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Gladia

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The speech-to-text backbone for voice agents, customer support, and meeting assistants.

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Reviews onG2
23 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

High accuracy, up to 39% more accurate than competitors in major European languages.

Biggest con

No explicit mention of a free tier or trial on the provided pages, implying it's a paid service.

TL;DR - Gladia

  • Provides highly accurate and multilingual Speech-to-Text API for real-time and asynchronous transcription.
  • Offers low-latency real-time transcription (<300ms) and advanced features like code-switching and speaker diarization.
  • Designed for developers with easy integration, scalability, and strong data privacy compliance.
Pricing: Free plan available
Best for: Growing teams
4.8/5 across review platforms

What is Gladia?

Editorial review
Gladia provides a powerful Speech-to-Text (STT) API that enables platforms to accurately transcribe audio, both asynchronously and in real-time. It leverages its proprietary Solaria ASR model, which is designed to be universal, precise, and fluent across over 100 languages. The API is built for developers, offering easy integration with various tech stacks and telephony protocols, and boasts high accuracy, especially for key entities like names and numbers, even in noisy environments. This tool is ideal for businesses and developers building voice-enabled applications, contact center solutions, sales enablement platforms, meeting assistants, and media editing tools. It helps improve productivity, enhance customer experience, and extract valuable insights from spoken interactions. Gladia emphasizes performance with sub-300ms latency for real-time transcription and offers flexible, usage-based pricing to support scaling without significant infrastructure burden. Gladia differentiates itself with advanced features like code-switching for multilingual conversations, speaker diarization, word-level timestamps, and add-ons such as sentiment analysis, summarization, and chapterization. It also prioritizes data privacy and compliance, being GDPR, HIPAA, and AICPA SOC Type 2 compliant, ensuring audio data is never used for model retraining.

Available on: Web

Pros & Cons

Pros

  • High accuracy, up to 39% more accurate than competitors in major European languages.
  • Extremely low latency for real-time transcription, ensuring seamless conversations.
  • Comprehensive language support with advanced code-switching capabilities.
  • Strong commitment to data privacy and compliance (GDPR, HIPAA, SOC 2).
  • Scalable infrastructure with no limits on parallel streams and reduced DevOps burden.

Cons

  • No explicit mention of a free tier or trial on the provided pages, implying it's a paid service.
  • Specific pricing details are not available on the public pages, requiring contact with sales.

Ratings Across the Web

4.8(23 reviews)

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

Asynchronous Transcription APIReal-Time Streaming Transcription API (<300ms latency)Solaria ASR Model (universal, precise, multilingual)100+ Language Support with leading accuracy in EN, FR, ES, ITAdvanced Code-Switching for multilingual conversationsSpeaker Diarization (mono, stereo, multi-channel files)Word-Level TimestampsName and Entity Recognition (NER) and Custom Vocabulary

Pricing Plans

Pricing checked Jun 18, 2026

Self-Serve

Real-time from $0.75, Async from $0.61 + 10h/free

  • 30 real-time concurrent requests
  • 25 async concurrent requests
  • Automatic language detection/switching
  • Speaker diarization
  • 100+ supported languages
  • GDPR, HIPAA, AICPA SOC 2 Type 2
  • Help center & Discord

Scaling

Real-time from $0.55/hour, Async from $0.50/hour

  • Everything in SELF-SERVE
  • Flexible concurrent requests
  • Custom volume discounts
  • Automatic model training opt-out
  • Help center & Discord

Enterprise

Custom

  • Everything in SCALING
  • Unlimited concurrent requests
  • Default model training opt-out
  • Zero data retention
  • SLAs
  • Premium support with dedicated Slack and Account Manager
  • Custom hosting
  • Limitless scaling

Reviews

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4.8/5

Across 23 verified user reviews on G2

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Gladia FAQ

How does Gladia's Speech-to-Text API support real-time applications?

Gladia's API is designed for real-time transcription with sub-300ms latency, which ensures seamless integration into live voice-enabled applications. This low latency allows for immediate processing of spoken interactions, making it suitable for dynamic use cases like voice agents and meeting assistants.

Which teams would benefit most from using Gladia?

Gladia is ideal for development teams building voice-enabled applications, contact center solutions, sales enablement platforms, and meeting assistants. It also serves businesses focused on media editing tools that require accurate transcription and advanced audio analysis.

How does Gladia compare to AssemblyAI regarding transcription accuracy?

Gladia differentiates itself with high accuracy, claiming to be up to 39% more accurate than competitors in major European languages. It leverages its proprietary Solaria ASR model to provide precise and fluent transcriptions across over 100 languages, including advanced code-switching for multilingual conversations.

What kind of data privacy and compliance does Gladia offer?

Gladia prioritizes data privacy and compliance, adhering to GDPR, HIPAA, and AICPA SOC Type 2 standards. This ensures that audio data processed through its API is handled securely and is never used for model retraining.

Does Gladia include a free tier?

Gladia offers a free tier for users to get started, with paid plans available for increased usage and access to more advanced features. This allows developers to integrate and test the API before committing to a larger plan.

Can Gladia transcribe conversations in multiple languages simultaneously?

Yes, Gladia supports advanced code-switching capabilities, allowing it to accurately transcribe multilingual conversations. Its Solaria ASR model is designed to be universal and fluent across over 100 languages, making it effective for diverse linguistic interactions.

What are the main limitations of Gladia's offering?

While Gladia offers a free tier, specific pricing details for its paid plans are not publicly available and require direct contact with sales. This means users cannot immediately view the cost structure for higher usage or advanced features without engaging with the sales team.

Source: gladia.io

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