BotBuilder.online

Build Voice AI That Actually Talks Back

Add voice to your agents for web, mobile, or phone with ultra-low latency and full control. Works with any LLM.

How It Works

The Conversational AI flow that powers every interaction.

USER โ†’ SPEECH TO TEXT โ†’ AGENT โ†” LLM
TEXT TO SPEECH FUNCTION CALLING MONITORING
๐Ÿง  Conversational AI Toolkit

Combine Speech to Text, LLM, and TTS with logic for turn taking and interruptions to enable fluid voice interaction.

โšก Low Latency, High Quality

Turbo TTS with fine-tuned STT delivers near-instant response time in real-world environments.

๐Ÿงญ Smart Turn Taking

Our system detects speaker intent and interruptions for natural back-and-forth flow.

๐Ÿงฌ Bring Any LLM

Use GPT, Claude, Gemini or your custom model โ€” interchangeable anytime.

๐Ÿ”Œ External Function Calling

Trigger real-time actions with APIs or databases โ€” perfect for agents that need to โ€œdo things.โ€

๐ŸŽ™๏ธ Thousands of Voices

Access a massive voice library or clone your own to match your use case.

๐Ÿ“ Built on Your Knowledge Base

Upload docs and URLs to instantly teach your agent about your business or product.

๐Ÿงพ Audit and Evaluate

Recordings, transcripts, and auto-assessment tools help you monitor performance and quality.

๐ŸŒ 31 Languages

Create voice agents that speak fluently across global markets.

Use Cases

๐Ÿค
Customer Support

Handle inquiries, returns, and upsells with 24/7 voice agents.

๐Ÿ“š
Education

Deliver adaptive, personalized learning through conversation.

๐Ÿ“…
Scheduling

Natural language booking, rescheduling, and reminders.

๐Ÿ“ž
Outbound Sales

Automate lead calls and qualification with custom voice agents.

๐ŸŽฎ
Gaming

Voice-based NPCs that adapt to player decisions in real time.

๐ŸŒŸ
Fan Engagement

Simulate real-time conversations with fictional or public figures.

Simple, Transparent Pricing

200 free minutes on Business Plan. Just $0.18/min after that.

Includes LLM, STT, and TTS โ€” no hidden fees.

Start Building Free

Ready to hear your agent speak?

๐ŸŽง Listen to Examples

Audio Examples

General Assistant
Tech Support Voice
Outbound Sales