Pedagogical mode + Narrative mode, shared engine.
Hover over engine components for technical details. Both modes share the same infrastructure.
No solution combines all 5 criteria.
Hover over cells for details. Full latency benchmarks in State of the Art.
| Solution | Real-time <2s | Behavioral fidelity | Sovereignty | Conv. memory | Narrative control |
|---|---|---|---|---|---|
HeyGen Commercial | ◐ | ✗ | ✗ | ✗ | ✗ |
Synthesia Commercial | ✗ | ✗ | ✗ | ✗ | ◐ |
NVIDIA ACE Enterprise | ✓ | ◐ | ✗ | ✗ | ✗ |
Beyond Presence Enterprise | ✓ | ✗ | ✗ | ✗ | ✗ |
HeyGem OS Open Source | ✗ | ✗ | ✓ | ✗ | ✗ |
DigiDouble Target | ⚗ | ⚗ | ✓ | ⚗ | ✓ |
HeyGen · Synthesia · Flowise vs DigiDouble
Comparison on 7 criteria. Full analysis of 11 solutions in State of the Art. R&D challenges detailed in Research Challenges.
Two prototypes validated with real users.
Le Dilemme Plastique
Educational tool on ocean plastic pollution. Students converse with an AI avatar 'Peter' who guides them through environmental science topics.
Parle à AVA!
Interactive narrative experience allowing viewers to converse with characters from Romed Wyder's dystopian film 'Where is AVA?'. Photorealistic avatars of film characters.
Operational today vs. R&D required.
Production pipeline, API + SDK, Swiss-hosted, optional HITL
Swiss GPU cloud for sovereign open-source AI deployment
Tested with real users, documented feedback
Content database with rich metadata
Multi-agent orchestration, RAG integration
Architecture for long-duration sessions without token explosion
Generation <500ms with body language and behavioral coherence
Capture of individual prosodic fingerprint