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Emotionally intelligent text-to-speech that adapts tone to context.
Pros
- Best-in-class emotional and expressive control
- Aggressive pricing after Octave 2's 50% cost cut
- Strong fit for conversational/empathic agents
Cons
- Newer brand with smaller ecosystem
- Developer-oriented; limited no-code studio
- No public affiliate program
✓ Where it shines / best for
- Developers building emotionally aware voice assistants and agents
- Researchers studying affective computing and emotion analysis
- Customer-service and wellbeing apps needing empathic interaction
✕ Not the best fit for
- Simple bulk text-to-speech narration without conversation
- Non-technical users wanting a finished consumer app
Features
- ✓ API access
- ✓ Free tier
- ✓ Text-to-speech
- ✓ Real-time
- ✓ Speech To Speech
- ✓ Conversational AI
- ✓ Emotion Detection
- ✓ Expression Measurement
- ✓ Voice AI
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | 10,000 Octave characters (~10 min audio) + 5 EVI minutes; no commercial license |
| Starter | $3 | month | 30,000 characters (~30 min) + 40 EVI minutes; no commercial license; EVI overage $0.07/min |
| Creator | $14 | month | 140,000 characters + 200 EVI minutes; commercial license included; 50% off first month ($7); overage $0.15/1k chars |
| Pro | $70 | month | 1,000,000 characters + 1,200 EVI minutes; overage $0.12/1k chars, $0.06/EVI min |
| Scale | $200 | month | 3,300,000 characters + 5,000 EVI minutes; 3 team seats; overage $0.10/1k chars, $0.05/EVI min |
| Business | $500 | month | 10,000,000 characters + 12,500 EVI minutes; 5 team seats; overage $0.05/1k chars |
| Enterprise | Custom | custom | Unlimited usage, SOC 2 Type II / GDPR / HIPAA, dedicated support and custom deployment |
Pricing verified from the official source. Prices change often — confirm on the vendor's site before buying.
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