New Chinese Model Seedream 4.5 Is Challenging Nano Banana Pro and GPT in AI Image Quality
TL;DR: ByteDance’s new Seedream 4.5 image model delivers sharper 4K realism, better text and editing, and closes the gap with leaders like Nano Banana Pro. On December 3, 2025, Chinese company ByteDance has announced Seedream 4.5, the newest version of its flagship image-generation model, and the update is one of the biggest jumps in the Seedream series so far. The model is following the strong adoption of Seedream 4.0 that was released earlier this year. The early benchmarks and real-world tests show clear improvements across fidelity, consistency, text rendering, and multi-image editing. Seedream 4.5 arrives during an intense moment in the generative-image race, where models like Nano Banana Pro (Gemini 3 Pro Image), Flux […]
