AssemblyAI
AssemblyAI provides a robust API platform that allows you to integrate advanced speech-to-text, speaker identification, and audio intelligence features into your applications using state-of-the-art AI models.
Gladia
Gladia provides a real-time speech-to-text API that transforms audio into accurate transcripts and actionable insights for your enterprise applications and data workflows.
Quick Comparison
| Feature | AssemblyAI | Gladia |
|---|---|---|
| Website | assemblyai.com | gladia.io |
| Pricing Model | Subscription | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✓ 0 days free trial | ✘ No free trial |
| Free Plan | ✘ No free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2017 | 2022 |
| Headquarters | San Francisco, USA | Paris, France |
Overview
AssemblyAI
AssemblyAI gives you the tools to build powerful AI features into your products using simple APIs. You can transcribe audio and video files with high accuracy, identify different speakers in a recording, and extract actionable insights like sentiment, summaries, and key topics automatically. It handles the complex heavy lifting of machine learning so you can focus on building your core application.
Whether you are building a meeting assistant, a content moderation tool, or a media analysis platform, you can scale your processing from a few files to millions of hours of audio. The platform supports both asynchronous file processing and real-time streaming, making it a flexible choice for developers and enterprises across industries like telecommunications, healthcare, and media.
Gladia
Gladia offers a high-performance speech-to-text API designed to help you extract value from audio data in real-time. You can integrate advanced transcription capabilities into your existing platforms to support over 100 languages with exceptional accuracy. The engine handles noisy environments and diverse accents, ensuring your data remains reliable regardless of the recording quality.
Beyond simple transcription, you can use the platform to generate automated summaries, detect speaker changes, and perform sentiment analysis. It is built specifically for developers and enterprises in sectors like contact centers, media, and meeting assistants. By offloading complex audio processing to their infrastructure, you can focus on building core product features while maintaining low latency and high scalability.
Overview
AssemblyAI Features
- Speech-to-Text Transcription Convert your audio and video files into accurate text transcripts with support for over 80 different languages.
- Real-Time Streaming Transcribe live audio streams with low latency so you can power captions and voice commands in real-time.
- Speaker Diarization Detect and label different speakers in a single audio file to follow conversations and interviews more effectively.
- Audio Intelligence Extract summaries, detect sentiment, and identify key chapters automatically to understand your content at a deeper level.
- PII Redaction Protect user privacy by automatically identifying and redacting sensitive personal information from your transcripts and audio files.
- Content Moderation Identify hate speech, violence, or sensitive topics in audio recordings to keep your platform safe and compliant.
Gladia Features
- Real-time Transcription. Convert live audio streams into text with millisecond latency to power your instant captions and live assistants.
- Multilingual Support. Transcribe and translate content in over 100 languages automatically without needing to manually specify the source language.
- Speaker Diarization. Identify and label different speakers in a recording so you can follow the flow of complex conversations easily.
- Audio Intelligence. Extract actionable insights like automated summaries, key chapters, and sentiment analysis directly from your audio files.
- Code-Switching Detection. Maintain accuracy even when speakers switch between different languages mid-sentence during a single conversation.
- Asynchronous Processing. Upload large batches of recorded files for rapid background processing and retrieve your transcripts via webhooks.
Pricing Comparison
AssemblyAI Pricing
- $50 free credit to start
- Core Transcription: $0.37/hr
- Real-time Streaming: $0.47/hr
- Audio Intelligence: $0.15/hr
- No monthly commitment
- Access to all AI models
- Everything in Pay-as-you-go, plus:
- Volume-based discounts
- Dedicated support engineer
- Custom service level agreements
- Advanced security features
- Priority processing queues
Gladia Pricing
- 10 hours of audio per month
- Real-time & Async API access
- Standard support
- Core transcription features
- Community access
- Everything in Free, plus:
- 50 hours of audio included
- Faster processing concurrency
- Email support
- Advanced audio intelligence add-ons
- Usage-based billing for extra hours
Pros & Cons
AssemblyAI
Pros
- Exceptional accuracy for complex audio and accents
- Extremely easy-to-use API with great documentation
- Fast processing speeds for large batches of files
- Responsive and helpful technical support team
Cons
- Costs can scale quickly for high-volume users
- Real-time latency varies based on internet connection
- Limited customization for specific niche industry vocabularies
Gladia
Pros
- Exceptional accuracy in noisy environments
- Very low latency for real-time applications
- Easy integration with clear API documentation
- Generous free tier for initial development
- Supports a massive range of languages
Cons
- Advanced features require paid add-ons
- Pricing can scale quickly with high volume
- Limited native integrations for non-developers