Gladia ✓
Production-ready Speech-to-Text API for real-world voice products
Verdict
A quick read before you dig into the full page.
- Best if
- Production-ready Speech-to-Text API for real-world voice products
- Skip if
- Limited customizability
- Pick this when
- Real-time and Async transcription
Considering Voicetype AI instead? Compare side by side
Overview
Gladia is a speech-to-text platform built for production, turning raw audio into structured outputs that power real workflows like meeting summaries, CRM enrichment, contact center QA, and real-time voice assistants.
With support for 99+ languages and the ability to handle messy real-world audio—overlapping speakers, accents, code-switching, domain-specific terminology—Gladia is designed for the complexity of actual conversations, not clean studio recordings.
- Real-time And Async Transcription
- Named Entity Recognition
- Multi-lingual Support (99+ Languages)
- Speaker Diarization
- Code-switching
- Custom Vocabulary
- Multi-region Support
Access & connections
Where you can use Gladia.
Platforms
Capabilities
What this tool accepts, produces, and is strongest at.
Input
- API
- Audio
Output
- API
- Text
Highlights
- API
Supported features
- API
- Transcription
- STT
- Speech API
Pros & cons
Pros
- Real-time and Async transcription
- Production-grade accuracy
- Strong multilingual support & code-switching
- Low Word Error Rate
- Low-latency real-time transcription
- Scalability: handles large data volumes
- Developer experience: plug-and-play, documentation, integrations
- High privacy and compliance standards
Show 1 more
- All-inclusive pricing (no add-ons or hidden fees)
Cons
- Newer entrant
- Onboarding call for custom pricing
- No offline functionality mentioned
- Single functionality (speech-to-text)
- Limited customizability
Compare alternatives
Similar tools in the catalog — with a clear reason to open each one.
Voicetype AI ✓
Free TrialWrite 9x Faster with AI Speech to Text on all Apps
Why look Better for writing
Full comparison
Transcript LOL ✓
FreemiumUnlimited transcripts, summaries, 99.8% accuracy, speaker recognition, superfast
Free + from $10/mo
Full comparisonTurboScribe ✓
Freemium🎯 3 free transcripts every day. 🔥 Unlimited transcription starting at $10/mo.
Free + from $10/mo
Full comparison
RambleFix ✓
Paid⚡ Write by thinking aloud - emails, notes, articles, in your style.
Why look Better for writing
Full comparisonParaspeech ✓
Free TrialPrivate dictation, cloud optional
Why look More privacy-focused
Full comparisonReleases 1
FAQ 12
What are the key features of Gladia’s audio transcription API?
🛠️ 1
tool
wrote:
On top of supporting 100+ languages across both highly accurate asynchronous and real-time transcription, at <300 milliseconds latency, Gladia also offers a layer of add-ons. These range from custom vocabulary, diarization and sentiment analysis to named entity recognition, word-level timestamps, summarization and more.
What languages does Gladia’s speech-to-text API support?
🛠️ 1
tool
wrote:
Gladia’s Speech-to-Text API supports 100+ languages and accents: afrikaans, albanian, amharic, arabic, armenian, assamese, azerbaijani, bashkir, basque, belarusian, bengali, bosnian, breton, bulgarian, burmese, castilian, catalan, chinese, croatian, czech, danish, dutch, english, estonian, faroese, finnish, flemish, french, galician, georgian, german, greek, gujarati, haitian, haitian creole, hausa, hawaiian, hebrew, hindi, hungarian, icelandic, indonesian, italian, japanese, javanese, kannada, kazakh, khmer, korean, lao, latin, latvian, letzeburgesch, lingala, lithuanian, luxembourgish, macedonian, malagasy, malay, malayalam, maltese, maori, marathi, moldavian, moldovan, mongolian, myanmar, nepali, norwegian, nynorsk, occitan, panjabi, pashto, persian, polish, portuguese, punjabi, pushto, romanian, russian, sanskrit, serbian, shona, sindhi, sinhala, sinhalese, slovak, slovenian, somali, spanish, sundanese, swahili, swedish, tagalog, tajik, tamil, tatar, telugu, thai, tibetan, turkish, turkmen, ukrainian, urdu, uzbek, valencian, vietnamese, welsh, yiddish, yoru.
