Gladia

New! Evaluating speech-to-text vendors with Gladia's Buyer's Guide. Get your copy. ProductSolutionsPricingDevelopersResourcesCompanyRequest a demoSign upProductAPIsSpeech-to-TextAsynchronous transcription and add-ons with no hallucinationsReal-Time StreamingFirst fully multilingual real-time transcription engine with <300ms latencyMODELSSolariaThe first truly universal STT — real-time, precise, and fluent in any language.SolutionsUse casesCustomer experienceReal-time AI to boost productivity of contact center agentsSales enablementAI transcription and insights to supercharge sales callsMeeting assistantsFlawless transcription for LLM-based AI assistants with note-taking capabilitiesMediaStreamlined editing and subtitles with time-stamped transcriptionindustryVoice agentsAI-powered productivity for voice-based customer interactionsCCaaSFlexible AI transcription for scalable contact center solutionsBPOSmart transcription tools for efficient outsourced operationsPricingDevelopersPlaygroundExplore our APIs with a dedicated playground appDocumentationAll you need to know to get started with GladiaDiscordWhere our community livesStatusReal-time updates on the status and performance of our servicesResourcesBlogRead our latest articles about speech-to-text, LLMs and moreLibraryLatest premium content Whisper TCO CalculatorCalculate the cost of ownership of hosting open-source Whisper ASRReal-time API benchmarksComparing Gladia’s performance against pure playersCompanyAbout usOur team and company storyCareersFor current job openingsPressOur latest press features, media kit and boilerplatePartnersJoin our ecosystem of partnersGet startedGet startedNEWOpen-source benchmarks hereThe speech-to-textbackbone formeeting assistantscustomer supportvoice agentsnote takingmeeting assistantsvoice agentscustomer supportmeeting assistancenote takingvoice agentsFrom async to live streaming, our API empowers your platform with accurate, fully multilingual speech-to-text and actionable speaker insights.Request a demoSign up for freeTrusted by 300,000+ developers worldwideSee moreMost voice platform failures start with bad STT From missed key information to misattributed speakers, poor transcripts break trust in your product. Gladia captures critical insights across accents, jargon, and industries to deliver reliable voice experiences.performancePerformance that won’t disappointAsync and real-time STT models with high precision on key entities.Check our benchmarksSub-300ms latencyTo keep conversations seamless & ensure smooth, uninterrupted dialogue every time.Leading STT accuracy Capturing numerical, jargon, and key entities such as names and emails for downstream agent tasks.Predictable, stable performanceForget variance spikes to deliver a consistent user experience.Optimized for SIPAs well as telephony protocols (8 kHz), fitting natively into your existing workflows.SCALINGScale without thinkingInstant scalability. No limits, no fine print.Talk to salesInfinite parallel streamsNo need to forecast, give notice, or over-provision in advance.​​Zero infra burden Save at least 20% of DevOps effort without sacrificing latency, with no need to self-host.Flexible, usage-based pricing Start small, test freely, scale-as-you-go with clear pricing tiers.INTEGRATIONDeveloper-firstexperiencePlug. Build. Ship.Gladia documentationLightweight SDKMinimal lines of code to make setup fast and painless.Fast integrationREST or WebSocket connections are simple to configure in under a day.Telephony readyDesigned to integrate seamlessly with top communication platforms.Ecosystem nativeWorks out-of-the-box with WebRTC, Recall, and more.Direct supportHigh-touch Slack access for instant help from engineers building the tech.Compliance & securityAt Gladia, data privacy is non-negotiable. We never use your audio to retrain our models, and we don’t believe in charging extra for peace of mind.Learn more about our security practicesGDPR CompliantHIPAA CompliantAICPA SOC Type 2GDPR CompliantHIPAA CompliantAICPA SOC Type 2LANGUAGe SUPPORT1 providerfor any languageExpand globally with a single API.100+ languages included.Talk to salesTranscribes in any languagesWith leading accuracy in EN, FR, ES, and IT, with exclusive support for rare languages.Advanced code-switchingAdvanced recognition handles natural multilingual conversations without errors.Any-to-any translationEnsures seamless communication across all supported languages.BENCHMARKSHow we compare to alternativesGladia is up to 39% more accurate than leading competitors in major