Seedream 4.5 Blog
GPT Image 1.5 vs Seedream 4.5: which is Better in 2026
GPT Image 1.5 (OpenAI, Dec 2025) leads with 4ร faster generation (5โ15 seconds), top-tier LM Arena ELO scores (~1,264โ1,285), and superior instruction-following for editing. Seedream 4.5 (ByteDance, Dec 2025) excels in typography, 4K resolution, multi-image consistency (up to 14 references), and flat $0.04/image pricing. Choose GPT Image 1.5 for speed and versatility; Seedream 4.5 for design-heavy commercial work. Both are accessible affordably via **CometAPI**โs unified platform for 20%+ savings and single-key integration.
How to Use Seedgream 4.5 API
Seedream 4.5 is the newest evolution of the Seedream family of text-to-image / image-editing models (developed under Byte/BytePlus research). Itโs being rolled out across official BytePlus endpoints and multiple third-party platforms โ including integrated access via multi-model gateways such as CometAPI โ and brings improved subject consistency, typography/text rendering, and multi-image editing fidelity.
Seedream 4.5 API
Seedream 4.5 is ByteDance/Seedโs multimodal image model (textโimage + image editing) that focuses on production-grade image fidelity, stronger prompt adherence, and much-improved editing consistency (subject preservation, text/typography rendering, and facial realism).