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Company records / assemblyai.com

AssemblyAI

AssemblyAI (assemblyai.com): 14 changes recorded in its website history since August 2017. Homepage last checked 5 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. Go-to-marketBetween and

    Dropped its free sign-up; visitors are now asked to book a demo.

    Observed on the company’s website; business claims are not independently verified.

  2. HeadlineBetween and
    BeforeVoice AI infrastructure for builders
    AfterIndustry leading voice models. Infrastructure built to run them.

    Observed on the company’s website; business claims are not independently verified.

  3. New logosBetween and

    Added logos to its homepage: Retell, CallRail, Apollo.io, ClickUp, HeyGen and JotPsych.

    Observed on the company’s website; business claims are not independently verified.

  4. HeadlineBetween and
    BeforeThe best way to build Voice AI apps
    AfterVoice AI infrastructure for builders

    Observed on the company’s website; business claims are not independently verified.

  5. HeadlineBetween and
    BeforeSpeech-to-text to powerful outcomes
    AfterThe best way to build Voice AI apps

    Observed on the company’s website; business claims are not independently verified.

  6. HeadlineBetween and
    BeforeTurn voice data into with our leading Speech AI models
    AfterSpeech-to-text to powerful outcomes

    Observed on the company’s website; business claims are not independently verified.

  7. HeadlineBetween and
    BeforeAccess powerful AI models to transcribe and understand speech
    AfterTurn voice data into with our leading Speech AI models

    Observed on the company’s website; business claims are not independently verified.

  8. HeadlineBetween and
    BeforeTranscribe and understand audio with a single AI-powered API
    AfterAccess powerful AI models to transcribe and understand speech

    Observed on the company’s website; business claims are not independently verified.

  9. HiringBetween and

    Added a careers page.

    Observed on the company’s website; business claims are not independently verified.

  10. HeadlineBetween and
    BeforeThe Speech-to-Text API for modern developers
    AfterTranscribe and understand audio with a single AI-powered API

    Observed on the company’s website; business claims are not independently verified.

  11. HeadlineBetween and
    Before#1 Most Accurate Speech-to-Text API
    AfterThe Speech-to-Text API for modern developers

    Observed on the company’s website; business claims are not independently verified.

  12. Go-to-marketBetween and

    Added a free sign-up or free trial.

    Observed on the company’s website; business claims are not independently verified.

  13. Go-to-marketBetween and

    Closed its waitlist and opened sign-up.

    Observed on the company’s website; business claims are not independently verified.

  14. HeadlineBetween and
    BeforeSpeech Recognition for Everyone and Everything.
    AfterThe world's most advanced Speech-to-Text, customized for your application.

    Observed on the company’s website; business claims are not independently verified.

First recorded website

Observed 22 August 2017

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Speech Recognition for Everyone and Everything.

Build products people can talk to.

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. July 2026 – November 2026 · 3 captures · latest observed messagingIndustry leading voice models. Infrastructure built to run them.

    With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

    This wording observed 5 November 2026.

    Inspect 3 captures in this group
    • 5 July 2026 · Voice AI infrastructure for builders archived page
    • 28 October 2026 · Voice AI infrastructure for builders archived page
    • 5 November 2026 · Industry leading voice models. Infrastructure built to run them. current websiteHistorical capture not publicly available
  2. Seen November 2025 · 1 captureThe best way to build Voice AI apps

    With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

    This wording observed 2 November 2025.

  3. July 2025 – August 2025 · 2 capturesSpeech-to-text to powerful outcomes

    With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

    This wording observed 1 August 2025.

    Inspect 2 captures in this group
    • 8 July 2025 · Speech-to-text to powerful outcomes archived page
    • 1 August 2025 · Speech-to-text to powerful outcomes archived page
  4. Seen July 2024 · 1 captureTurn voice data into with our leading Speech AI models

    With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

    This wording observed 2 July 2024.

  5. Seen July 2023 · 1 captureAccess powerful AI models to transcribe and understand speech

    AssemblyAI is the fastest way to build with AI for audio. With a simple API, get access to production-ready AI models to transcribe and understand speech.

    This wording observed 1 July 2023.

  6. Seen July 2022 · 1 captureTranscribe and understand audio with a single AI-powered API

    Accurately convert speech to text with powerful AI models. Used by Fortune 500s, startups, and developers. Voted Best API of 2020, and funded by Accel and Y Combinator.

    This wording observed 3 July 2022.

  7. August 2020 – July 2021 · 2 capturesThe Speech-to-Text API for modern developers

    Top-ranked speech-to-text API in accuracy. Simple to setup and integrate into any application. Trusted by thousands of developers using automated speech recognition (Python, Node, C#, Ruby, PHP, curl,

    This wording observed 20 July 2021.

    Inspect 2 captures in this group
    • 2 August 2020 · #1 Most Accurate Speech-to-Text API archived page
    • 20 July 2021 · The Speech-to-Text API for modern developers archived page
  8. Seen July 2019 · 1 captureHigh accuracy Speech-to-Text, powered by state of the art deep learning.

    This wording observed 19 July 2019.

  9. Seen July 2018 · 1 captureThe world's most advanced Speech-to-Text, customized for your application.

    This wording observed 20 July 2018.

  10. Seen August 2017 · 1 captureSpeech Recognition for Everyone and Everything.

    Build products people can talk to.

    This wording observed 22 August 2017.

Cite this record

StartupHistory, “AssemblyAI” company record, https://startuphistory.org/c/assemblyai.com

Machine-readable: /c/assemblyai.com.json. How changes are found: method.