ByteDance Seedream 4.0 has been launched by TikTok’s parent company. It is a cutting-edge AI image generation tool. Unveiled on September 9, 2025, this tool aims to challenge Google DeepMind’s popular Nano Banana, also known as Gemini 2.5 Flash Image. ByteDance claims Seedream 4.0 outperforms its rival in internal tests, excelling in prompt adherence, alignment, and aesthetics. Available now, it offers advanced editing features and creative tools for users. This launch marks a big step in the AI image war, making Seedream 4.0 a hot topic for tech enthusiasts.
ByteDance Seedream 4.0 Takes on Nano Banana

ByteDance Seedream 4.0 brings a range of impressive capabilities. It supports text-to-image generation and advanced editing. Users can create stunning visuals with ease. Here are the key features:
- Image Editing: Add, delete, replace, or modify images with text prompts. Use clear language for best results.
- Reference Images: Extract details like character design or style for tasks like style transfer and product design.
- Multi-Image Inputs: Combine or replace elements from multiple images. Specify what to edit clearly.
- Image Sequences: Generate consistent character sequences for storyboards, comics, or IP designs.
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ByteDance offers a prompt guide for better results. Users should describe scenes naturally and specify purposes. Adding style keywords or using quotation marks for text improves accuracy. This tool suits professionals and creators alike.
Seedream 4.0 is now accessible via ByteDance’s Jimeng and Doubao apps in China. It also serves enterprises through the Volcano Engine cloud platform. Priced at $0.03 per image on Fal.ai, it undercuts Nano Banana’s $0.039. This competitive pricing boosts its appeal. The tool’s speed, with inference 10 times faster than predecessors, impresses users. Social media buzz highlights its precision in edits via text prompts.
This launch intensifies the rivalry with Google DeepMind. As AI image tools evolve, Seedream 4.0 promises to reshape creative industries. Stay tuned for more updates on this exciting development!
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