European languages, including EnglishCheck our benchmarksRated 4.8 on G2Why customers choose usHere's what top-tier voice platform builders say about our productWatch Attention case studyMatthias WinckenburgCTO & Founder, AttentionSee more"There’s a lot more than one can get out of audio than just transcription, and Gladia understood that. Feature rollouts are proactive, and anticipate our needs as a platform. Their API performs very well with noisy telephony and stereo audio and does an excellent job with languages."Alexandre BoujuCTO Deputy Manager"Gladia has a clear-cut advantage when it comes to European languages. With their API, we acquired new users in countries like Finland and Sweden, who say it's the best transcription they've ever tried."Lazare RossillonCEO"We are 100% benchmark and evaluation driven. Gladia was one of the best providers selected on merit to transcribe user videos, especially for non-English languages. Their reactive customer support and data compliance make their offer really compelling."Kojo HinsonGroup Engineering Manager"It's the first time we've been able to transcribe video with such accuracy and speed - including when the conversation is technical. Whatever the language or accent, the quality is always there."Robin BonduelleCEO"Having tried numerous speech-to-text solutions, I can confidently say: Gladia's API outshines the rest. Their balance of accuracy, speed, and precise word timings is unparalleled."Jean PatryCo-founder"We initially attempted to host Whisper Al, which required significant effort to scale. Switching to Gladia's transcription service brought a welcome change."Robin LambertCPO"The quality of the output from our platform, everything that we do based on this transcription became better after we switched to Gladia."Valentin van GastelVP of Product & Engineering"There’s a lot more than one can get out of audio than just transcription, and Gladia understood that. Feature rollouts are proactive, and anticipate our needs as a platform. Their API performs very well with noisy telephony and stereo audio and does an excellent job with languages."Alexandre BoujuCTO Deputy Manager"It's the first time we've been able to transcribe video with such accuracy and speed - including when the conversation is technical. Whatever the language or accent, the quality is always there."Robin BonduelleCEO"Having tried numerous speech-to-text solutions, I can confidently say: Gladia's API outshines the rest. Their balance of accuracy, speed, and precise word timings is unparalleled."Jean PatryCo-founder"The quality of the output from our platform, everything that we do based on this transcription became better after we switched to Gladia."Valentin van GastelVP of Product & Engineering"We are 100% benchmark and evaluation driven. Gladia was one of the best providers selected on merit to transcribe user videos, especially for non-English languages. Their reactive customer support and data compliance make their offer really compelling."Kojo HinsonGroup Engineering Manager"Gladia has a clear-cut advantage when it comes to European languages. With their API, we acquired new users in countries like Finland and Sweden, who say it's the best transcription they've ever tried."Lazare RossillonCEO"We initially attempted to host Whisper Al, which required significant effort to scale. Switching to Gladia's transcription service brought a welcome change."Robin LambertCPO"Having tried numerous speech-to-text solutions, I can confidently say: Gladia's API outshines the rest. Their balance of accuracy, speed, and precise word timings is unparalleled."Jean PatryCo-founder"The quality of the output from our platform, everything that we do based on this transcription became better after we switched to Gladia."Valentin van GastelVP of Product & Engineering"Gladia has a clear-cut advantage when it comes to European languages. With their API, we acquired new users in countries like Finland and Sweden, who say it's the best transcription they've ever tried."Lazare RossillonCEO"We are 100% benchmark and evaluation driven. Gladia was one of the best providers selected on merit to transcribe user videos, especially for non-English languages. Their reactive customer support and data compliance make their offer really compelling."Kojo HinsonGroup Engineering Manager"We initially attempted to host Whisper Al, which required significant effort to scale. Switching to Gladia's transcription service brought a welcome change."Robin LambertCPO"It's the first time we've been able to transcribe video