Power best-in-class contact center intelligence your customers value

Reduce handle times, boost agent performance, and unlock insights from every conversation—all powered by industry-leading speech recognition and AI.

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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Build voice agent solutions and unlock conversation analytics with enterprise speech AI

Transform routine inquiries into automated experiences while extracting actionable insights from every customer interaction.

Industry leading accuracy for voice agents

Keep your voice agents responsive and reliable with lightning-fast, accurate transcription

  • Real-time transcripts with minimal latency keep voice agents in sync with live conversations
  • Intelligent end-of-turn detection combines acoustic and semantic analysis for natural conversation flow
  • Reliable, unchanging transcripts from the start—so your system can act with confidence before speakers even finish

Unmatched precision for real-time agent assist

Empower human agents with AI-powered insights and guidance during every call

  • Reduce missed critical information by 66% compared to traditional speech recognition
  • Handle challenging audio conditions: crosstalk, background noise, and mobile connections
  • Provide low-latency streaming transcription for live coaching with immediate guidance availability

Advanced conversation intelligence and analytics

Transform customer conversations into actionable business insights with advanced audio intelligence

  • Track agent performance and talk time ratios with speaker separation
  • Surface themes, feedback, and pain points from thousands of conversations
  • Monitor sentiment trends to spot coaching opportunities automatically

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
Amazon
Transcribe
Deepgram
Nova-2
OpenAI
Whisper Large-v3
93.3%
91.7%
90.8%
89.7%

The most comprehensive intelligence suite

Turn every interaction into a powerful data set with advanced features that drive business-critical decisions and capabilities.

Intelligent Endpointing

Customize End of Turn Detection to more accurately detect when one speaker finishes an utterance in Streaming Speech-to-Text.

Auto Punctuation and Casing

Automatically add casing and punctuation of proper nouns to the transcription text.

Developer Toggles

Fine-tune the balance between speed and post-processing with configurable API options for timestamps, formatting, and punctuation.

Speaker Diarization

Reliably detect multiple speakers and what they’re saying with the highest accuracy in the industry.

Topic Detection

Spot trends and ares of importance by identifying key conversation topics.

PII Redaction

Safeguard sensitive information automatically to ensure privacy and compliance.

Modern tools for superior intelligence

Deep dive into the latest insights, trends, and industry breakthroughs for 
all things conversation intelligence.

Turn voice data into unparalleled product experiences

Partner with the leader in Speech AI to build powerful products with breakthrough industry impact.