Modulate vs Rev AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Modulate starts at See pricing page and Rev AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- ToxMod voice moderation
- Speech-to-text API
- Deepfake voice detection
- Emotion and accent detection
- PII/PHI redaction
- Batch and streaming modes
- Async speech-to-text
- Streaming transcription
- Language identification
- Sentiment and topic extraction
- Human transcription option
- HIPAA support
| Feature | Modulate | Rev AI |
|---|---|---|
| Best for | Voice AI for moderation, transcription and deepfake detection | Speech-to-text API for async and streaming transcription in 57+ languages |
| Category | Audio & voice | Audio & voice |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Modulate | Rev |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Modulate starts at See pricing page and Rev AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
English Fast Speech-to-Text
$0.025 / audio hour
- English only
- Batch rate; streaming costs more
Multilingual Speech-to-Text
$0.03 / audio hour
- 70+ languages
- Speaker diarization
Deepfake Voice Detection
$0.25 / audio hour
- Flags cloned and bot voices
- Minimum $0.05 per call
Velma Triage
$0.75 / audio hour
- Up to 10 behaviors
- $1.25/hour for up to 25
5 plans
Whisper Large
$0.005 / minute
- Open-source Whisper model
Reverb (English)
$0.20 / hour
- English transcription
- 15-second minimum
Reverb Foreign Language
$0.30 / hour
- Spanish, French, Chinese and 50+ more
Human Transcription
$1.99 / minute
- Transcripts by human transcribers
Enterprise
Contact sales
- Volume pricing
- Dedicated account manager
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Modulate
- Low per-hour transcription prices
- Detects synthetic and cloned voices
- Built for live voice moderation at scale
- Usage-based billing only
- Add-ons like emotion tagging cost extra
- Main platform aimed at enterprises
Rev AI
- Low per-hour transcription rates
- Human transcription in the same API
- Supports 57+ languages
- Usage costs vary by model
- Insight APIs billed separately
- Requires developer integration
Which one should you choose?
Choose Modulate if you want:
- Low per-hour transcription prices
- Detects synthetic and cloned voices
- Built for live voice moderation at scale
Watch out: usage-based billing only.
Choose Rev AI if you want:
- Low per-hour transcription rates
- Human transcription in the same API
- Supports 57+ languages
Watch out: usage costs vary by model.
Modulate vs Rev AI FAQ
What is the difference between Modulate and Rev AI?
Modulate: Voice AI for moderation, transcription and deepfake detection. Rev AI: Speech-to-text API for async and streaming transcription in 57+ languages. Both are audio & voice tools.
Is Modulate or Rev AI cheaper?
Modulate starts at See pricing page and Rev AI starts at See pricing page. Check both pricing pages for current plans.
Do Modulate and Rev AI have free plans?
Modulate: No. Rev AI: Yes.
Who makes Modulate?
Modulate is made by Modulate, based in United States.
Who makes Rev AI?
Rev AI is made by Rev, based in United States.
Which should I choose, Modulate or Rev AI?
Choose Modulate if you value low per-hour transcription prices and detects synthetic and cloned voices. Choose Rev AI if you value low per-hour transcription rates and human transcription in the same api.