
Overall Score
44
Top 1%
of AI companies
by AssemblyAI🇺🇸
Speech-to-text and audio AI APIs for developers
AssemblyAI provides speech-to-text, audio intelligence, and LeMUR (LLM for audio) APIs. Transcribe, summarize, and analyze audio and video content programmatically.

Overall Score
44
Top 1%
of AI companies
Overall Score
44
GitHub Stars
213
Monthly Visits
629K
Community Rating
4.3
AssemblyAI provides speech-to-text, audio intelligence, and LeMUR (LLM for audio) APIs. Transcribe, summarize, and analyze audio and video content programmatically.
Latest detected signals across traffic, developer activity and community mentions.
HN: "Universal-3.5 Pro Realtime"
Indexed by indexator.ai
Referral growth vs previous period
| Keyword | Volume / Mo | CPC |
|---|---|---|
| assemblyai | 46,930 | $3.85 |
| assembly ai | 33,190 | $4.23 |
| assembly | 104,110 | $2.33 |
| assembly ia | 4,480 | $0.47 |
| assemblyai playground | 2,520 | $0.55 |
Models
custom
Streaming Speech-to-Text API
Custom
Voice Agent API
Custom
Speech Understanding
Custom
Guardrails
Custom
LLM Gateway
AssemblyAI provides AI models specifically designed for speech recognition and analysis. Its offerings include robust and accurate speech-to-text capabilities with applications such as transcribing calls, virtual meetings, podcasts, building voice agents and medical scribes. The company's AI mo...
Get notified when score, traffic, GitHub or community signals change.
Latest detected signals across traffic, developer activity and community mentions.
HN: "Universal-3.5 Pro Realtime"
Indexed by indexator.ai
Six signals, each 0–100, blended into the overall by their listed weight.
Generated from public signals and search intent.
Each dimension is weighted (traffic 20% · community 25% · growth 15% · momentum 15% · innovation 10%) and combined into the overall.
View full analytics →custom
Referral growth vs previous period
| Keyword | Volume / Mo | CPC |
|---|---|---|
| assemblyai | 46,930 | $3.85 |
| assembly ai | 33,190 | $4.23 |
| assembly | 104,110 | $2.33 |
| assembly ia | 4,480 | $0.47 |
| assemblyai playground | 2,520 | $0.55 |
Speech Understanding
Custom
Guardrails
Custom
LLM Gateway
custom
Saves
233.8K
Rating
4.3
8 reviews
Views
10.7K
Category
Transcription
Pros · 23
Cons · 5
Rating distribution
User reviews · 2
It's ok - English pre-recorded transcription is good. But if I need accuracy in real-time with lots of people talking and noisy background it tends to fall over. With the right use case, @AssemblyAI is good enough - but with my specific audio requests, it's a bit hit and miss.
Supported features
Release history · 1+
Initial release of AssemblyAI.
Q&A · 22
AssemblyAI is a highly advanced AI tool dedicated to speech recognition and understanding. It offers an API to access AI models that accurately and efficiently transcribe and understand audio and video files, as well as live audio streams. These models are built on cutting edge AI research, enabling transcription, summarization, detection of hateful content, spoken topic identification, and more. The API is used by thousands of startups and large global enterprises due to its simplicity and security.
AssemblyAI employs state-of-the-art AI models for speech recognition. These models have been trained on vast amounts of multilingual audio data, enabling them to accurately transcribe and understand spoken text from various input formats, including video files, audio files, and live streams. Further, continuous updates and improvements ensure that the technology remains at the forefront of AI speech recognition.
Meredith Rauch 🛠️ 2 tools wrote:AssemblyAI can be used for a multitude of applications. Some key use cases include transcribing calls, virtual meetings, voice agents and podcasts. Also, it offers features such as speaker detection, sentiment analysis, chapter detection, and PII redaction. These help in converting voice data into actionable insights, making it an ideal solution for businesses looking to gain more from their voice data.
Meredith Rauch 🛠️ 2 tools wrote:Yes, AssemblyAI supports multi-lingual transcription. Its top-of-the-line speech AI model, known as Universal, is designed to manage a wide range of languages and accents, making the AI platform versatile for multi-lingual requirements.
Meredith Rauch 🛠️ 2 tools wrote:Universal is AssemblyAI's highly accurate, multilingual Speech AI model. It has been trained on 12.5M hours of multilingual audio data, designed to deliver superhuman accuracy in understanding and transcribing speech irrespective of languages, background noises and accents.
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2 points · 0 comments · by
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Top 10 in Video & Audio.
<iframe src="https://indexator.ai/api/embed/leaderboard?category=Video%20%26%20Audio" width="300" height="400" frameborder="0" style="border:none;border-radius:8px"></iframe>One of the most accurate API's I've used for speech to text and summarization. Cost effective w/ bulk contracts too.