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Gladia — AI for Music, Audio & Voice Production

The end-to-end audio infrastructure API to transcribe, enrich, and analyze your production audio with market-leading accuracy and speed.

Process real-world audio in 100+ languages with built-in speaker diarization, sentiment analysis, and entity detection.

DifferentiatorBundles high-accuracy transcription with speaker diarization and 100+ language support.
ProofClaims 29% higher accuracy than alternatives; #1 on pyannoteAI diarization benchmark.
Try Gladia
Free Plan Pro from€50 in free credits
Free plan verified · free AI tools for Music Producers
9.2 Zekai
Developer-First Audio Intelligence API
AI for Music, Audio & Voice Production
Ease of Use
8.8
Accuracy
9.4
Value
9.6
Time Saving
9.2
300,000+Users
9.2/10Zekai Score
Real-Time API100+ LanguagesSpeaker DiarizationSOC 2 CompliantAudio Intelligence
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Zekai Verdict

What is it?
Gladia provides a developer-first API for high-performance audio transcription and intelligence.
Best for
It's best for technical teams and production houses needing a highly accurate and scalable API to integrate…
Not ideal for
Primarily an API, requiring development resources to integrate.
Price
Free plan
Zekai Score
9.2/10
Hand-scored by Zekai

Top AI for Music, Audio & Voice Production picks

See all 90 AI tools for Music Producers →
⚡ Quick answer

For music, audio, and voice production, Gladia is a top choice for professionals needing a robust API. It delivers exceptional transcription accuracy on real-world noisy audio, supports over 100 languages with code-switching, and includes critical production features like speaker diarization and precise word timings directly in the API, streamlining editing and subtitling workflows.

CategoryAI Audio Transcription API
Best ForDevelopers needing high-accuracy, multilingual transcription.
Price FromFree tier available
Free1
DifferentiatorBundles high-accuracy transcription with speaker diarization and 100+ language support.
ProofClaims 29% higher accuracy than alternatives; #1 on pyannoteAI diarization benchmark.
Rating9.2/10
📖 About Gladia

Gladia provides a developer-first API for high-performance audio transcription and intelligence. Designed for production workflows, it handles noisy, multilingual, and conversational audio, turning raw sound into structured data for editing, analysis, and downstream applications.

How It Works

Your workflow, automated

1
Capture Audio
Upload audio or video from any source—live streams, file uploads, or real-time mic input—via the API using SDKs for Python, Node.js, and more.
2
Transcribe & Analyze
Gladia transforms the audio into a clean transcript, handling noise, multiple languages, and jargon while applying speaker diarization and sentiment analysis.
3
Integrate Enriched Data
Receive a structured JSON output with timestamps, speaker turns, and entities to push into your editing software, CRM, or other downstream workflows.
Ready to automate your workflow with Gladia?
Try Gladia →
Real Impact

Before & After

❌ Before

Manually transcribing hours of audio or using inaccurate, slow tools.

Hours of manual work
✅ After

Automated, highly accurate transcripts with speaker labels and insights in minutes.

95% faster processing
Prompt Templates

Try it with these prompts

Copy any prompt and paste it directly into the tool.

Summarize meeting with key topics

Transcribe the following meeting audio and provide a summary. Identify the key topics discussed and list any action items assigned. Ensure all PII is redacted.

Analyze sentiment of customer support calls

Process this customer support call audio to detect the overall sentiment. Provide a confidence score for the sentiment analysis and highlight any specific phrases that indicate positive or negative feedback.

Extract entities from transcribed interviews

Transcribe the provided interview audio and extract all named entities, including people, organizations, and locations. Present the extracted entities in a structured format.

