1
Kokori
Shares tags: ai
AI Tool
Gladia Review
Gladia is a speech-to-text API that provides low-latency, high-accuracy transcription with native code-switching across multiple languages.
1Gladia offers a freemium pricing model, including $10 in free credits for new users.
2The platform supports over 100 languages with native code-switching capabilities.
3Gladia's Solaria model, launched April 2, 2025, achieves an average word accuracy rate of 94% and 270ms latency.
4It provides a comprehensive suite of audio intelligence features, including speaker diarization, sentiment analysis, and PII redaction.
⚡
Gladia at a Glance
🏢
About Gladia
Pricing Plans
Free Tier
Free / monthly
- • Basic access to APIs
- • Limited usage
Pay-as-you-Go
Variable / per-request
- • Flexible pricing based on usage
- • Access to all features
Enterprise
Custom pricing / annual
- • Dedicated support
- • Custom solutions
Cost Examples
- • Transcribe 1 minute of audio: ~$0.05
Leadership
Alexandre BoujuCTO Deputy Manager
Lazare RossillonCEO
Kojo HinsonGroup Engineering Manager
Jean PatryCo-founder
Robin LambertCPO
Valentin van GastelVP of Product & Engineering
Connect
</>Embed "Featured on Stork" Badge▼
<a href="https://www.stork.ai/en/gladia" target="_blank" rel="noopener noreferrer"><img src="https://www.stork.ai/api/badge/gladia?style=dark" alt="Gladia - Featured on Stork.ai" height="36" /></a>
[](https://www.stork.ai/en/gladia)
overview
What is Gladia?
Gladia is a speech AI infrastructure tool developed by Gladia that enables developers and product owners to integrate advanced voice capabilities into their applications. It provides a Speech-to-Text (STT) API for converting audio into text, along with a suite of audio intelligence features. Gladia's core offering focuses on both asynchronous and real-time transcription, supporting over 100 languages with native code-switching and achieving low latency under 300 milliseconds. The company secured $16 million in Series A funding on October 15, 2024, to further advance its AI audio solutions, including the Solaria model launched on April 2, 2025, which boasts a 94% word accuracy rate for common languages.
quick facts
Quick Facts
| Attribute | Value |
|---|---|
| Developer | Gladia |
| Business Model | Usage-based |
| Pricing | Freemium starting with $10 free credits |
| Platforms | Web, API |
| API Available | Yes |
| Integrations | Twilio, Vonage, Telnyx |
| Founded | Not specified, but Series A funding in 2024 |
| HQ | Paris, France |
| Funding | Series A ($16 million) |
| API Docs | https://docs.gladia.io/ |
| GitHub | https://github.com/gladiaio/ |
features
Key Features of Gladia
Gladia provides a robust set of features designed for high-accuracy and low-latency audio processing, catering to diverse application needs. These capabilities are integrated into its API, allowing developers to implement advanced speech AI functionalities.
- 1High-accuracy transcription across various audio qualities.
- 2Real-time processing with latency under 300 milliseconds.
- 3Support for over 100 languages, including native code-switching.
- 4Custom vocabulary and add-ons for domain-specific transcription.
- 5Speaker diarization to identify and separate individual speakers.
- 6Sentiment analysis to detect emotional tone in audio.
- 7Named entity recognition for extracting key information like names and locations.
- 8PII redaction for automatically removing sensitive data from transcripts.
- 9GDPR and HIPAA compliance for data privacy and security.
use cases
Who Should Use Gladia?
Gladia is primarily designed for developers, product owners, and businesses that require advanced speech-to-text and audio intelligence capabilities for their applications. Its API-first approach makes it suitable for integration into existing systems across various industries.
- 1**Developers and Product Owners:** For integrating real-time and asynchronous transcription, speaker diarization, and other audio intelligence features into new or existing applications.
- 2**Contact Centers:** For real-time transcription, analytics, and insights to improve agent performance and customer interactions.
- 3**Media Production Companies:** For generating accurate captions, subtitles, and podcast transcriptions with time-stamps for streaming platforms and video editing software.
- 4**AI Voice Companies & Agents:** For powering conversational AI agents with high-accuracy STT and TTS capabilities.
