AssemblyAI

Speech AI APIs that transcribe audio and pull insights from conversations.

Free + PaidAI Voice & Audio#7 in Voice & Audioby AssemblyAI
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What is AssemblyAI?

AssemblyAI provides speech-to-text models through an API, with features such as speaker labels, summaries and content detection. Developers use it to build meeting notes, call analytics and captioning tools. You access it through a web dashboard and SDKs.

Best for: Developers building products around recorded speech.

What you can do with AssemblyAI

  1. Transcribe podcast episodes

  2. Summarise recorded meetings

  3. Label speakers in an interview

Key features

  • Accurate transcription
  • Speaker diarisation
  • Real-time streaming
  • Summaries and insights

AssemblyAI pros and cons

Pros

  • Strong accuracy
  • Clear documentation

Cons

  • Requires coding to use

AssemblyAI pricing

Free + PaidFree starting credit; pay as you go

AssemblyAI has a free plan, with paid plans that add more usage or features. Plans change often, so check the official site for current prices.

How to get started

  1. Open assemblyai.com and create a free account.
  2. Try one real task first: transcribe podcast episodes.
  3. Compare the result with ElevenLabs or Whisper, then keep the one that fits how you work.

Compare AssemblyAI

Side-by-side comparisons of features, pricing, pros and cons.

AssemblyAI alternatives

Other tools that do a similar job, ranked by our editors.

  • ElevenLabs

    Free + PaidEditor's pick

    Lifelike text-to-speech, voice cloning and dubbing.

    AI Voice & AudioVisit

  • Whisper

    Open source

    OpenAI's open-source speech recognition model.

    AI Voice & AudioVisit

  • Deepgram

    Free + Paid

    Speech-to-text and voice AI APIs for transcription and voice agents.

    AI Voice & AudioVisit

  • PlayHT

    Free + Paid

    Text-to-speech voices and an API for apps and content.

    AI Voice & AudioVisit

  • Cartesia

    Free + Paid

    Ultra-fast, realistic text-to-speech API built for real-time voice agents.

    AI Voice & AudioVisit

  • Resemble AI

    Paid

    Custom AI voices with consent checks, plus tools to detect synthetic speech.

    AI Voice & AudioVisit

Top AI voice tools

How AssemblyAI compares with the best in AI Voice & Audio.

  1. 1. ElevenLabs

    Free + Paid

    Lifelike text-to-speech, voice cloning and dubbing.

  2. 2. Murf AI

    Free + Paid

    Studio-quality voiceovers for videos, ads and e-learning.

  3. 3. Speechify

    Free + Paid

    Listen to any text, PDF or web page read aloud.

  4. 4. Adobe Podcast

    Free + Paid

    Make any recording sound like it was made in a studio.

  5. 5. Krisp

    Free + Paid

    Remove background noise from calls in real time.

See all 20 AI voice tools

AssemblyAI FAQ

What is AssemblyAI?

AssemblyAI provides speech-to-text models through an API, with features such as speaker labels, summaries and content detection. Developers use it to build meeting notes, call analytics and captioning tools. You access it through a web dashboard and SDKs.

Is AssemblyAI free?

AssemblyAI has a free plan, with paid plans that add more usage or features. Free starting credit; pay as you go. Check the official site for current limits and prices.

What can you do with AssemblyAI?

With AssemblyAI you can transcribe podcast episodes; summarise recorded meetings; label speakers in an interview.

Who is AssemblyAI best for?

Developers building products around recorded speech.

Does AssemblyAI have an app?

AssemblyAI runs as api and web app; we know of no dedicated phone or desktop app.

Who makes AssemblyAI?

AssemblyAI is made by AssemblyAI.

What are the best alternatives to AssemblyAI?

Popular alternatives include ElevenLabs, Whisper, Deepgram and PlayHT. See the full ranking on our AI Voice & Audio page.

AltFTool is not affiliated with AssemblyAI. This summary was written by our editors from the tool's public information. Browse all 451 AI tools