Gladia
AI audio infrastructure for voice products that transcribes and enriches conversations through a single API
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End-to-end audio infrastructure that records, transcribes and enriches audio with speaker diarization, sentiment analysis and entity recognition in 100+
About Gladia
Gladia is an AI audio infrastructure platform that enables developers to turn audio into structured, actionable data. The platform transcribes live and recorded audio with high accuracy in over 100 languages, including real-time code-switching when speakers mix languages mid-sentence.
The service includes built-in audio intelligence features such as speaker diarization (identifying who said what), sentiment analysis, named entity recognition, and PII redaction. It supports both real-time streaming transcription for applications like voice agents and live captions, and async transcription for recordings where accuracy is prioritized.
Gladia offers enterprise-grade infrastructure with 99.9% uptime SLA, GDPR compliance, HIPAA certification, SOC 2 Type II compliance, and ISO 27001 certification. The platform provides 100% EU data residency and processes over 26.5 million hours of audio. It integrates with popular voice platforms and includes native SDKs for Python and JavaScript.
Features worth knowing
- Real-time and async speech-to-text transcription in 100+ languages
- Speaker diarization with 3x lower error rate than competitors
- Native code-switching for mid-sentence language detection
- Named entity recognition for extracting names, dates, and organizations
- PII redaction to mask sensitive data automatically
- Sentiment analysis tied to speaker and timestamp
- Audio-to-LLM pipeline for generating summaries and action items
- Custom vocabulary and keyterm prompting for domain-specific accuracy
- Speech-to-text translation in 100+ languages
- Enterprise-grade infrastructure with 99.9% uptime SLA and EU data residency
Pricing
Pricing model: Freemium
Self-serve async: starts at 0.16€/hour (Solaria-3) and 0.27€/hour (Solaria-1) with automatic volume discounts down to 0.12€/hour at 10,000+ monthly hours. Real-time: 0.68€/hour. Add-ons: Audio summarization 0.03€/hour, translation 0.05€/hour, named entity recognition 0.07€/hour, PII redaction 0.07€/
Gladia metrics
| Metric | Value |
|---|---|
| Domain Rating | 69 no change since last check |
| Trust Flow | 13 no change since last check |
| Citation Flow | 45 no change since last check |
| Referring domains | 1,569 no change since last check |
| External backlinks | 20,311 no change since last check |
Ahrefs Domain Rating scanned 28 Oct 2026, updated 26 Oct 2026. Main topic: Regional/Europe (10). Majestic scanned 26 Oct 2026, updated 26 Oct 2026. Link stats via Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Gladia domain facts
Reveal the domain facts
| Domain age | 4 years |
|---|---|
| Registered | |
| Expires | |
| Registrar | OVH SAS |
| DNSSEC | Signed |
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FAQ
- Is Gladia's speech-to-text API more accurate than Whisper or Google's API?
- Solaria-3 shows the lowest word error rate on real customer calls in Gladia's open benchmark, ahead of AssemblyAI, Deepgram, and ElevenLabs. The fairest test for Whisper and Google is to try your own audio in Gladia's blind STT comparison.
- Should I use real-time or async transcription?
- Use real-time when your product reacts while people are still talking, like voice agents or live captions. Use async for recordings where accuracy matters more than speed, since async sees the whole file before finalizing, which improves language detection and speaker labels.
- How many models does Gladia support and what are they good for?
- Gladia supports two models. Solaria-1 covers 100+ languages with native code-switching and real-time streaming. Solaria-3 is built for noisy, conversational business audio in English and core European languages, and is currently available for async.
- Can I try Gladia for free?
- Yes. New accounts get 50€ in free credits, valid for one year. This is roughly 312 hours of async transcription on Solaria-3, 185 hours on Solaria-1, or 73 hours of real-time.
- Do you offer volume discounts?
- Yes, automatically. Your hourly async rate drops as your monthly volume grows. For guaranteed rates at high volume, contact the sales team.
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