Seedance 1.0 Pro to 2.0: Complete Migration Guide (2026)

Seedance 2.0 launched on February 7, 2026, replacing Seedance 1.0 Pro as ByteDance's flagship AI video generation model. If you built workflows around Seedance 1.0 Pro, this guide covers everything you need to know about migrating: what changed, what improved, what broke, and how to transition smoothly.

What Changed from Seedance 1.0 Pro to 2.0

Seedance 2.0 is not an incremental update. It is a ground-up rebuild of the model architecture that changes how prompts are interpreted, how video is rendered, and how the API works.

Related: Explore Seedance 2.0 features, follow the beginner tutorial, read our free usage guide, or check the API integration guide.

Key Improvements in 2.0

• Visual quality: 40-60% improvement in per-frame sharpness and detail over 1.0 Pro
• Motion coherence: Dramatically smoother movement with fewer temporal artifacts
• Prompt understanding: Better handling of complex multi-subject scenes and specific camera movements
• Resolution: Native 1080p output (1.0 Pro maxed at 720p on most settings)
• Generation speed: 30-50% faster processing times
• Image-to-video: Significantly improved character preservation when animating reference images

What Was Removed or Changed

• Custom model fine-tuning: Not yet available in 2.0 (was a beta feature in 1.0 Pro)
• Batch queue system: Replaced with a new async polling architecture
• Prompt syntax: Some 1.0-specific prompt modifiers no longer work; the new model responds better to natural language
• API endpoints: New endpoint structure requires code updates (see migration section below)

Seedance 1.0 Pro vs 2.0: Feature Comparison

The most notable change: Seedance 2.0 Pro is cheaper than 1.0 Pro while delivering substantially better quality. The free tier did not exist in 1.0.

How to Migrate from Seedance 1.0 Pro to 2.0

Step 1: Evaluate Your Current Workflow

Before migrating, document your current Seedance 1.0 Pro usage:

• How many generations per day do you use?
• Do you rely on API access or the web interface?
• Are you using image-to-video or text-to-video primarily?
• Do you have any automated pipelines calling the API?

This assessment determines whether the free tier is sufficient or whether you need Pro.

Step 2: Create a 2.0 Account

Seedance 2.0 uses the same Dreamina platform as 1.0, but with a new interface:

1. Visit dreamina.capcut.com
2. Log in with your existing ByteDance/TikTok account
3. Your 1.0 Pro subscription carries over, but you will be on the new 2.0 model automatically

If you had API keys for 1.0, you will need to generate new ones from the updated developer dashboard.

Step 3: Update Your Prompts

Seedance 2.0 interprets prompts differently than 1.0. Key changes:

1.0 Pro prompt style (keyword-heavy):

cyberpunk city, neon lights, rain, 4K, cinematic, dolly zoom, dramatic lighting

2.0 prompt style (natural language with SCELA framework):

A rainy cyberpunk city street at night with neon signs reflecting in puddles.
Camera: slow dolly zoom toward a figure standing under a holographic billboard.
Lighting: dramatic neon from above with blue and pink reflections.

The 2.0 model responds much better to descriptive, structured prompts. Keyword-stuffing that worked in 1.0 often produces worse results in 2.0.

Step 4: Migrate API Integrations

If you have code calling the Seedance 1.0 API, you need to update:

Authentication: The authentication method remains the same (Bearer token), but ensure you are using a 2.0 API key generated from the new dashboard.

Endpoints: The base URL and endpoint structure have been updated. Refer to the Seedance API integration guide for the full endpoint reference.

Async handling: The 1.0 batch queue system has been replaced with individual task-based async polling. Each generation request returns a task ID that you poll for completion, or you can configure a webhook.

Response format: The response JSON structure has changed. Video URLs, metadata fields, and status codes are in a new format. Update your parsers accordingly.

Step 5: Test and Validate

Before fully switching over:

1. Run your most common prompts through 2.0 and compare output quality
2. Verify all API integrations work with the new endpoints
3. Check that image-to-video produces acceptable character consistency
4. Confirm generation counts and rate limits meet your needs

Seedance 2.0 Free Tier vs 1.0 Pro

One of the biggest changes is the introduction of a free tier. Many former 1.0 Pro users find the free tier sufficient for light usage:

Free tier is enough if you:

• Generate fewer than 5 videos per day
• Work primarily in 720p
• Need clips up to 4 seconds
• Use Seedance for personal or evaluation purposes

Upgrade to 2.0 Pro if you:

• Need more than 5 daily generations
• Require 1080p output resolution
• Want 8-second clip duration
• Need priority processing for faster results
• Run production API pipelines

The free tier includes both text-to-video and image-to-video with no watermark, making it a significant upgrade over having no free option in 1.0.

Common Migration Issues

Prompts Producing Different Results

This is expected. Seedance 2.0 uses a different model architecture. Prompts that worked in 1.0 may produce visually different (usually better) results in 2.0. Spend time with the SCELA prompt framework to optimize for the new model.

API Rate Limit Changes

Free tier API access is limited to 5 concurrent requests. If you were on 1.0 Pro with higher limits, make sure to subscribe to 2.0 Pro for equivalent capacity.

Missing Fine-Tuning

If you relied on 1.0 Pro's beta fine-tuning feature, this is not yet available in 2.0. The improved base model quality and image-to-video mode can often achieve similar character consistency without fine-tuning.

Billing Transition

Your 1.0 Pro subscription transitions to 2.0 Pro automatically at the lower price point. Check your billing dashboard to confirm the updated charges.

FAQ

Is Seedance 2.0 backward compatible with 1.0 Pro?

Not fully. The web interface uses the same account, but API endpoints, prompt interpretation, and response formats have changed. Code written for 1.0 needs updates.

Can I still use Seedance 1.0 Pro?

No. The 1.0 model has been deprecated. All users are automatically migrated to 2.0. Your account credentials and subscription carry over.

Is Seedance 2.0 Pro cheaper than 1.0 Pro?

Yes. Seedance 2.0 Pro costs approximately $10/month, down from approximately $15/month for 1.0 Pro, while offering significantly better quality and higher limits.

Do I need to rewrite all my prompts?

Not necessarily, but you should optimize them. The 2.0 model handles both keyword-style and natural language prompts, but natural language with the SCELA framework produces the best results.

What happened to my 1.0 Pro generated videos?

Previously generated videos remain accessible in your Dreamina library. They are not affected by the model migration.

How does Seedance 2.0 compare to competitors?

Seedance 2.0 competes directly with Sora and Kling 3.0. See our detailed comparisons: Seedance vs Sora and Seedance vs Kling.