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Detect Speechify AI voices.

Updated July 2026

Suspect a clip was made with Speechify? Drop it in and get a citable verdict with the model named, in under half a second. Steady long-form read-aloud voices built for accessibility and listening.

Synthetic detectedSpeechify
Confidence
high
Model
Speechify
Yes, you can check. Drop the clip into the detector and it returns the probability that the speech was generated by Speechify, a confidence level, and the named model, in under half a second. It reads the audio's synthesis signature, so it works on cloned and stock Speechify voices alike, and gives you a citation URL to quote.
What it is

Speechify, and why it shows up in suspicious audio

Speechify is a read-aloud text-to-speech product popular for accessibility and consumer listening. Its voices appear in shared audio, repurposed articles, and social clips.

Because it is optimized for hours of comfortable listening, Speechify output is smooth and steady, which gives a detector a stable pattern to key on.

Where you tend to see it: Repurposed articles, accessibility audio, and social-media clips.

Speechify is a legitimate product; misuse is the problem, not the tool. You can read about it on the official Speechify site.

The tells

How to tell a Speechify voice

The human ear is unreliable on current Speechify audio. These are the signals a detector weighs. We report which ones drove the verdict rather than handing you a bare number.

  • 01Steady long-form pacing with little dynamic variation.
  • 02A limited, repeatable artifact set across clips from the same voice.
  • 03Even spectral balance uncharacteristic of a live recording.
  • 04Phoneme transitions that are slightly cleaner than natural speech.
Spectral view · artifacts concentrate where synthesis smooths what a human voice would not
How the detector identifies Speechify

A verdict you can cite, not a vibe

The detector reads the audio, not the speaker. Cloning or stock voice, clean or compressed, it looks for the synthesis signature and attributes the source.

Step 1

Drop the clip

Upload a file or paste a URL. MP3, WAV, M4A, WebM, or the audio track of a video. About half a second of clear speech is enough.

Step 2

The model scores it

The same model behind the public detector reads the acoustic signature and weighs the artifacts, then attributes the source, e.g. Speechify, when it recognizes it.

Step 3

Get a citable verdict

You get a probability, a confidence level, the named model, and a permanent citation URL you can quote, file, or subpoena.

0.48s
Median verdict
99%
Accuracy on clean audio
24+
Generators covered
24h
Audio deleted after
If a clip turns out synthetic

What to do next

A verdict is evidence, not a verdict of intent. Save the result to get a permanent citation URL and a one-way audio fingerprint you can reference later without storing the file. If you are a journalist or investigator, cite the verdict alongside your own reporting; if this is a suspected scam, treat the contact as unverified and confirm through a channel you already trust. The FTC's advice on suspected scam calls is a sensible baseline.

Building this into a workflow? The API returns the same verdict as JSON with webhooks for bulk jobs, and the browser extension checks audio in place on WhatsApp Web, YouTube, and podcasts.

FAQ · Speechify

Common questions

Can you detect Speechify in a video's audio?
Yes. The detector reads the audio track, so video files work too.
What if the detector is not sure?
It returns a probability near 50% with a low-confidence flag rather than pretending to know. We never round up.
Is it free to check a clip?
Yes, a single verdict is free with no card.
Does background music affect it?
Heavy music or noise lowers confidence, which we report alongside the verdict.
Will it name Speechify?
When recognizable, yes; otherwise it returns 'unknown synthesis'.

Is this a Speechify voice? Find out.

Free verdict, model named, in under a second. No card to start.

Open detectorUse the API