AssemblyAI vs Conformer2
Side-by-side comparison · Updated May 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. | Conformer-2 is AssemblyAI's latest AI model for automatic speech recognition, designed to enhance performance on proper nouns, alphanumerics, and resistance to noise. Trained on an extensive dataset of 1.1M hours of English audio, Conformer-2 builds on the success of Conformer-1, providing a substantial 31.7% improvement on alphanumerics, a 6.8% improvement on Proper Noun Error Rate, and a 12.0% boost in noise robustness. Additionally, it maintains Conformer-1's word error rate while significantly reducing latency by up to 53.7%. |
| Category | Speech-To-Text | Speech-To-Text |
| Rating | No reviews | No reviews |
| Pricing | Paid | Pricing unavailable |
| Starting Price | $0.37 | N/A |
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| Tags | Speech-to-TextAudio Intelligencestreaming transcriptionkey phrase detectionsentiment analysis | AI modelautomatic speech recognitionConformer-2proper nounsalphanumerics |
| 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 | ||
| 31.7% improvement on alphanumerics | ||
| 6.8% improvement on Proper Noun Error Rate | ||
| 12.0% boost in noise robustness | ||
| Trained on 1.1M hours of English audio | ||
| Maintains word error rate parity with Conformer-1 | ||
| Up to 53.7% reduction in latency | ||
| Enhanced performance in real-world audio conditions | ||
| Improved transcription accuracy | ||
| Increased number of models used for pseudo-labeling data | ||
| Developed by AssemblyAI | ||
| View AssemblyAI | View Conformer2 | |
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