Conformer2
Speech-To-TextPricing unavailable
Introducing Conformer-2: Superior Speech Recognition with Enhanced Accuracy and Speed
Last updated Apr 26, 2026
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What is Conformer2?
Conformer2's Top Features
Key capabilities that make Conformer2 stand out.
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
Use Cases
Who benefits most from this tool.
Podcasters
Enhance transcription accuracy for podcasts, especially with proper nouns and alphanumerics.
Business professionals
Improve the transcription quality of business meetings and conferences with enhanced noise robustness.
Media creators
Accurately transcribe video content, ensuring proper noun correctness and alphanumeric accuracy.
Researchers
Transcribe interviews and focus group discussions with high accuracy, even in noisy environments.
Customer service teams
Utilize accurate transcriptions for customer interactions, improving service quality and response time.
Educational institutions
Provide precise transcriptions for online courses and lectures, accommodating proper nouns and complex alphanumerics.
Journalists
Obtain reliable transcriptions of interviews and reports, maintaining the integrity of proper nouns.
Healthcare providers
Accurately transcribe medical dictations and notes, supporting critical alphanumeric and proper noun recognition.
Market researchers
Analyze consumer feedback and focus group recordings with high transcription accuracy in various environments.
Software developers
Integrate advanced speech recognition into applications, delivering accurate transcriptions in real-time scenarios.
Tags
AI modelautomatic speech recognitionConformer-2proper nounsalphanumericsnoise resistanceEnglish audioperformance improvementConformer-1word error ratelatency
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Frequently Asked Questions
What is Conformer-2?
Conformer-2 is AssemblyAI's latest AI model for automatic speech recognition, designed to improve performance on proper nouns, alphanumerics, and noise robustness.
How much training data was used for Conformer-2?
Conformer-2 was trained on 1.1 million hours of English audio data.
What improvements does Conformer-2 offer over Conformer-1?
Conformer-2 offers a 31.7% improvement on alphanumerics, a 6.8% improvement on Proper Noun Error Rate, a 12.0% boost in noise robustness, and a significant reduction in latency.
Does Conformer-2 maintain the word error rate of Conformer-1?
Yes, Conformer-2 maintains parity with Conformer-1 in terms of word error rate while providing additional improvements.
What are the key features of Conformer-2?
Key features of Conformer-2 include enhanced performance on alphanumerics, better recognition of proper nouns, improved noise robustness, and reduced latency.
Who developed Conformer-2?
Conformer-2 was developed by AssemblyAI, an industry leader in AI models for automatic speech recognition.
How does Conformer-2 handle noisy environments?
Conformer-2 is designed to be more robust to noise, with a 12.0% improvement in noise robustness over Conformer-1.
What is the latency improvement in Conformer-2?
The latency of the inference pipeline has been reduced by up to 53.7% since the release of Conformer-1.
Is Conformer-2 suitable for real-world audio conditions?
Yes, Conformer-2 is designed to be highly robust and suitable for real-world audio conditions, maintaining strong noise robustness.
What is the Proper Noun Error Rate improvement in Conformer-2?
Conformer-2 achieves a 6.8% improvement in Proper Noun Error Rate over its predecessor, Conformer-1.