Key points on TikTok’s AI video ad tools
- Video length: Dreamina Seedance can generate videos up to 30 seconds per prompt, double the previous 15-second maximum.
- Creative references: Advertisers can provide up to 50 image, video, and audio references, compared with 9 previously.
- Symphony API: The updated API lets advertisers use Symphony tools within their own creative management tools.
- BytePlus tokens: Advertisers outside North America can purchase tokens to access Dreamina Seedance through Symphony starting November 9.
What changed in TikTok’s Symphony AI video ad tools?
TikTok’s Symphony has expanded its AI-powered ad creation features with updated Dreamina Seedance video generation, an updated Symphony API, and wider access to BytePlus tokens. This overview explains the changes advertisers can assess when choosing how to create video ads.
TikTok’s Symphony updates expand video inputs, generation length, and access to creative tools.
TikTok has added some new elements to its artificial intelligence-powered Symphony ad creation tools, including advanced video generation using the latest models, an updated Symphony API and broader access to AI usage tokens.
How does Dreamina Seedance improve video ad creation?
Dreamina Seedance adds more video-generation capacity within Symphony Agent and supports expanded creative prompts. Advertisers can provide example videos and ads as references for generated content.
Dreamina Seedance generates video ads from prompts and supplied creative references.
First, TikTok added more capacity to generate video ads using the latest Dreamina Seedance AI models within its Symphony Agent tool.

As shown in this example sequence, TikTok’s Symphony now has access to the updated visual generation capacity of Dreamina Seedance to generate better-looking ads based on expanded prompts, with users able to integrate example videos and ads.
Reference capacity: TikTok says advertisers can upload up to 50 multimodal references, including images, videos, and audio, up from 9 previously. The updated Seedance models can generate videos up to 30 seconds per prompt, compared with the previous 15-second maximum.
Dreamina Seedance supports up to 50 creative references and video generation up to 30 seconds per prompt.
TikTok said advertisers will now be able to upload up to 50 multimodal references (images, videos, and audio), up from 9 previously, while the updated Seedance models will now be able to generate up to 30 seconds of video for each prompt, up from a previous 15-second maximum.
Image quality: TikTok says the latest Dreamina Seedance model can produce sharper, more realistic imagery, with improved lighting and character consistency across video frames.
Dreamina Seedance is designed to improve image sharpness, lighting, and character consistency across frames.
TikTok said the latest Dreamina Seedance model is also able to generate sharper, more realistic imagery and offer better lighting and character consistency across video frames.
Creative testing: The usefulness of AI-generated video can vary, so advertisers can test different prompts and creative inputs to assess the results for their needs.
Creative inputs give advertisers material to test with Symphony’s video-generation tools.
The viability of AI-generated video on TikTok will vary, but it could be worth experimenting with these new video generation tools, based on expanded creative inputs, to see what the system can generate.
How can advertisers use the updated Symphony API?
The updated Symphony API lets advertisers generate content with Symphony tools inside their own creative management tools. This connects Symphony’s generation capabilities with advertisers’ existing creative workflows.
Symphony API brings TikTok’s content-generation tools into external creative management systems.
TikTok also launched an updated Symphony API, which will enable advertisers to generate content using Symphony’s tools within their own creative management tools.

Who can access Symphony through BytePlus tokens?
Advertisers outside North America can purchase BytePlus tokens to access Dreamina Seedance AI models through Symphony starting November 9, according to TikTok. TikTok says this access enables faster video generation, higher-quality output, and more formats.
BytePlus tokens provide eligible advertisers outside North America with access to Dreamina Seedance through Symphony.
The company also expanded access to its BytePlus tokens, which will enable more use of its Symphony tools for visual generation.
“Starting November 9, advertisers outside North America can purchase BytePlus tokens to access Dreamina Seedance AI models through Symphony, enabling faster video generation, higher-quality output, and more formats,” TikTok said.
BytePlus is the enterprise technology arm of ByteDance, TikTok’s parent company, and manages the company’s AI tools and systems.
BytePlus is ByteDance’s enterprise technology arm.
BytePlus is the enterprise technology arm of TikTok parent company ByteDance, and it manages all of the company’s AI tools and systems.
Seasonal planning: The expanded generation options, API access, and tokens add factors for advertisers to consider when planning campaigns for peak shopping season.
Peak shopping season planning can account for Symphony’s expanded video-generation and access options.
These updates could provide additional considerations for advertisers heading into peak shopping season.
What changed in TikTok’s AI video ad tools?
TikTok’s AI video ad tools gained expanded reference capacity, longer video generation, an updated API, and broader token access. The changes apply to Symphony and Dreamina Seedance.
Symphony updates affect creative inputs, video output, and tool access.
- References: Up to 50 images, videos, and audio references, compared with 9 previously.
- Video duration: Up to 30 seconds per prompt, compared with a previous 15-second maximum.
- API: Content generation through advertisers’ own creative management tools.
- Tokens: BytePlus token purchases for advertisers outside North America starting November 9.
How long can Dreamina Seedance videos be?
Dreamina Seedance can generate videos up to 30 seconds for each prompt. The previous maximum was 15 seconds.
Dreamina Seedance video generation supports a maximum duration of 30 seconds per prompt.
How many references can advertisers upload?
Advertisers can upload up to 50 multimodal references, including images, videos, and audio. TikTok previously allowed up to 9 references.
Symphony reference inputs include images, video, and audio.
Can advertisers outside North America use BytePlus tokens?
According to TikTok, advertisers outside North America can purchase BytePlus tokens starting November 9 to access Dreamina Seedance through Symphony.
BytePlus token access for Symphony is available to advertisers outside North America, according to TikTok.
What does the updated Symphony API do?
The updated Symphony API enables advertisers to generate content using Symphony tools within their own creative management tools.
Symphony API integration connects Symphony content generation with advertisers’ creative management tools.









