Modulate
AutomatedVoice AI API platform offering conversation understanding, transcription, and deepfake detection with usage-based pricing.
Modulate has 4 plans: paid plans from $0.025. We last read its pricing page on 3 October 2026. We have not recorded a price change.
Modulate plans and prices
Velma Conversation Understanding
usage based$1.25
Only $1.25/hour
- Recognize business-critical behaviors and events in real time
- Voice-native ensemble using 100+ component audio models
- 1,000 free credits
- Customizable behavior detections with evidence (transcription, inflection, prosody, timbre)
- Batch & Streaming APIs
Transcription
usage based$0.03
Starting at $0.03/hour
- World-class accuracy on real-world data
- Batch & Streaming APIs
- 400 hours in free credits
- Diarization, Emotion Detection, Accent Identification, Multilingual Support (57 languages)
- Optional PII/PHI Tagging add-on (+$0.02/hr)
- Optional Deepfake Detection add-on (+$0.25/hr)
Deepfake Detection
usage based$0.25
Only $0.25/hour
- Industry-leading synthetic voice detection accuracy
- Batch & Streaming APIs
- 1,000 free credits
- Segment-based probability scores every 4 seconds with 2-second overlap
- Only 3 seconds minimum audio required
Modulate
usage based$0.025
- overage$0.03($0.03 per hour of audio processed for multilingual transcription)
- overage$0.25($0.25 per hour of audio processed (Deepfake Detection))
- Self-serve, pay-as-you-go pricing
- Batch REST API
- Real-time streaming over WebSocket
- Leading English-only transcription — $0.025 per hour
- Leading multilingual transcription — $0.03 per hour
- Emotion Detection — $0.02 per hour
- Accent Identification — $0.01 per hour
- PII/PHI Redaction — $0.05 per hour
Price history
Last 1 recorded changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Sep 3, 2026 | Modulate | New plan | — | $0.025 | — |
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