How can I get started with implementing Gladia’s API in my product?
🛠️ 1
tool
wrote:
Gladia’s API is extremely easy to implement. To get started, sign up at app.gladia.io. You can choose between trying our product in the playground environment or click ‘Home’ and ‘Generate new API key’ straight away. You can find all the information you need in our developer’s documentation.
How does Gladia’s Speech-to-Text API work?
🛠️ 1
tool
wrote:
Gladia’s audio transcription API - also called a Speech-to-Text API - allows developers and product owners to add both asynchronous and real-time transcription, as well as a selection of audio intelligence add-ons, to their products by calling on a single API for every audio transcription need. You can find all the information you need in our developer’s documentation. Gladia’s pricing has three tiers: free access, Pay-as-you-Go, and Enterprise. You can find more information on the Pricing page. Gladia’s single API is compatible with all existing tech stacks and telephony protocols, including SIP, VoIP, FreeSwitch and Asterisk.
Do you offer support for multiple programming languages?
🛠️ 1
tool
wrote:
Absolutely! Our API is designed to be language-agnostic, meaning you can use it with any programming language that can make HTTP requests. We provide code examples in multiple languages to assist developers in integrating our speech-to-text API.
What audio formats does Gladia support?
🛠️ 1
tool
wrote:
Gladia’s audio transcription API supports a wide range of audio formats and codecs, from WAV and m4a to flac and aac. The full list is available in our documentation under "Supported files & duration," but make sure to reach out to our team if you encounter any issues with your specific file format.
What type of companies use Gladia’s audio transcription API?
🛠️ 1
tool
wrote:
Any company that manages or produces audio or video data can benefit from Gladia’s Speech-to-Text technology. Among others, we work with: Virtual meeting providers, note-takers and collaboration platforms use audio transcription to help their customers store and exploit vast amounts of meeting data, giving them access to a previously untapped source of internal knowledge. Contact centers, technology providers, sales enablement- and CRM enrichment platforms improve their performance with real-time transcription, detailed analytics and insights, as well as AI voice companies using STT and TTS APIs in their services and selling to businesses that require enhanced communication capabilities. Audio, video, and media production companies like streaming platforms, screencast or podcast production software, media platforms and forums, and audio and video recording or sharing products all use audio and video transcription. Both to make their content exponentially faster to catalog, access and search for, as well as to generate captions and subtitles. Specialized companies in industries such as medicine, law and finance find great value in speech-to-text technology that is fine-tuned to their specific language.
Is Gladia secure?
🛠️ 1
tool
wrote:
At Gladia, we are used to working with organizations with highly sensitive data and extremely tight security requirements. By default, we deliver our audio transcription services in a cloud-hosted environment which can be customized to your geographical footprint. We are able to deliver on-premises hosting, as well as air-gapped hosting, depending on your security requirements. As Gladia already operates in Europe with organizations that require airtight data privacy compliance, Gladia is able to offer GDPR-compliant audio transcription.
Does Gladia offer documentation and tutorials for users?
🛠️ 1
tool
wrote:
Yes, Gladia does offer ample documentation and tutorials for users. These resources are designed to assist users in understanding and utilizing Gladia's APIs effectively.
How does Gladia help me extract value from my data?
🛠️ 1
tool
wrote:
Gladia helps you extract value from your data through its sophisticated AI models. Whether it's audio, text, or visual data, Gladia's tools allow you to process and analyze this data in real time, making it actionable and easy to understand. This can lead to enhanced decision-making, improved customer service, or any other application where data insights are vital.
Why should I choose Gladia over other AI platforms?
🛠️ 1
tool
wrote:
Choosing Gladia over other AI platforms could be beneficial due to several reasons. Gladia's toolset is highly advanced and is tailored to help you extract maximum value from your data. The accuracy and speed of their Speech-to-Text API, its ability to support multiple languages, and Gladia's commitment to affordability and ease of use make it a compelling choice.
Who are some of Gladia's integration partners?
🛠️ 1
tool
wrote:
Pipecat, Vapi, Livekit, Twilio, Recall, MeetingBaaS. Learn more here: https://www.gladia.io/partners