Choose flagship
Use the top model when correctness, reasoning depth, and coding reliability matter more than cost.
Veo collection
Veo 3.1 API Family
Compare Veo 3.1 variants for fast, quality, 4K, reference-frame, and native-audio video generation workflows.
Model comparison
| Model | Best For | Input | Output | Context | Cached |
|---|---|---|---|---|---|
Veo 3.1 Lite Lite | Lower-cost Veo 3.1 generation for quick video drafts. | Text / image | Video | Standard | Async |
Veo 3.1 Fast Fast | Fast generation for short-form production and rapid iteration. | Text / 2 frames | Video | Standard | Native audio |
Veo 3.1 Fast 4K Fast 4K | Fast Veo generation with 4K output support where available. | Text / 2 frames | Video | 4K | Native audio |
Veo 3.1 Fast Ref Reference | Reference-guided generation with up to three reference images. | Text / 3 refs | Video | Reference | Native audio |
Veo 3.1 Quality Quality | Higher-quality Veo generation for polished creative output. | Text / 2 frames | Video | Standard | Native audio |
Veo 3.1 Quality 4K Quality 4K | Premium Veo quality mode with 4K output support. | Text / 2 frames | Video | 4K | Native audio |
Choose balanced
Use value models for assistants, automation, support, and workflows that still need strong quality.
Choose budget
Use lightweight models for routing, classification, extraction, and high-volume background tasks.
Unified access
One API surface for the whole family
Keep product code stable while changing models, providers, pricing, and channel routes from the platform.
curl https://devnextapiany.mexxxxai.win/api/v1/videos/generations \
-H "Authorization: Bearer $APIANY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "veo3-1-fast",
"prompt": "A cinematic product reveal with soft studio lighting",
"duration": "5"
}'