Hi HN — we just open‑sourced/released (or “publicly launched”, depending on whether it's open‑source) a new image generation & editing model called Doubao‑Seedream-4.5, by Volcano Engine.
Compared with 4.0, this version delivers:
Better editing consistency — the subject’s fine details, lighting, and color tone are preserved even after edits;
Improved portrait retouching & beautification, yielding more natural, high‑quality human images;
Much improved small text generation, allowing clearer and more readable embedded text (e.g. signage, interface labels, captions);
Stronger multi‑image compositing — you can combine multiple input images / prompts more reliably to produce coherent, aesthetically pleasing results;
Enhanced inference performance and overall visual aesthetics — results are more precise and artistic.
For creators building AI‑powered creative tools (image generators, illustration pipelines, concept‑art workflows, etc.), Doubao‑Seedream-4.5 offers a substantial upgrade over most 4.x‑era image models.
We’d love feedback from the community — edge‑cases discovered, prompts that fail or succeed especially well, compositing tricks, retouching workflows, anything you find interesting.
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Show HN: Doubao Seedream 4.5 – next‑gen image creation and editing model · HackerTrans
Compared with 4.0, this version delivers:
Better editing consistency — the subject’s fine details, lighting, and color tone are preserved even after edits;
Improved portrait retouching & beautification, yielding more natural, high‑quality human images;
Much improved small text generation, allowing clearer and more readable embedded text (e.g. signage, interface labels, captions);
Stronger multi‑image compositing — you can combine multiple input images / prompts more reliably to produce coherent, aesthetically pleasing results;
Enhanced inference performance and overall visual aesthetics — results are more precise and artistic.
For creators building AI‑powered creative tools (image generators, illustration pipelines, concept‑art workflows, etc.), Doubao‑Seedream-4.5 offers a substantial upgrade over most 4.x‑era image models.
We’d love feedback from the community — edge‑cases discovered, prompts that fail or succeed especially well, compositing tricks, retouching workflows, anything you find interesting.