AssemblyAI vs PolyAI
Side-by-side comparison · Updated April 2026
| Description | AssemblyAI provides comprehensive Speech-to-Text and Audio Intelligence services, including streaming transcription, key phrase detection, sentiment analysis, summarization, PII redaction, and more. With competitive pricing and the ability to cater to large-scale enterprise solutions, this platform stands as a leader in leveraging voice data for diverse applications. | PolyAI delivers advanced voice AI solutions designed to modernize and enhance customer experiences across various industries. Their technology enables businesses to resolve over 50% of calls with consistent high satisfaction scores. With capabilities like real-time analytics, actionable insights, and seamless integration, PolyAI's voice assistant is proven to increase revenue and operational efficiency. Catering to a wide range of industries, PolyAI provides tailored implementations to meet specific business needs. |
| Category | Speech-To-Text | Conversational AI |
| Rating | No reviews | No reviews |
| Pricing | Freemium | Free |
| Starting Price | Free | Free |
| Plans |
|
|
| Use Cases |
|
|
| Tags | Speech-to-TextAudio Intelligencestreaming transcriptionkey phrase detectionsentiment analysis | voice AI solutionscustomer experiencesreal-time analyticsactionable insightsseamless integration |
| Features | ||
| Pay-as-you-go pricing with savings on committed usage | ||
| Streaming speech-to-text with <600 ms latency | ||
| Support for 17+ languages and 1.1 million training hours | ||
| High transcription accuracy >90% | ||
| Sentiment analysis, summarization, and PII redaction | ||
| Customizable vocabulary and spelling | ||
| Comprehensive audio intelligence models | ||
| LeMUR for sophisticated insights from voice data | ||
| Enterprise-level scalability and support | ||
| EU Data Residency compliance | ||
| Over 50% call resolution | ||
| Real-time analytics | ||
| Seamless integration | ||
| 24/7 operational capacity | ||
| Actionable insights | ||
| Improved customer satisfaction | ||
| Ongoing performance updates | ||
| Multi-language support | ||
| Customizable voice assistants | ||
| Enhanced revenue generation | ||
| View AssemblyAI | View PolyAI | |