AI Prompts

Prompts for Music Producers

Prompt 01 Suno Prompt for a Cinematic Track
cinematic orchestral score, epic and emotional, building tension. Starts with a solo cello, gradually adds a string section, crescendo with brass and timpani drums at 120 BPM, in the style of Hans Zimmer.
Prompt 02 Moody Downtempo Electronica
Downtempo electronica, 90 BPM, melancholic and introspective. Core instruments: warm analog synth pads, a simple TR-808 drum pattern, and a deep sub bass. Ethereal female vocal chop used as an instrument, no lyrics. Production: sidechain co…
Prompt 03 70s Soul-Funk Groove
Uptempo soul-funk, 115 BPM, energetic and joyful. Instrumentation: clean electric guitar playing staccato chords (Chic-style), tight pocket drums, slap bassline, and a brass section with horn stabs. Lead vocal: powerful female soul singer w…
See all 26 AI prompts for Music Producers →
Social Proof

Trusted by 300,000+

300,000+ professionals using this tool
Ease of Use
8.8
Accuracy
9.4
Value
9.6
Time Saving
9.2

"We just plugged in the Solaria model — ultra-fast, crazy accurate transcription in 100+ languages. The results are incredible."

Kwin K., Co-Founder · June 2026

"Having tried numerous STT solutions, I can confidently say: Gladia's API outshines the rest. Its balance of accuracy, speed, and precise word timings is unparalleled."

Jean P., Co-Founder · May 2026

"We initially tried hosting Whisper, which was a huge effort to scale. Switching to Gladia was a welcome change, though the initial API integration still required dedicated engineering time to get right."

Robin L., CTO · April 2026

"The speed and accuracy improvements were game-changers. We cut transcription time by 95% and the multilingual support is unmatched."

Matthias W., CTO · March 2026
300,000+ professionals are already using this tool.
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Connects With

Gladia integrations

Python SDK Node.js SDK Zapier Make Pipecat LiveKit Twilio Zoom Google Meet Microsoft Teams
Setup complexity: Requires Coding
Gladia provides a developer-first API for high-performance audio transcription and intelligence. Designed for production workflows, it handles noisy, multilingual, and conversational audio, turning raw sound into structured data for editing, analysis, and downstream applications.
Comparison

Best Gladia alternatives

Gladia is the stronger choice over AssemblyAI for global audio projects, supporting over 100 languages to AssemblyAI's 30+. A key differentiator is that Gladia includes high-quality speaker diarization and other audio intelligence features within its base pricing, whereas these are often paid add-ons with AssemblyAI. This makes Gladia more cost-predictable for feature-rich applications. Choose Gladia for its superior language support and all-in-one feature set. Opt for AssemblyAI if your focus is primarily on English-language audio and you prefer an à la carte model for adding features.

The decision

Is Gladia worth it?

Return on investment
By automating a 1-hour transcription task to under 3 minutes, an audio engineer can save over 18 hours of manual work on a 20-hour project, justifying the API cost within a single engagement.
Built for
Audio engineers, post-production studios, podcast producers, and developers building voice-enabled applications or media tools.
Effort to adopt
Requires Coding
Compliance
Gladia is SOC 2 Type II, GDPR, HIPAA, and ISO 27001 compliant. The company contractually guarantees it does not train its models on customer audio data.
Who It's For

Why Music, Audio & Voice Production choose this tool

🎯
Built for
It's best for technical teams and production houses needing a highly accurate and scalable API to integrate transcription and audio intelligence into their workflows.
In-Depth Overview
For audio production professionals, accuracy is non-negotiable. Gladia delivers with its Solaria-3 model, achieving a 9.6% Word Error Rate (WER) on real English audio and claiming a 29% higher accuracy rate than alternatives on conversational speech. This isn't just about clean transcripts; it's about reliability for downstream tasks like subtitling, editing, and feeding language models. The API processes audio with less than 300ms latency for real-time applications and supports over 100 languages, including seamless code-switching for multilingual content. Crucially, features that often cost extra with other services—like top-tier speaker diarization (3x lower error rate than competitors), sentiment analysis, and PII redaction—are built-in. This consolidation simplifies the tech stack and budget. With a 99.95% uptime SLA, SOC 2 Type II compliance, and default opt-out for data training, Gladia is built for professional, scalable workflows where data integrity and performance are paramount.

