
Quick Info
What is Assembly AI?
AssemblyAI provides speech-to-text APIs for developers. It offers accurate transcription, speaker diarization, content moderation, and summarization capabilities for audio and video content.
Key Capabilities
Speech-to-text API
Connect with your stack
Speaker diarization
Core Assembly AI capability
Sentiment analysis
Core Assembly AI capability
Summarization
Core Assembly AI capability
Real-time transcription
Lightning-fast results
Content moderation
Core Assembly AI capability
Real-world use cases
See how leading companies are leveraging Assembly AI to transform their workflows


Earmark

Jiminny

Apollo.io
ProductUses AssemblyAI for sales call transcription and intelligence

CallRail
ProductUses AssemblyAI speech recognition to help 200,000+ small businesses convert conversations into actionable intelligence

Kapwing
Building successful AI-first features, and how that included partnering with AssemblyAI
Companies using Assembly AI


















What users say about Assembly AI
Trusted by teams at EdgeTier, Jiminny, and Earmark
“The transcript quality is critical, both for user perception and our AI models. Once you lose trust in transcript accuracy, you erode trust in the product. For text classification, phrase detection, and agent evaluation, the language has to be correct - otherwise, the whole system falls apart.”
“AssemblyAI has a real high-touch personal service. It's a great partnership and we're very collaborative and get to test new AI models early and work together. And AssemblyAI is really pushing boundaries, helping us create a well-rounded conversation intelligence platform.”
“The cost saving is literally the difference between being profitable or not for us, but beyond the economics, AssemblyAI gave us something invaluable: peace of mind. We can focus on building our product instead of worrying about infrastructure limits.”
“I love how AssemblyAI delivers outstanding transcription accuracy even on noisy or low-quality audio. The SDKs, documentation and code samples made integration into our codebase very easy and almost instantaneous.”
“The speed difference is immediately noticeable - our users see their conversations transcribed almost instantaneously. It feels so much more responsive than what we were using before.”
“I really appreciate the accuracy of AssemblyAI - Speech to Text API; its transcription quality is excellent even with challenging audio and speech patterns, which is critical for us.”
Assembly AI adoption by industry
See which industries are leading the adoption of Assembly AI
Compare Assembly AI with alternatives



Frequently asked questions about Assembly AI
Assembly AI is used by 22 companies including Calabrio, Earmark, Jiminny. These organizations leverage Assembly AI for speech & audio api capabilities.
📊 Assembly AI is tracked by UsedBy.ai with 22 verified company adoptions, primarily in Marketing Tech.

Loop
Runway
Delphi
EchoAI
Nylas