Seedance 2.0 Fast
Seedance 2.0 Fast is ByteDance’s speed-optimized AI video model — generates 4–15s clips from images or text with native audio, at lower cost and faster turnaround than the flagship variant.
Overview
What is Seedance 2.0 Fast
Seedance 2.0 Fast is ByteDance's speed-optimized AI video generation model, released April 14, 2026. It supports image-to-video and text-to-video inputs, produces clips from 4 to 15 seconds with synchronized audio, and prioritizes fast turnaround and lower cost over peak visual fidelity, making it ideal for iterative creative workflows.
Running it privately on Venice
On Venice, Seedance 2.0 Fast runs with anonymized privacy — your prompts are not stored, profiled, or used for training. This means you get the full power of ByteDance’s multimodal video generation without sacrificing sovereignty. Use it for rapid prototyping, social content, or cinematic drafts, all while maintaining uncensored, permissionless access.
Assessment
Strengths and limitations
- Fast generation turnaround: optimized for rapid iteration and high-volume content pipelines.
- Lower cost per clip compared to Seedance 2.0, ideal for A/B testing and social-first video.
- Supports native audio generation synchronized with video output.
- Retains full multimodal input support: text, image, video, and audio references.
- Enables professional camera movements, multi-shot composition, and in-video text rendering.
- Slightly lower visual fidelity compared to Seedance 2.0 due to fewer processing passes.
- No 1080p or higher resolution output: max is 720p.
- Not open-source or open-weights, so self-hosting or fine-tuning is not possible.
- No zero data retention or TEE encryption on Venice — privacy tier is anonymized only.
Samples
Sample outputs
Generated on Venice with our standard prompt suite — the same prompts we run through every model of this type, so you can judge it like-for-like.
Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K
A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera
Capabilities
What it supports
- Text to video
- Image to video
- Reference to video
- Native audio generation
Specifications
Datasheet
- Maker
- ByteDance
- Released
- April 14, 2026
- Modality
- Text-to-video, image-to-video, reference-to-video
- Max resolution
- 720p
- Resolutions
- 720p, 480p
- Clip lengths
- 4s – 15s
- Mode
- image-to-video
- Audio
- Yes
- Prompt limit
- 3,500 chars
- Privacy on Venice
- Anonymized — prompts not stored
- Available on Venice since
- Apr 2026
- License
- Proprietary
API
Call it from your code
Venice exposes this model through the REST API. Queue a generation with the model id.
curl https://api.venice.ai/api/v1/video/queue \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance-2-0-fast-image-to-video-basic",
"prompt": "Aerial drone shot over a misty mountain valley at golden hour"
}'
# Use the returned queue_id with https://api.venice.ai/api/v1/video/retrieve.
# Call /video/complete after downloading if needed.Pricing
What it costs on Venice
Pay per clip on Venice — price scales with resolution and duration (4s–15s), from $0.28.
New Venice accounts include a free daily allowance and 500 welcome credits — no credit card required.
Alternatives
How it compares
| Model | Max resolution | Strongest at | Open weights | Price (Venice) |
|---|---|---|---|---|
| Seedance 2.0 Fast | 720p | Speed & cost efficiency | No | from $0.28 |
| Wan 2.7 | — | Open-source flexibility | Yes | from $0.55 |
| Kling O3 Pro | — | High-fidelity motion | No | from $0.46 |
| Vidu Q3 | — | Long-duration coherence | No | from $0.27 |
Best for fast, affordable video generation with audio and multimodal inputs.
Use cases
What it is good for
- 01Rapid prototyping of ad creatives and social media videos.
- 02Generating storyboards and pre-visualizations for film or animation.
- 03High-volume content creation for platforms like TikTok, Instagram, and YouTube Shorts.
- 04Audio-visual storytelling with synchronized voiceovers or sound effects.
- 05Iterative design workflows where speed and cost matter more than final-frame perfection.
Prompting
Getting better results
Use clear, concise prompts focusing on motion and scene transitions for best results.
Anchor first and last frames with reference images when precise control is needed.
Specify aspect ratio (e.g., 9:16) for platform-optimized vertical video.
Include audio cues in the prompt if synchronized sound is desired.
Version history
Flagship variant — higher fidelity, slower, more expensive.
Speed-optimized tier — same inputs, faster and cheaper.
FAQ
Frequently asked questions
Seedance 2.0 Fast is ByteDance’s speed-optimized AI video model, released April 14, 2026. It generates 4–15 second video clips from text or image inputs with native audio, prioritizing fast turnaround and lower cost over peak visual quality.
On Venice, pricing starts at $0.28 for a 480p 4-second clip and scales with resolution and duration. A 720p 4-second clip costs $0.60. You pay per generation with no subscription required.
No. Seedance 2.0 Fast is a proprietary model by ByteDance — it is not free, open source, or open-weights. You cannot self-host or fine-tune it.
Yes. Seedance 2.0 Fast supports image-to-video generation, allowing you to animate a still image into a 4–15 second clip with motion, camera movement, and audio.
Yes. It supports synchronized native audio generation in the same API call, making it suitable for voiceovers, sound effects, and music synced to video.
Seedance 2.0 Fast trades minor quality for significantly faster generation and lower cost. Both support the same durations, resolutions, and multimodal inputs, but the Fast variant runs with fewer processing passes, making it ideal for iteration and volume.
Seedance 2.0 Fast supports 720p and 480p output resolutions. It does not support 1080p or higher.
Yes. Venice runs Seedance 2.0 Fast with anonymized privacy — your prompts are not stored or used for training. This ensures uncensored, permissionless access without personal data retention.
Run Seedance 2.0 Fast privately
No prompt logging. No data used for training.