New Universal-3.5 Pro is here. Learn more: Async Realtime

platform

Platform overview

Models, APIs, and infrastructure in one place. Build voice into any product, on any stack.

products

Pre-recorded Speech-to-Text API Realtime Speech-to-Text API Sync Speech-to-Text API Speech Understanding API Voice Agent API Guardrails LLM Gateway

deployments

Self-Hosted Voice AI Cloud

use cases

AI Scribes AI Notetakers Agent Assist Call Analytics Conversation Intelligence Dictation Medical Transcription Voice Agents

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.

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

Watch the video

resources

Documentation API Reference Cookbooks Support Changelog Status

Latest Release

Universal 3.5 Pro

Our new flagship speech-to-text model handles real-world audio the way it actually happens. Available for real-time and pre-recorded audio.

Realtime Pre-recorded

resources

Blog Partners Research Benchmarks Security

platform

Platform overview

Models, APIs, and infrastructure in one place. Build voice into any product, on any stack.

products

Pre-recorded Speech-to-Text API Realtime Speech-to-Text API Sync Speech-to-Text API Speech Understanding API Voice Agent API Guardrails LLM Gateway

deployments

Self-Hosted Voice AI Cloud

use cases

AI Scribes AI Notetakers Agent Assist Call Analytics Conversation Intelligence Dictation Medical Transcription Voice Agents

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.

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

Watch the video

resources

Documentation API Reference Cookbooks Support Changelog Status

Latest Release

Universal 3.5 Pro

Our new flagship speech-to-text model handles real-world audio the way it actually happens. Available for real-time and pre-recorded audio.

Realtime Pre-recorded

resources

Blog Partners Research Benchmarks Security

AssemblyAI Startup Program

The AssemblyAI Startup Program is designed for early-stage startups to innovate and build powerful products from voice data without financial constraints, using the industry-leading speech-to-text API.

Get up to 200K hours in free credits
Access all of AssemblyAI's latest features
Explore exclusive co-marketing opportunities
Connect with a global community of innovators

Metaview

Dovetail

Calabrio

Cluely

Genio

Commure

Retell

LiveKit

Tolan

ClickUp

HeyGen

Metaview

Dovetail

Calabrio

Cluely

Genio

Commure

Retell

LiveKit

Tolan

ClickUp

HeyGen

Apply to the program

Our team will review your application and get back to you within 2–3 business days. Need help in the meantime? support@assemblyai.com

Full name *

Your role *

Work email *

API Usage email *

Company name *

Company website *

LinkedIn URL *

Year incorporated *

Company size *

Which product(s) are you interested in? *

Is this your full-time company? *

Product category *

Which best describes your current customers? *

Current monthly speech-to-text hours *

Total funding raised (in USD) *

Latest series of fundraising *

How do you expect usage to change over the next 4 months? *

Describe your product and how customers use speech-to-text in it today (or within the next 4 months) *

What will trigger you to integrate AssemblyAI in the next 30–60 days? *

How did you hear about our Startup Program? *

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