- 5**Enterprises (Healthcare, Finance):** For secure, compliant audio processing, including PII redaction and data sovereignty options, to meet regulatory requirements.
pricing
Gladia Pricing & Plans
Gladia operates on a freemium and usage-based pricing model, offering flexibility for different user needs. New users receive $10 in free credits to explore the platform's capabilities. The Pay-as-you-Go model charges based on audio duration processed, with an estimated cost of approximately $0.05 per minute of transcribed audio. For organizations with high volume requirements or specific needs, custom Enterprise pricing is available, which may include dedicated support and tailored features.
- 1**Free Tier:** Free, includes $10 in credits for new users.
- 2**Pay-as-you-Go:** Variable pricing per request, approximately $0.05 per minute of audio.
- 3**Enterprise:** Custom pricing, typically annual, for high-volume usage and specialized requirements.
competitors
Gladia vs Competitors
Gladia positions itself as a pure-play AI audio infrastructure provider, emphasizing its robust API for transcription and audio intelligence. Its key differentiators include strong multilingual expertise with native code-switching, industry-leading low latency for real-time streaming, and a comprehensive suite of audio intelligence features bundled into a single API. Gladia also highlights its enterprise-ready infrastructure, offering data sovereignty and flexible hosting options.
1
Deepgram↗
Deepgram offers a comprehensive voice AI platform with a focus on cost-effectiveness, custom model training for enterprise customers, and a unified platform for speech-to-text, text-to-speech, and conversational AI capabilities.
While both offer high-quality real-time speech-to-text, Deepgram is noted for its platform breadth and custom model training, whereas Gladia emphasizes speech recognition quality, data privacy (not using customer audio for retraining), and includes more audio intelligence features in its base pricing. Deepgram's multilingual and code-switching support is often cited as less robust compared to Gladia's.
2
AssemblyAI↗
AssemblyAI provides industry-leading Speech AI models for transcribing speech to text and extracting insights from voice data, with a unique framework for applying Large Language Models (LLMs) to speech.
AssemblyAI excels in advanced audio analysis and LLM-powered insights, particularly with its LeMUR framework, while Gladia focuses on real-time multilingual performance with native code-switching across 100+ languages and bundles all audio intelligence features. AssemblyAI's real-time streaming supports fewer languages than Gladia.
3
Google Cloud Speech-to-Text↗
Google Cloud Speech-to-Text leverages Google's advanced AI and deep learning neural network algorithms to accurately convert voice to text in over 125 languages and variants.
Google Cloud Speech-to-Text offers broad language support and specialized features like medical transcription, but Gladia often claims superior accuracy in real-world, noisy audio and native code-switching, along with a focus on production-ready workflows and bundled audio intelligence.
4
Speechmatics↗
Speechmatics offers speech-to-text with a strong emphasis on flexible deployment options (cloud, on-premise, hybrid) and accent robustness across a broad range of global languages.
Speechmatics provides extensive language coverage and robust performance in real-world audio with accents and noise, similar to Gladia's focus on messy audio, but Gladia specifically highlights native code-switching as a primary differentiator. Speechmatics also offers a freemium model.
❓
Frequently Asked Questions
+What is Gladia?
Gladia is a speech AI infrastructure tool developed by Gladia that enables developers and product owners to integrate advanced voice capabilities into their applications. It provides a Speech-to-Text (STT) API for converting audio into text, along with a suite of audio intelligence features.
+Is Gladia free?
Gladia offers a freemium model. New users receive $10 in free credits to use the API. Beyond the free credits, it operates on a Pay-as-you-Go basis, charging approximately $0.05 per minute of transcribed audio. Custom Enterprise plans are available for high-volume usage.
+What are the main features of Gladia?
Gladia's main features include high-accuracy, low-latency real-time transcription, support for over 100 languages with native code-switching, speaker diarization, sentiment analysis, named entity recognition, and PII redaction. It also offers custom vocabulary and is GDPR and HIPAA compliant.
+Who should use Gladia?
Gladia is designed for developers, product owners, and businesses across various sectors such as contact centers, media production, and AI voice companies. It is suitable for anyone needing to integrate advanced speech-to-text and audio intelligence into their applications or workflows.
+How does Gladia compare to alternatives?
Gladia differentiates itself from competitors like Deepgram, AssemblyAI, Google Cloud Speech-to-Text, and Speechmatics through its strong emphasis on native code-switching across 100+ languages, industry-leading low latency (under 300ms), and a comprehensive suite of audio intelligence features bundled into a single API. It also highlights data privacy and enterprise-ready infrastructure.