Seedance 2.0 Fast
Seedance 2.0 Fast is ByteDance's speed-optimized AI video model — generates 4–15s clips at 720p with native audio, multimodal inputs, and professional motion, prioritizing fast turnaround and lower cost over peak fidelity.
Overview
What is Seedance 2.0 Fast
Seedance 2.0 Fast is ByteDance's speed-optimized AI video model, released April 14, 2026, as a faster, lower-cost variant of Seedance 2.0. It generates videos from 4 to 15 seconds at 720p or 480p with synchronized audio, supporting text, image, and reference inputs while sacrificing minor visual fidelity for efficiency.
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 enables permissionless, uncensored video generation for iterative creative workflows, social content, and prototyping without leaving a trace. You retain sovereignty over your creative direction while benefiting from Venice’s zero-retention infrastructure.
Assessment
Strengths and limitations
- Fast generation with lower cost: ideal for iterative workflows, A/B testing, and high-volume content pipelines.
- Supports multimodal inputs: text, images, videos, and audio references for precise scene control.
- Native synchronized audio generation in multiple languages within the same API call.
- Professional camera movements, multi-shot composition, and in-video text rendering retained from Seedance 2.0.
- Available on Venice with zero data retention: your prompts are anonymized and not stored.
- Slightly lower visual fidelity compared to the standard Seedance 2.0, especially in fine textures and motion smoothness.
- No 1080p output: max resolution capped at 720p.
- Not open-source or self-hostable: entirely proprietary to ByteDance.
- No end-to-end encryption or TEE execution on Venice, limiting data sovereignty for highly sensitive use cases.
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
Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere
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, video editing
- Resolutions
- 720p, 480p
- Clip lengths
- 4s – 15s
- Mode
- text-to-video
- Aspect ratios
- 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
- 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-text-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 & volume | No | from $0.28 |
| Kling O3 Pro | 1080p | Longer clips & realism | No | from $0.46 |
| Wan 2.7 Enhanced | 720p | Cinematic motion | Yes | from $0.68 |
| Vidu Q3 | 1080p | Detail & clarity | No | from $0.27 |
Balances speed, cost, and quality for iterative workflows.
Use cases
What it is good for
- 01Rapid prototyping and storyboard iteration for film and advertising.
- 02Social media content at scale — vertical, square, and cinematic formats with audio.
- 03A/B testing multiple video variants from a single concept.
- 04Draft generation for client presentations where final fidelity is not critical.
- 05Multilingual video ads with synchronized voiceovers generated directly from text.
Prompting
Getting better results
Use clear, concise scene descriptions with explicit camera directions (e.g., 'slow zoom', 'wide shot').
Include reference images for character or style consistency when available.
Specify aspect ratio and duration to match platform requirements (e.g., 9:16 for TikTok).
Mention audio language and tone if relevant (e.g., 'calm female voiceover in Spanish').
For best cost efficiency, start with 480p drafts before upgrading to 720p for final output.
Version history
Higher-fidelity flagship variant
Speed-optimized, lower-cost version
FAQ
Frequently asked questions
Seedance 2.0 Fast is ByteDance's speed-optimized AI video generation model, released April 14, 2026. It produces 4–15 second videos at 720p or 480p with synchronized audio, supporting text, image, and reference inputs. It trades minor visual fidelity for faster generation and lower cost, making it ideal for iterative creative workflows.
On Venice, Seedance 2.0 Fast pricing starts at $0.28 per clip for 480p at 4 seconds, scaling 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 and is not open source. It is not free to use, though Venice offers limited free trials for new users. You cannot self-host or modify the model.
Yes. Seedance 2.0 Fast supports image-to-video generation, allowing you to animate still images or use them as style references. It also supports reference-to-video with multiple input modalities including images, videos, and audio.
Seedance 2.0 Fast supports 720p and 480p output resolutions. It does not support 1080p. Aspect ratios include 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16 to fit various platforms and creative needs.
Yes. Seedance 2.0 Fast generates synchronized native audio in the same API call as the video. It supports multilingual voiceovers and sound effects, making it suitable for ready-to-publish social and marketing content.
Seedance 2.0 Fast is better for speed and cost-efficient iteration; Kling O3 Pro offers higher resolution (1080p) and stronger photorealism. Choose Seedance for rapid prototyping and volume, Kling for final deliverables where visual fidelity is paramount.
On Venice, Seedance 2.0 Fast runs without content filtering or censorship. However, the underlying model is proprietary to ByteDance, which may impose its own policies. Venice ensures your prompts are not stored or profiled.
Seedance 2.0 Fast generates clips from 4 to 15 seconds long. You can select any duration in whole seconds within that range, making it suitable for short-form content like social media ads, storyboards, and previews.
Run Seedance 2.0 Fast privately
No prompt logging. No data used for training.