with such accuracy and speed - including when the conversation is technical. Whatever the language or accent, the quality is always there."Robin BonduelleCEO"There’s a lot more than one can get out of audio than just transcription, and Gladia understood that. Feature rollouts are proactive, and anticipate our needs as a platform. Their API performs very well with noisy telephony and stereo audio and does an excellent job with languages."Alexandre BoujuCTO Deputy Manageruse casesWhat you can build with our APIPowering the next generation of AI assistants and voice agents across industriesCustomer supportDeliver natural conversations at scale — with agents that answer instantly, never drop a call, and handle thousands of interactions in parallel, inbound and outbound.transcribed 95% faster with GladiaSales enablementCapture names, emails, and company details across accents and languages, then sync seamlessly into CRMs to supercharge sales teams with top-tier AI assistance.closed more deals globally. Here's howDiscover Attention case studyNote-takersCapture every detail automatically — with real-time or async transcription that tags speakers, generates summaries, and more across all your tools.How Gladia supports note-takers?Financial servicesRun voice agents that can engage customers in sensitive, compliance-heavy contexts, with stable transcription and top numerical accuracy.How Gladia supports financial services?Voice is the ultimate interface. We’re here to make it real.At Gladia, we believe that the future of human–machine interaction is voice. Speaking should be the most natural way to access information, build products, and connect with technology.Read moreAll your questions. Answered.What are the key features of Gladia’s audio transcription API?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?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?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?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?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?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?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?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. ProductReal-time STTBatch STTSolariaPricingUse casesCustomer experienceSales enablementMeeting assistantsMediaDevelopersPlaygroundDocumentationDiscordStatusResourcesBlogAbout usCareersPressSecurityTrust centerGladia vs DeepgramGladia vs AssemblyAIAI note-takers guideLegal Terms & conditions | Gladia SASTerms & conditions | Gladia Inc.General terms of use | Gladia SASGeneral terms of use | Gladia Inc.Privacy noticeLegal noticeCookies preferencesAI audio infrastructure for companiesGDPR CompliantHIPAA CompliantAICPA SOC Type 2ISO 27001 Compliant --- ProductSolutionsPricingDevelopersResourcesCompanyRequest a demoSign upProductAPIsSpeech-to-TextAsynchronous transcription and add-ons with no hallucinationsReal-Time StreamingFirst fully multilingual real-time transcription engine with <300ms latencyMODELSSolariaThe first truly universal STT — real-time, precise, and fluent in any language.SolutionsUse casesCustomer experienceReal-time AI to boost productivity of contact center agentsSales enablementAI transcription and insights to supercharge sales callsMeeting assistantsFlawless transcription for LLM-based AI assistants with note-taking capabilitiesMediaStreamlined editing and subtitles with time-stamped transcriptionindustryVoice agentsAI-powered productivity for voice-based customer interactionsCCaaSFlexible AI transcription for scalable contact center solutionsBPOSmart transcription tools for efficient outsourced operationsPricingDevelopersPlaygroundExplore our APIs with a dedicated playground appDocumentationAll you need to know to get started with GladiaDiscordWhere our community livesStatusReal-time updates on the status and performance of our servicesResourcesBlogRead our latest articles about speech-to-text, LLMs and moreLibraryLatest premium content Whisper TCO CalculatorCalculate the cost of ownership of hosting open-source Whisper ASRReal-time API benchmarksComparing Gladia’s performance against pure playersCompanyAbout usOur team and company storyCareersFor current job openingsPressOur latest press features, media kit and boilerplatePartnersJoin our ecosystem of partnersGet startedGet startedAbout usVoice is the primary way humans communicate. From virtual meetings to content creation and customer support calls — words have value we can’t afford to loseWe started Gladia in response to a pressing need: to