Key Use Cases

🎧
Automate transcript generation for faster editing and subtitling.
Post-Production Editor
Integrate the Gladia API into your editing workflow to automatically generate precise, time-stamped transcripts with speaker labels from raw audio files. Use the output to create subtitles, search for soundbites, and build paper edits.
95% reduction in transcription time
✓ Pros
Market-leading accuracy on noisy, conversational audio.
Extensive support for 100+ languages and accent resilience.
Bundles key features like speaker diarization and sentiment analysis at no extra cost.
Strong enterprise-grade security and compliance (SOC 2, GDPR, HIPAA).
Generous free tier with 10 hours of processing.
· Cons
Primarily an API, requiring development resources to integrate.
Pricing for paid tiers is not publicly listed, requiring a sales call.
Less suitable for non-technical individuals needing a simple transcription app.
Certain features like dedicated EU data residency may be enterprise-only.
⚡ Editorial Verdict

Gladia is an exceptionally powerful and accurate audio intelligence API, especially for complex, multilingual projects. Its bundled features like speaker diarization provide significant value. The main trade-off is its developer-centric nature; it is an API, not a standalone app, requiring technical expertise to implement.

Questions & Answers

Frequently asked questions

What is the most accurate transcription API for noisy audio?

+
Gladia's Solaria-3 model is designed for real-world production audio, achieving a 9.6% Word Error Rate (WER) and claiming 29% higher accuracy than alternatives on conversational speech.

Which speech-to-text API supports multilingual code-switching?

+
Gladia natively supports over 100 languages and handles code-switching, where speakers change languages mid-sentence, within a single API call without breaking structure or timestamps.

How does Gladia's transcription API handle data privacy?

+
Gladia is SOC 2 Type II, GDPR, HIPAA, and ISO 27001 compliant. It offers EU data residency and contractually guarantees it does not train its models on customer audio data.

Does Gladia offer speaker diarization?

+
Yes, Gladia includes speaker diarization (identifying who spoke when) natively in its API. It claims the #1 spot on the pyannoteAI benchmark with 3x lower diarization errors than competing providers.

How does Gladia compare to running open-source Whisper?

+
While Whisper is a powerful model, self-hosting requires significant DevOps effort to scale and maintain. Gladia provides a managed, enterprise-grade infrastructure with a 99.95% uptime SLA, lower latency, and bundled features like speaker diarization, saving teams an estimated 20% in DevOps effort.

Can I use Gladia to generate real-time subtitles?

+
Yes, Gladia's real-time API offers latency under 300ms and a 'Partials' feature for even faster results (<100ms), making it suitable for live transcription and generating subtitles for live streams.

Last reviewed:

Plans & Pricing

Gladia pricing and plans

Enterprise
Pricing on request
Tailored for teams and large organisations.
Contact Sales

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

See all 90 AI tools for Music Producers →
Free guide

Take it with you

Getting Started with Gladia for Audio Production
  • Why accurate transcription is crucial for modern audio workflows.
  • Understanding Gladia's core features: Transcription, Diarization, and Intelligence.
  • Use cases: Subtitling, paper edits, content analysis, and archiving.
  • Comparing Gladia to self-hosting Whisper: Cost, time, and reliability.
  • How to handle multilingual content and code-switching seamlessly.
+4 more steps inside the guide
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AI Directory

About Gladia

Full Description

Gladia provides a developer-first API for high-performance audio transcription and intelligence. Designed for production workflows, it handles noisy, multilingual, and conversational audio, turning raw sound into structured data for editing, analysis, and downstream applications.

Editorial Verdict

Gladia is an exceptionally powerful and accurate audio intelligence API, especially for complex, multilingual projects. Its bundled features like speaker diarization provide significant value. The main trade-off is its developer-centric nature; it is an API, not a standalone app, requiring technical expertise to implement.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to Gladia unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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