Hedra (Character-2/3)
Audio-driven avatar with superior expressivity and $0.05/min live option
TTFR Latency
~500ms
real-time
Cost / minute
$0.050/min
real-time
Visual Quality
8/10
estimated score
Protocols
WebRTC, REST, LiveKit
Avatar Customisation
RAG / Knowledge Base
External knowledge base connection via API. Omnia API for enterprise brand consistency. Behavior driven by input prompt.
Behavior & Personality
Tone, personality via input prompt and voice selection. Omnia API for enterprise persona consistency.
Body Language & Gestures
Procedural AI-generated body language synchronized with audio. No manual gesture scripting.
Facial Expressions
Character-2/3: dynamic micro-expressions auto-synchronized with audio. Superior emotional expressivity.
Voice & Voice Cloning
Large voice library + voice cloning (audio sample: 30–60s WAV/MP3). Speed and emotion adjustments.
Persona Fine-Tuning
Omnia API for enterprise brand consistency. Persona via prompt + voice selection.
Avatar Training
Best Practices
- 01.Front-facing portrait, uniform lighting
- 02.Neutral background
- 03.For voice cloning: 30–60s clean audio (WAV or MP3, no background noise)
- 04.Enterprise: 2–5 min reference video for full character model
API Analysis
Protocols
SDKs
Concurrent Sessions
Plan-dependent
Rate Limits
10-minute max session. Credits don't roll over month-to-month.
Key Features
- GET /public/models — list available models
- GET /public/voices — list voices
- POST /public/assets — create asset
- GET /public/generations/{id}/status — streaming_url in response
- Hedra Live Avatars: $0.05/min real-time mode
- Character-3: 6 credits/second (360 credits/min)
API Constraints
- 10-minute max session duration
- Credits don't roll over
- No webhook support
- US hosting only
- No on-premise standard option
Pricing Model
| Plan | Price | Included minutes | Overage |
|---|---|---|---|
| Free | $0/mo | 3 min/mo video | N/A |
| Basic | $15/mo | 1500 credits (~4 min Character-3) | ~$0.40/min |
| Creator | $30/mo | 5400 credits (~15 min Character-3) | ~$0.40/min |
| Professional | $75/mo | 14400 credits (~40 min Character-3) | ~$0.40/min |
| Live Avatars | Usage-based | $0.05/min | $0.05/min |
Hidden costs / watch out
- Credits don't roll over
- Character-3 consumes 6 credits/second (very fast consumption)
- Enterprise private deployment on request
Sovereignty & Hosting
Sovereignty Score
Hosting
AWS US
GDPR
YesOn-premise
NoSovereignty detail
US company. AWS US. GDPR principles respected. No EU hosting, no on-premise standard.
Constraints & Limits
- 10-minute max session duration
- Credits don't roll over month-to-month
- No manual gesture scripting
- US hosting only
- No on-premise standard option
- No webhook support
GamiWays Relevance
Score
7/10
Lowest cost real-time option ($0.05/min via Live Avatars). Character-2/3 expressivity is excellent. One-shot from image enables rapid prototyping. Main limitations: US hosting, 10-min session cap, and no on-premise option.