Accurate voice data that powers agentic AI workflows at scale

AssemblyAI’s speech-to-text and speech understanding models are the market leader in accuracy, reliability, and performance — providing the outputs you need to accelerate growth and build enterprise-grade product experiences.

Capturing speech is where it starts. Creating outcomes is where it counts.

Learn why today’s most innovative companies choose us.

90%

Reduction in customer complaints and support tickets

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2X

Conversion rate for their Conversational Intelligence product

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15% improvement

Jiminny scored 15% higher customer win rates after implementing AssemblyAI.

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Assembly is instrumental in our transcription process, providing crucial input for our LLM API to process further. It's become an integral part of our workflow.

Krish Ramineni, CEO and co-founder

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Comprehensive Speech AI capabilities with enterprise-grade infrastructure

Put every word to work, and maximize actionable learnings across all conversations—from customer support to sales calls to internal meetings and more.

Scale globally without hesitation

With low latency and fast turnaround times, you can feel confident that our models will scale to fit your needs.

  • Serving over 600M inference calls per month
  • Over 840M API calls per month
  • Over 40 terabytes of audio processed daily

Keep security and compliance at the forefront

Our team is dedicated to supporting your security and compliance needs, including:

  • Uptime monitoring and vulnerability scans
  • Encryption in transit and at rest
  • SOC 2, ISO 27001, Business Associate Agreement for HIPPA, and PCI-DSS compliance
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Deploy flexibly and customize to fit your needs

From public cloud to multi-region to on-prem deployments, our team will work with you to find a solution that suits your organization’s specific needs.

  • Identify success patterns and areas of opportunity 
with reliable insights powered by top accuracy
  • Sharpen pitch strategies with coaching tips 
based on real industry wins and patterns
  • Assess lead quality accurately based on 
smart content, sentiment, and engagement analysis
Contact us for deployment options

Accuracy where it matters most

Our Speech AI models deliver near-human accuracy even among noisy or challenging audio to capture the crucial details needed for smooth and seamless downstream processes.
The industry’s highest Word Accuracy Rate
AssemblyAI
Universal-2
OpenAI
Whisper Large-v3
Deepgram
Nova-2
AWS
Amazon Transcribe
93.3%
91.7%
90.8%
89.7%

The preferred Speech AI provider for customers across industries

AssemblyAI’s models enable clearer insights, faster workflows, and improved business outcomes for thousands of organizations across use cases and industries.

Conversational Intelligence

Capture the essence of every conversation with precision to power AI notetakers, revenue intelligence, customer insights workflows, and more.

Voice Agents

Convert live audio streams into text with high accuracy and low latency to enable agentic workflows and natural, high-quality customer interactions.

Contact Centers

Improve agent performance, and create better customer experiences by accurately capturing and surfacing insights from millions of conversations.

Medical

Manage post-visit followups, automate notes, and accurately capture doctor-paitent conversations with industry-leading accuracy.

Synthetic Training

Use AssemblyAI’s best-in-class models as a training source for your own AI models and capabilities to unlock faster innovation and breakthroughs.

Captioning

Automatically generate captions from video or audio in seconds, and redact sensitive, personal, or profane language to suit your specific needs.

Built with Enterprise needs in mind

Reduced rates and purchasing options through partners like AWS

Seamless integration with key partners including AWS, Twilio, Cloudflare, and Recall

Opt out of model training without incurring penalties or fees

Comprehensive data classification, retention, and deletion to ensure sensitive info stays secure

Faster processing, uncapped concurrency, and autoscaling

Early access to model improvements and new capabilities

24/7 support and dedicated solution architects

Go live in as little as 24 hours and scale to 100% in weeks

Industry-leading models to unlock breakthrough impact

Power stand-out experiences with the leader in Speech AI to elevate business insights, streamline tasks, and generate real revenue.