Velma Transcribe by Modulate vs. Deepgram

A head-to-head comparison between Velma Transcribe, Modulate’s speech to text API, and Deepgram’s speech recognition API.

Why Teams Choose Velma Transcribe Over Deepgram

Accuracy Without Multi-Week Tuning

Gets accuracy right from the start. No need for weeks of tuning to get reliable results. Built on 500 million+ hours of real-world conversations, it just works.

Costs 90% Less with Simple Pricing

Save up to 90% over competitors. Simple usage-based pricing and 1,500 hours+ in free credits. You’ll know exactly what you’re paying for – no tricky conversions or unexpected fees.

Clean Output for Downstream AI

Engineered to provide better output for your downstream AI tools. By focusing on natural speech and not just clean text, you can expect better summaries, analytics, and more.

Stable Performance Across Long Conversations

Handles long conversations like meetings or conversations with multiple speakers without compromising accuracy.

Velma Transcribe vs. Deepgram: The Breakdown

Features Velma Transcribe by Modulate Deepgram Winner
Core Focus Conversation optimized speech to text Speech recognition API Velma Transcribe
Target Market Contact centers, CX, voice agents, meetings, gaming voice, delivery & logistics Contact centers, healthcare, voice agents Tie
Primary Use Cases Real world conversation transcription, noisy audio, multi speaker meetings General STT, domain tuned transcription Velma Transcribe
Pricing 90% cheaper. Starts at 2.5¢ per hour, with flat usage rates and cost optimized for scale Credit-based system Velma Transcribe
Free Credits 1,500+ hours $200 in credits Velma Transcribe
Deployment Model Cloud API Cloud, VPC, on-premises options Deepgram
Out-of-the-Box Performance Immediate API integration, no tuning cycles May require domain tuning, model configuration, and keyterm prompting Velma Transcribe
Real-Time Streaming Yes Yes Tie
Batch Transcription Yes Yes Tie
Training Data Focus 500 million+ hours of real-world conversational audio General ASR + domain tuning Velma Transcribe
Word-Error Rate on AMI Meeting Corpus Benchmark 14.9% WER About 28% WER (Nova-2 model) Velma Transcribe
Cross-Talk and Interruptions Handling Optimized for multi-speaker overlap Strong but optimized for cleaner segmentation Velma Transcribe
Diarization Yes Yes Tie
Supported Transcription Languages 50+ 45+ Velma Transcribe
Custom Vocabulary No Weight adjustment towards specified keywords Deepgram
Language Translation No No native translation Tie
Confidence Scores Yes Yes Tie
Latency Optimization Sub-second streaming Sub-200 ms streaming Tie
Accuracy on Long Recordings (1+ hour calls) Stable accuracy across long sessions Performance may require tuning or segmentation Velma Transcribe
Downstream AI Error Sensitivity Designed to minimize nuance loss in transcripts Text-based post-processing Velma Transcribe
Data Encryption Enterprise-grade encryption at rest and in transit AES 256 at rest, TLS in transit Tie
Access Controls ISO 27001-aligned controls RBAC with 2FA Velma Transcribe

Here's What This Means for You

Better accuracy where it counts. Accuracy is essential for transcription, which is why Velma gets context right with a 14.9% word error rate on the AMI Meeting Corpus, which contains real-world multi-speaker meeting data. Trained on over 500 million hours of real-world conversations, Velma easily handles complex scenarios like side conversations, interruptions, raised voices, and much more. Velma still delivers clean results, even on low-quality audio.

Fewer hoops, less waiting. Forget lengthy initialization processes and complex fine-tuning. Start transcribing your audio with the Velma Transcribe API right away, with no need for custom prompts or fine-tuning for improved accuracy. Not having to wait around for transcription results allows your team to stay focused on what matters.

90% less cost at scale. Pay 90% less than Deepgram. With Velma’s transparent pay-as-you-go pricing model, you can easily track your per-hour transcription costs and budget accordingly. Forget about estimating vague pricing tiers or converting credits. All you need to worry about is transcribing more audio.

Consistent accuracy for lengthy conversations. Velma maintains high accuracy over lengthy conversations, making it perfect for contact center speech or meeting transcripts you may need for compliance. Better yet, having accurate transcripts creates a reliable base for summaries, insights, and compliance verification. You’ll know your insights are dependable starting on step one.

Clean transcripts = clean insights. Clean transcripts are essential for anything you want to do after the fact. Whether you’re looking to create conversation summaries, run analytics, or search for compliance, poor transcriptions can derail your efforts. Velma picks up on every detail to improve your transcripts and downstream results.

Make Your Voice Stack Smarter at the Source

Upgrade your voice stack with Velma Transcribe today without having to overhaul your entire system. Make an API call, upload your audio file, and Velma will send you neatly formatted transcripts with time stamps, a conversation layout, and confidence scores. Integrates easily with your existing stack to help you power up your transcripts and the insights you can gather from them.

Try Velma Transcribe Free

Explore the Velma Intelligence Engine

Features Built for Production Voice Systems

If your team needs accurate voice data on a daily basis, Velma Transcribe is the tool for contact centers, risk and operations, and engineering teams who need accurate transcripts that just work.

Live & Batch Transcription Available - Enjoy live transcription as well as the ability to transcribe previously recorded audio files (aka batch transcription). Streaming concerts? Batch processing an extensive library of audio files? Velma’s got you covered. Send audio to Velma and receive lightning fast streaming as well as reliable batch output via one API.

Accuracy That Sounds Natural - Transcripts that match how people actually talk. Velma understands natural conversation because it’s been trained on over 500 million hours of it. Speak quickly, interrupt each other, talk over someone or have background noise – Velma can handle it.

Accuracy That Lasts - Ever get worried when transcribing long calls that accuracy will degrade over time? Velma’s designed to deliver consistent accuracy regardless of call length. Say goodbye to error propagation.

High-Quality Output - Velma’s output includes timestamps, formatting and confidence scores at the word level. Velma’s built-in quality gives your transcripts structure that can easily integrate into your QA/compliance workflows.

Easy to Start - Integration starts with just one API call. Upload your audio and immediately start receiving structured transcripts without modifying your current workflow.

Security You Can Trust - Velma offers encryption in transit and at rest, as well as operational controls that are ISO 27001 compliant. Add live transcription to your application and rest easy.

Quickly Get to “Done” - Don’t spend weeks tuning for the best accuracy. Access Velma Transcribe via API and start transcribing with minimal effort and engineering cycles.

What You Gain with Velma Transcribe

Real conversations, real results. Trained on over 500 million hours of conversational speech, Velma achieves 14.9percent Word Error Rate on the AMI Meeting Corpus benchmark and transcribes effectively in many real world scenarios.

No complex configuration or keyword tuning required to achieve strong performance out of the box.

Robust transcription, even on calls that go longer than one hour.

Handles difficult audio with ease. Speaker overlaps, interruptions? No problem. Improve your transcripts to power your analysis and compliance.

Clear, predictable pricing so you can scale with confidence.

Build on Transcription You Can Trust

Speed isn’t the only thing that matters when it comes to transcription. Cutting corners on small details can hurt the quality of your transcript. 

That’s why Velma Transcribe is built to get it right. We deliver transcripts that better reflect the conversation, whether it’s coming from customer service, meetings, gaming, or anything in between. Make an API call, upload your audio, and receive clean transcripts you can count on.