MODULATE TRANSCRIPTION API — NOW AVAILABLE

Transcription for Real-World Audio — 10x Lower Cost. Lowest Error Rate.

Stop overpaying for transcription that breaks on messy audio. Modulate delivers up to 10x better cost performance and understands real conversations — not just studio recordings.

#1 on AMI Real-World Benchmark
Built for developers
Get immediate access to the API with up to 400 hours free.

No sales conversation needed

Transcription Benchmark (Accuracy vs. Price)
Average Word Error Rate (WER) across Earnings-22 and VoxPopuli datasets
Lowest WER, lowest cost
Cost per 1000 minutes of audio
Avg. Word Error Rate
modulate-velma-2
scribe-v2
gemini-2.5-pro
universal
speechmatics-enhanced
solaria-1
gpt-4o-transcribe
chirp-2
speechmatics-standard
whisper-large-v3
nova-3
8
9
10
11
12 %
1
2
3
4
5
6
7
8
$9
0
Transcription Accuracy Benchmark
Average Word Error Rate (WER) across Earnings-22 and VoxPopuli datasets
Avg. Word Error Rate
6
7
8
9
10
11
12
13 %
modulate-velma-2
scribe-v2
gemini-2.5-pro
universal
speechmatics-enhanced
solaria-1
gpt-4o-transcribe
chirp-2
speechmatics-standard
whisper-large-v3
nova-3
Modulate
ElevenLabs
Google
AssemblyAI
Speechmatics
Gladia
OpenAI
Deepgram
Transcription API Cost Comparison among STT Leaders
Cost per audio hour transcribed
Modulate
$0.03
modulate-velma-2
AssemblyAI
$0.15
universal
Deepgram
$0.26
nova-2
ElevenLabs
$0.40
scribe-v2

10x Lower Cost Than the Competition

Explore Cost Comparison Tool

A Side-by-Side Comparison for Teams
Evaluating Transcription Providers

Feature
Modulate
Competitors
Real-World Accuracy
Lowest Word Error Rate
Strong on clean audio; weak on messy speech
Cost
3c per hour
15c to 50c per hour
Overlapping speakers
Handles naturally
Underperforms in complex multi-speaker audio
Training Data
500M+ hours of conversations
Primarily curated / structured datasets
Streaming Support
Real-time streaming
Real-time streaming
Emotion Detection
20+ emotions
None
Accent detection
20+ accents
None
PII / PHI redaction
Yes
Yes
Diarization
Yes
Yes
Language Support
57 distinct plus dialects
50+ distinct plus dialects

Why teams are upgrading to Modulate

#1 Accuracy on Independent Benchmarks

Highest accuracy across multiple benchmarks including Earnings-22 and AMI Meeting Corpus. Modulate is trained on noisy real-world conversations.

Lower Cost. Serious Savings.

On-demand pricing at $0.03/hr with no volume penalties. Teams switching from leading alternatives see 10x lower cost or more.

Built for Intelligence, Not Just Transcription.

Modulate's API is the foundation for emotion detection, speaker diarization, and conversation analysis. Transcription is just the start.

Fewer Downstream Fixes

Higher accuracy from the start means less time correcting transcripts in post-processing pipelines.

Drop-In API. No Friction.

Simple REST API — no SDK required
Batch and real-time streaming transcription
Trained on 500M+ hours of conversations
Clear documentation, fast onboarding
Up to 400 free hours when you sign up
terminal
$ curl -X POST https://api.modulate.ai/transcribe \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "audio=@file.wav"
View API Docs →

Transcription Is Just the Beginning

Teams switching from leading transcription providers consistently see higher accuracy on real-world audio, fewer downstream corrections, and dramatically reduced infrastructure costs.

Transcription
Available Now
Emotion Detection
Available Now
Deepfake Detection
Coming Soon
Conversation Understanding
Coming Soon

Stop Overpaying for Transcription.

Build with the #1 accuracy transcription API — at a fraction of the cost. Free tier included. No credit card required.

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