New AssemblyAI-TTS-1: Text-to-speech for voice agents. Learn more

customers

All customer stories

Top Voice AI companies are building with Assembly.

See all stories

Zoom leverages AssemblyAI to help advance its AI research and development.

Read the story

Siro achieves a 90% reduction in customer complaints and support tickets.

Watch the video

resources

Documentation API Reference Cookbooks Support Changelog Status

Latest Release

Text-to-Speech API

Our first text-to-speech model, AssemblyAI-TTS-1, is built for voice agents, on live calls. It sounds natural, responds fast, and keeps callers on the line.

Learn more

resources

Blog Partners Research Benchmarks Security

customers

All customer stories

Top Voice AI companies are building with Assembly.

See all stories

Zoom leverages AssemblyAI to help advance its AI research and development.

Read the story

Siro achieves a 90% reduction in customer complaints and support tickets.

Watch the video

resources

Documentation API Reference Cookbooks Support Changelog Status

Latest Release

Text-to-Speech API

Our first text-to-speech model, AssemblyAI-TTS-1, is built for voice agents, on live calls. It sounds natural, responds fast, and keeps callers on the line.

Learn more

resources

Blog Partners Research Benchmarks Security

Partner

AssemblyAI + OpenRouter

OpenRouter is a unified API that routes requests to 400+ models across 70+ providers. Teams running AssemblyAI speech-to-text can pair accurate transcripts with any model in OpenRouter’s catalog.