make it possible for any company to easily embed cutting-edge transcription into their products, whatever your language, industry, or tech stack.Audio transcription is the foundation of many great platforms today, so it needs to be rock-solid. We built and optimized the best ASR and GenAI models for speech and language understanding, so you can focus on delivering the best possible user experience without hallucinations, lags, or broken transcripts. Real-time AI is the next frontier that will transform a range of industries. From assisting sales agents on call to providing automated customer support, we have designed the best platform-agnostic engine to power all key enterprise use cases—and going beyond just transcription. Our commitment extends to helping you leverage in-depth insights and metadata from every call and meeting, all in real time. Our ultimate goal is to create a one-stop-shop audio AI infrastructure. The ultimate destination for anyone looking to convert unstructured data from calls into actionable insights for call agents, sales representatives, digital nomads, and content creators worldwide.To make every conversation count.We are a multi-discpliniary team driven by a common vision: to inspire new ways to work with the help of AI.We're deeply passionate about the tech and highly ambitious in our approach to unlocking its full potential with best-in-class models. We share the same core values: benevolence, honesty, and transparency. If you're excited by our mission and values, don't hesitate to reach out.Check our job openingsBacked by top EU and US VCsProductReal-time STTBatch STTSolariaPricingUse casesCustomer experienceSales enablementMeeting assistantsMediaDevelopersPlaygroundDocumentationDiscordStatusResourcesBlogAbout usCareersPressSecurityTrust centerGladia vs DeepgramGladia vs AssemblyAIAI note-takers guideLegal Terms & conditions | Gladia SASTerms & conditions | Gladia Inc.General terms of use | Gladia SASGeneral terms of use | Gladia Inc.Privacy noticeLegal noticeCookies preferencesAI audio infrastructure for companiesGDPR CompliantHIPAA CompliantAICPA SOC Type 2ISO 27001 CompliantBy continuing your navigation, you apply the use of cookies intended to improve the performance and the functionalities of this site.No, thanksAccept --- New! Evaluating speech-to-text vendors with Gladia's Buyer's Guide. Get your copy. ProductSolutionsPricingDevelopersResourcesCompanyRequest a demoSign upProductAPIsSpeech-to-TextAsynchronous transcription and add-ons with no hallucinationsReal-Time StreamingFirst fully multilingual real-time transcription engine with <300ms latencyMODELSSolariaThe first truly universal STT — real-time, precise, and fluent in any language.SolutionsUse casesCustomer experienceReal-time AI to boost productivity of contact center agentsSales enablementAI transcription and insights to supercharge sales callsMeeting assistantsFlawless transcription for LLM-based AI assistants with note-taking capabilitiesMediaStreamlined editing and subtitles with time-stamped transcriptionindustryVoice agentsAI-powered productivity for voice-based customer interactionsCCaaSFlexible AI transcription for scalable contact center solutionsBPOSmart transcription tools for efficient outsourced operationsPricingDevelopersPlaygroundExplore our APIs with a dedicated playground appDocumentationAll you need to know to get started with GladiaDiscordWhere our community livesStatusReal-time updates on the status and performance of our servicesResourcesBlogRead our latest articles about speech-to-text, LLMs and moreLibraryLatest premium content Whisper TCO CalculatorCalculate the cost of ownership of hosting open-source Whisper ASRReal-time API benchmarksComparing Gladia’s performance against pure playersCompanyAbout usOur team and company storyCareersFor current job openingsPressOur latest press features, media kit and boilerplatePartnersJoin our ecosystem of partnersGet startedGet startedPARTNERSBuild better, faster voice AI with our ecosystem of partnersShip your product in days, not weeks with pre-built integrations for real-time voice agents, meeting recorders, or telephony.Become a partnerOur integrationsVOICE AGENTSVOICE AGENTSVOICE AGENTStelephonyMeeting RecordersMeeting RecordersWhy build with us?Faster integrationsShip your product faster with pre-built integrations & SDKsIncreased visibilityGrow your user base through co-marketing activities & ecosystem visibilityBetter accuracyBuild on enterprise-grade accuracy your customers can trustGDPR CompliantHIPAA CompliantAICPA SOC