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.
Otter.ai
Otter.ai is an AI-powered transcription service that provides real-time meeting notes, automated summaries, and searchable audio recordings to help you capture and share insights from every conversation effortlessly.
Quick Comparison
| Feature | AssemblyAI | Otter.ai |
|---|---|---|
| Website | assemblyai.com | otter.ai |
| Pricing Model | Subscription | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✓ 0 days free trial | ✓ 7 days free trial |
| Free Plan | ✘ No free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✘ No product demo |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2017 | 2016 |
| Headquarters | San Francisco, USA | Mountain View, USA |
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.
Otter.ai
Otter.ai transforms your meetings into searchable, actionable data by providing real-time transcription and automated summaries. You can connect your calendar to have the OtterPilot automatically join your Zoom, Google Meet, or Microsoft Teams calls to record audio, write notes, and capture presentation slides. This ensures you stay fully engaged in the conversation without worrying about manual note-taking.
Beyond live meetings, you can upload existing audio or video files to generate text transcripts in minutes. The platform identifies different speakers and allows you to highlight key moments or assign action items directly within the transcript. Whether you are a student recording lectures or a professional managing back-to-back client calls, you can easily organize and share your meeting insights across your entire team.
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.
Otter.ai Features
- OtterPilot for Meetings. Automate your meeting workflow by having an AI assistant join your calls to record, transcribe, and share notes automatically.
- Real-time Transcription. Watch your conversations turn into text instantly with live captioning that identifies different speakers and highlights key vocabulary.
- Automated Summaries. Save time with AI-generated summaries that capture the most important points and action items from every meeting you attend.
- Automated Slide Capture. Capture presentation slides automatically during virtual meetings and insert them directly into your notes for complete visual context.
- Otter AI Chat. Ask questions about your meeting history to get instant answers, generate content like follow-up emails, or summarize specific discussion points.
- Custom Vocabulary. Teach the AI your specific industry jargon, names, and acronyms to ensure your transcripts are accurate and professional.
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
Otter.ai Pricing
- 300 monthly transcription minutes
- 30 minutes per conversation
- OtterPilot joins Zoom/Meet/Teams
- Automated meeting summaries
- Real-time recording and playback
- Everything in Basic, plus:
- 1,200 monthly transcription minutes
- 90 minutes per conversation
- Import 10 audio/video files monthly
- Advanced search and export
- 100 custom vocabulary terms
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
Otter.ai
Pros
- Highly accurate real-time transcription for clear speakers
- Seamless integration with major video conferencing tools
- Useful automated summaries save hours of review
- Mobile app allows for easy on-the-go recording
- Search functionality makes finding specific quotes effortless
Cons
- Accuracy drops significantly with heavy background noise
- Monthly minute limits on free plan are restrictive
- Struggles with strong accents or technical terminology
- Occasional glitches when joining password-protected meetings