Seedream V4.5 is ByteDance's flagship image generation model, representing their most capable offering to date. With an ELO score around 1147, it positions itself as a versatile premium option. The model excels through its combination of speed, feature set, and resolution flexibility—generating images in approximately 2.5 seconds with support for 1K, 2K, and 4K output. Notable features include image-to-image capabilities and built-in prompt enhancement, all at a flat rate regardless of resolution choice.
ImagineArt 1.5 Pro is the professional tier of ImagineArt's realism-focused lineup. With an ELO score around 1165, it benchmarks notably higher than Seedream V4.5 in quality rankings. The Pro version builds on ImagineArt 1.5's foundation with two key upgrades: native 4K output resolution and enhanced text rendering capabilities. At roughly 13% more than Seedream's pricing, it offers specialized professional features for a modest premium.
The models represent different philosophies. Seedream V4.5 prioritizes versatility—offering image editing workflows, prompt enhancement, and fast generation. ImagineArt 1.5 Pro takes a more specialized approach, focusing on maximum photographic fidelity and text accuracy for professional applications. This specialization can produce more refined results in scenarios where those specific qualities matter most.
Pricing is nearly comparable—ImagineArt 1.5 Pro costs about 13% more than Seedream V4.5. The decision often comes down to whether you need Seedream's image-to-image workflows and faster generation, or whether ImagineArt Pro's higher benchmark scores, superior text rendering, and native 4K resolution justify the slight cost increase for your professional work.
Tip: Choose Seedream V4.5 for image-to-image workflows, faster generation times, or when you benefit from prompt enhancement. Choose ImagineArt 1.5 Pro for maximum quality benchmarks, superior text rendering, and native 4K photorealistic output.