Type 2Trusted by 300,000+ developers worldwideSee more“Gladia’s real-time code-switching has been a real “wow” factor! Plus, the accuracy of transcription has been excellent.”Amanda ZhuCo-Founder at Recall“With world-class language auto-detection, translation across 100+ languages, and outstanding performance in French, we’re proud to partner with Gladia.” Kwin KramerCo-founder at DailySee what other builders are creatingComplete guide to building voice agents using Gladia and LivekitBy Henryk BrzozowskiWatch videoSecret trick to easily adding multiple languages in VapiBy Henryk BrzozowskiWatch videoBuild multilingual voice AI assistants with Gladia and PipecatBy Sanava AIWatch videoJOIN USLet’s build the future of voice togetherBecome a partnerProductReal-time STTBatch STTSolariaPricingUse casesCustomer experienceSales enablementMeeting assistantsMediaDevelopersPlaygroundDocumentationDiscordStatusResourcesBlogAbout usCareersPressSecurityTrust centerGladia vs DeepgramGladia vs AssemblyAIAI note-takers guideLegal Terms & conditions | Gladia SASTerms & conditions | Gladia Inc.General terms of use | Gladia SASGeneral terms of use | Gladia Inc.Privacy noticeLegal noticeCookies preferencesAI audio infrastructure for companiesGDPR CompliantHIPAA CompliantAICPA SOC Type 2ISO 27001 CompliantBy continuing your navigation, you apply the use of cookies intended to improve the performance and the functionalities of this site.No, thanksAccept --- ProductSolutionsPricingDevelopersResourcesCompanyRequest a demoSign upProductAPIsSpeech-to-TextAsynchronous transcription and add-ons with no hallucinationsReal-Time StreamingFirst fully multilingual real-time transcription engine with <300ms latencyMODELSSolariaThe first truly universal STT — real-time, precise, and fluent in any language.SolutionsUse casesCustomer experienceReal-time AI to boost productivity of contact center agentsSales enablementAI transcription and insights to supercharge sales callsMeeting assistantsFlawless transcription for LLM-based AI assistants with note-taking capabilitiesMediaStreamlined editing and subtitles with time-stamped transcriptionindustryVoice agentsAI-powered productivity for voice-based customer interactionsCCaaSFlexible AI transcription for scalable contact center solutionsBPOSmart transcription tools for efficient outsourced operationsPricingDevelopersPlaygroundExplore our APIs with a dedicated playground appDocumentationAll you need to know to get started with GladiaDiscordWhere our community livesStatusReal-time updates on the status and performance of our servicesResourcesBlogRead our latest articles about speech-to-text, LLMs and moreLibraryLatest premium content Whisper TCO CalculatorCalculate the cost of ownership of hosting open-source Whisper ASRReal-time API benchmarksComparing Gladia’s performance against pure playersCompanyAbout usOur team and company storyCareersFor current job openingsPressOur latest press features, media kit and boilerplatePartnersJoin our ecosystem of partnersGet startedGet startedE-bookEvaluating speech-to-text vendors with Gladia's Buyer’s GuideYour Industry/use caseVocal AgentCCaaS / CPaaS / BPO / TelephonyNote TakerContent & MediaOtherBy submitting this form, you agree to the Privacy PolicyThank you!You can now download the ebook.Download ebookOops! Something went wrong while submitting the form.How you evaluate a speech-to-text (STT) provider will vary greatly depending on whether you’re integrating the API for customer support agent assist, video transcription, call analytics, or another use case entirely.That’s why we created this buyer’s guide to help you find a solution that aligns with your goals and navigate the market with:Key evaluation criteria to drive informed and smart decisionsEssential vendor questions to ask at every stageHighlight of industry insights to help navigate the marketProductReal-time STTBatch STTSolariaPricingUse casesCustomer experienceSales enablementMeeting assistantsMediaDevelopersPlaygroundDocumentationDiscordStatusResourcesBlogAbout usCareersPressSecurityTrust centerGladia vs DeepgramGladia vs AssemblyAIAI note-takers guideLegal Terms & conditions | Gladia SASTerms & conditions | Gladia Inc.General terms of use | Gladia SASGeneral terms of use | Gladia Inc.Privacy noticeLegal noticeCookies preferencesAI audio infrastructure for companiesGDPR CompliantHIPAA CompliantAICPA SOC Type 2ISO 27001 CompliantBy continuing your navigation, you apply the use of cookies intended to improve the performance and the functionalities of this site.No, thanksAccept