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Whisper-Zero

A complete rework of Whisper ASR that eliminates hallucinations and drastically improves accuracy. Built using over 1.5 million hours of audio, including phone and noisy data

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Zero hallucinations

We improved Whisper architecture to remove 99.9% of hallucinations

10-15% less WER

More accurate than Whisper large-v3,
while being 2x faster

Designed for real-life audio

Optimized to deliver top results in complex environments, like call centers and bots

Enjoy the best version of Whisper at scale with no limitations

Superior performance without hallucinations

With the new ASR system, Gladia mitigates virtually all Whisper hallucinations – while providing superior accuracy and speed of transcription, including in noisy and multilingual environments.

Cloud-based ASR solution for all enterprise needs

Our API gives access to proprietary features to build advanced ASR-powered voice applications for your business. These include real-time transcription, speaker diarization, word-level timestamps, code-switching, and advanced language detection.

Production-grade Whisper API fit to scale

We provide a production-ready API to launch your product straightway – no setup cost or hardware requirements, with SLAs for enterprise contracts.

More on technical implementation, see developer docs.

Data privacy and compliance

We guarantee 100% safety of all data in accordance with EU (GDPR) and US (CCPA) privacy regulations, with zero retention policy and on-premise hosting available on request.

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Perfomance

Superior accuracy and speed in real-life
professional use cases

Slow and prone to hallucinations

Core features

Smart formatting
Noise reduction
Custom vocabulary
Hallucination-free

Smart formatting
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Language

99 languages supported, excluding dialects
Can do any-to-any language translations

99 languages supported
Translation from any language to English only

Additional features

Batch transcription
Word-level timestamps
Speaker diarization
Live transcription
Code-switching
Webhooks
Enhanced language detection

Batch transcription
Phrase-level timestamps
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Usage

Any audio or video file type. Large files of up to 500MB and 135 mins, extendable on demand,
plus URL support (YouTube, Vimeo, etc)

Limited to the most common audio input formats. Files of 25MB and 30 sec max. Does not support transcription via hosted URLs or callbacks

Output formats

JSON, plain, SRT and VTT (for subtitles)

JSON

Data protection

GDPR-compliant EU hosting, with a strict privacy policy

Not GDPR-compliant and does not have a privacy policy

Pricing

Free

Perfect for developers, early-stage startups, and individuals

0

/month

(10h/month included)

Get started

Pro

Designed to grow with scaling digital companies

0.612

/hour

+ $0.144 / hour for live transcription

Get started

Entreprise

Custom plan tailored to the modern enterprise

Contact us

Talk to sales

Product News

Introducing Whisper-Zero

Today, we're thrilled to release a new breakthrough ASR system, Whisper-Zero —a complete rework of Whisper combined with multiple state-of-the-art models, using over 1.5 million hours of diverse audio, including phone-quality and noisy data from real-life environments.

Product News

Here’s how we optimized Whisper ASR for enterprise scale

In this article, we give you a breakdown of features and parameters that distinguish Gladia API from both open-source and API versions of OpenAI’s Whisper ASR model.

Speech-To-Text

Thinking of using open-source Whisper ASR? Here are the main factors to consider

Perhaps you’re a developer looking for an Automatic Speech Recognition (ASR) solution for the first time. Or an executive looking for more affordable, faster, more accurate alternatives to the mainstream speech-to-text solutions for your business. Where do you turn to?