal for developers who need to build and deploy custom voice agents, observe their performance in detail, and maintain full control over their AI stack costs. Especially valuable for those requiring an open-source solution with the flexibility to self-host or use a managed cloud.

Common actions

build voice agents

deploy conversational AI

monitor voice AI performance

integrate voice AI

Capabilities

Key features

Open-source voice AI platform
Zero platform markup
Full observability dashboards
Self-host or cloud deployment
Multi-channel voice agents
Bring-your-own LLM/STT/TTS
Conversation replay timelines

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source · Usage-based

Not publicly disclosed. Check rapida.ai for current pricing.

FAQs

How does RapidaAI's pricing compare to other voice AI platforms?

RapidaAI is open-source with zero platform markup, meaning you only pay your direct provider costs for services like OpenAI, Deepgram, and Twilio. Other platforms often charge an additional $0.05-0.09/min on top of your provider costs, which can significantly increase your total spend.

Can I self-host RapidaAI for free?

Yes, the entire RapidaAI platform, including the agent builder, multi-channel deployment, observability dashboards, and conversation replay, is open-source and free to self-host. You can run it on your own servers using Docker Compose without any license fees, feature gates, or usage limits.

What kind of observability features does RapidaAI offer?

RapidaAI provides comprehensive observability, including per-call latency waterfalls, full tool call traces with parameters and responses, conversation replay timelines, cost-per-call attribution, and real-time failure alerting. This goes beyond basic call logs and recordings offered by many other platforms.

Can I use my existing LLM, STT, and TTS providers with RapidaAI?

Absolutely. RapidaAI is designed to be provider-agnostic, allowing you to integrate any LLM (OpenAI, Anthropic, open-source), STT (Deepgram, Azure, AssemblyAI), TTS (ElevenLabs, PlayHT, Azure), and telephony (Twilio, Vonage, SIP trunks). This lets you leverage existing contracts and volume discounts.

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