Conformer2 vs Pronounce
Side-by-side comparison · Updated May 2026
| Description | 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%. | Pronounce AI is an innovative tool designed to enhance verbal communication skills by providing instant feedback on voice recordings. Tailored for professionals such as executives, educators, and therapists, it utilizes AI-driven speech recognition to analyze aspects like pronunciation, grammar, and fluency. The platform is versatile, catering to various use cases, including team communication, language learning, and accent training. Pronounce AI acts as a personal speaking coach, helping users to improve their confidence and effectiveness in both professional and personal conversations through targeted practice and interactive AI chats. |
| Category | Speech-To-Text | Language Learning |
| Rating | No reviews | No reviews |
| Pricing | Pricing unavailable | Freemium |
| Starting Price | N/A | Free |
| Plans | — |
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| Use Cases |
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| Tags | AI modelautomatic speech recognitionConformer-2proper nounsalphanumerics | verbal communicationvoice recordingsspeech recognitionpronunciationgrammar |
| Features | ||
| 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 | ||
| Instant feedback on voice recordings | ||
| Pronunciation correction | ||
| Grammar suggestions | ||
| Vocabulary practice | ||
| Accent training | ||
| Call recording and analysis | ||
| Team communication enhancement | ||
| Interactive AI chats | ||
| Detailed speech reports | ||
| Personalized learning paths | ||
| View Conformer2 | View Pronounce | |
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