Gladia
Gladia is an AI audio infrastructure platform that transcribes and enriches conversations through a single API, enabling developers to turn audio into structured, actionable data.
Last verified:
What is Gladia?
Gladia is an AI audio infrastructure platform that provides a single API for transcribing and enriching conversations across 100+ languages. It offers both asynchronous transcription for pre-recorded audio and real-time streaming transcription with sub-300ms latency for live voice applications. The platform runs on Solaria-1, its universal speech-to-text model designed for multilingual accuracy and code-switching support.
Key features include automatic language detection and switching, speaker diarization, word-level timestamps, PII redaction for privacy compliance, sentiment analysis, summarization, and any-to-any translation all within the same API call. Gladia supports audio formats like WAV, MP3, FLAC, OGG and video formats like MP4, MKV. The platform offers SDKs for Python and TypeScript/JavaScript, a developer playground for testing, and integrates with 2,900+ applications through Pipedream.
Gladia is designed for developers building voice agents, meeting assistants, customer experience platforms (CCaaS), media companies needing subtitles, sales enablement tools, and enterprises requiring compliant audio processing. It serves over 300,000 developers and 5,000+ organizations worldwide including call centers, virtual meeting services, and video publishers.
Gladia pricing
Pricing model: Free
Gladia offers transparent API pricing with three tiers. Starter: Pay-as-you-go at $0.61/hr for async transcription and $0.75/hr for real-time streaming, includes 10 hours free monthly, 30 real-time concurrent requests, 25 async concurrent requests, plus core capabilities (automatic language detection, speaker diarization, 100+ languages) and security (GDPR HIPAA SOC 2 Type 2). Growth: Lower unit pricing with async as low as $0.20/hr and real-time as low as $0.25/hr (67% less than Starter), flexible concurrent requests, custom volume discounts, automatic model training opt-out requires contacting us. Enterprise: Custom annual plan with unlimited concurrent requests, default model training opt-out, Zero Data Retention, SLAs, premium support with dedicated Slack and Account Manager, custom hosting, limitless scaling. Free tier: 10 hours transcription free monthly no credit card required. Payment accepted via Stripe (Visa Mastercard) plus bank transfers/invoicing for Enterprise.
Gladia pros
- Supports 100+ languages with native code-switching mid-sentence
- Sub-300ms latency for real-time streaming transcription
- Free tier with 10 hours monthly transcription no credit card required
- Transparent pay-as-you-go pricing at $0.61/hr async $0.75/hr real-time
- Automatic PII redaction supporting 40+ entity types for GDPR HIPAA compliance
- Speaker diarization to attribute speech to different speakers
- Word-level timestamps for precise transcript alignment
- SOC 2 Type II HIPAA ISO 27001 ISO 27701 and GDPR compliant
- Any-to-any translation returned alongside transcript in same API call
- Open-source normalization library for French German Spanish Italian Dutch English
- Zero Data Retention option available on Enterprise plans for maximum privacy
- Python and TypeScript/JavaScript SDKs with zero boilerplate integration
- Accent resilience handling non-native speakers and regional accents robustly
- Audio to LLM feature for direct summaries action items and CRM-ready notes
- 3x accuracy improvement on Hebrew with Word Error Rate down to 7.5%
Gladia cons
- No per-unit price published making cost estimation difficult before usage
- Zero Data Retention only available on Enterprise plans not free or pay-as-you-go
- Rate limitations on calls per hour and total transcribed hours by tier
- Growth plan pricing requires contacting sales not self-serve visible
- Enterprise plan requires annual commitment with custom pricing
- Hebrew transcription does not support code-switching only single language
- Free tier has limited usage suitable only for trials not production
- No self-serve paid plan visible on pricing page as of 2026 sales-led for higher tiers
Frequently asked questions about Gladia
Can I try Gladia for free?
Yes, you can sign up for a free tier plan and enjoy up to 10 hours of transcription free of charge each month. You can also get in touch with Gladia to receive a demo.
What are the billing options?
Gladia offers a pay-as-you-go option and subscription-based billing that can be monthly or annually. You can easily monitor your usage, change your pricing plan, or cancel your subscription through your account settings or by contacting the sales team.
What payment methods do you accept?
Gladia uses Stripe for payments and accepts main credit cards including Visa and Mastercard. Additionally, alternative payment options such as bank transfers or invoicing are available for enterprise-level plans.
Can I change my pricing plan?
Yes, you can upgrade or downgrade your pricing plan anytime directly from your account settings or by contacting Gladia's sales team for assistance with plan changes.
Can I cancel my subscription whenever I want?
Yes, you can cancel your subscription whenever you want. When you cancel, you will retain access to Gladia's services until the end of your current billing cycle.
Are there set-up fees or hidden costs?
No, Gladia is fully transparent about pricing with all information available on their Pricing page. There are no setup fees or hidden costs for any plan.
What are the usage constraints or service limits?
Gladia has rate limitations on the number of calls per hour and the total hours of transcribed audio, depending on the tier you are using. Starter includes 30 real-time concurrent requests and 25 async concurrent requests.
What happens if I exceed the usage limit?
If you exceed your usage limit, you can contact Gladia's sales team to update your plan and increase your usage limit to accommodate your needs.
Do you offer volume discounts?
Yes, Gladia offers volume discounts for their Enterprise plan with custom volume discounts available for fast-growing teams on the Growth plan as well.
What languages does Gladia support?
Gladia supports 100+ languages and dialects with native code-switching capability, allowing seamless switching when speakers change languages mid-sentence. The platform handles English, French, German, Spanish, Italian, Portuguese, Hebrew, and many more with consistent latency, pricing, and SLA across every supported language.