AI生成 into the corner of the output under China’s labelling rules — NovAI cannot switch it off. Video output varies by model: in our 4 August 2026 tests Seedance 2.0 and CogVideoX-Flash showed no visible label, while Hunyuan Video 1.5 is labelled. Text and chat models are not affected. Which models, and what it rules out →Flagship video generation model. Multi-modal input supports text, images, video and audio references. Native audio generation sync. Cinematic quality from 480p to 4K.
| NovAI | OpenRouter | ||
|---|---|---|---|
| 480p | $0.067/s | $0.067/s | |
| 720p | $0.163/s | $0.199/s | ✅ 18% cheaper |
| 1080p | $0.329/s | $0.496/s | ✅ 34% cheaper |
| 4K | $1.00/s | $1.36/s | ✅ 26% cheaper |
curl -X POST https://api.aiapi-pro.com/v1/video/generations \
-H "Authorization: Bearer $NOVAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-seedance-2.0",
"prompt": "A cat walking through a sunny garden",
"resolution": "720p",
"duration": 5
}'curl -X POST https://api.aiapi-pro.com/v1/video/generations \
-H "Authorization: Bearer $NOVAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-seedance-2.0",
"prompt": "Animate this character dancing happily",
"image": "https://example.com/character.jpg",
"resolution": "1080p",
"duration": 8
}'curl https://api.aiapi-pro.com/v1/video/generations/{task_id} \
-H "Authorization: Bearer $NOVAI_API_KEY"