# Seedream 4.5 > Seedream 4.5 is available on Artifio.ai — a unified AI workspace with a single pay-as-you-go wallet. - Canonical page: https://artifio.ai/models/seedream-4-5-text-to-image - Run it: https://artifio.ai/create/seedream-4-5-text-to-image - Modality: prompt to image - Model brand: bytedance - Pricing: from about $0.035 per generation (exact cost shown in the workspace before you confirm; varies with selected options) - Typical generation time: ~35s (catalogue estimate) - Full pricing table: https://artifio.ai/pricing/models ## About Seedream 4.5 Seedream 4.5 is ByteDance Seed's scaled-up follow-on to Seedream 4.0, arriving between the 4.0 release of September 2025 and the Seedream 5.0 line that began shipping in February 2026. ByteDance describes it as an all-round improvement achieved by scaling the model, and its MagicBench comparison charts show gains over 4.0 in prompt adherence, image-text alignment, and aesthetics. This page covers the text-to-image mode. The version's most advertised upgrade is typography: ByteDance singles out dense text rendering as a capability it pushed further in 4.5, aimed at professional visual creatives that need paragraphs of small, correct text inside the image. Artifio offers it in the same pay-per-generation workspace as 100+ other models. ## Features - Text-to-image generation with enhanced typography and dense text rendering, the version's headline gain over 4.0. - Improved prompt adherence and image-text alignment versus Seedream 4.0 on ByteDance's MagicBench evaluation. - Higher aesthetics scores than 4.0 on the same evaluation. - Built on the 4.x unified architecture, so the same model also handles editing and multi-image work. - Rated on both major public arenas as of July 2026: Elo 1163 (rank 28) on Artificial Analysis and 1147 (rank 29) on the Arena text-to-image leaderboard. ## What people use it for - Layouts heavy with small text, such as menus, flyers, and information-dense promotional graphics. - Brand visuals where prompt adherence matters more than raw speed. - Professional creative work that needs consistent, high-fidelity output across a series of prompts. - Replacing Seedream 4.0 in pipelines where its typography or alignment fell short. ## Reported strengths - Dense text and typography rendering is among the best-documented abilities in the family. - Measured gains over 4.0 on prompt adherence, alignment, and aesthetics in ByteDance's published comparisons. - High-consistency, high-fidelity output is the version's stated design target, and its sibling editing mode holds ByteDance's top score on the public editing arena. ## Reported limitations - On the public text-to-image arenas it actually scores below Seedream 4.0 (Elo 1163 versus 1188 on Artificial Analysis as of July 2026), despite winning ByteDance's internal comparisons. - ByteDance published no dedicated technical report or release post for 4.5; the official page offers comparison charts but no hard specs such as resolution, speed, or release date. - Within months, ByteDance's own Seedream 5.0 Lite claimed a higher MagicArena Elo, so 4.5 held flagship status only briefly. ## Sources 1. Seedream 4.5 (ByteDance Seed): https://seed.bytedance.com/en/seedream4_5 2. Text to Image Leaderboard (Artificial Analysis): https://artificialanalysis.ai/image/leaderboard/text-to-image 3. Text-to-Image Leaderboard (Arena Intelligence): https://arena.ai/leaderboard/text-to-image 4. Introducing Seedream 5.0 Lite (ByteDance Seed): https://seed.bytedance.com/en/blog/deeper-thinking-more-accurate-generation-introducing-seedream-5-0-lite ## What it's good at - The strongest editorial-photography aesthetic in our battery: its portrait came back as a magazine-grade extreme close-up with superb skin and hand detail and atmospheric background bokeh. - Typography is clean and literal — our art-deco sign test produced crisp metallic letterforms with every word correct, framed as exactly the sign we asked for. - Confident, opinionated composition: it consistently picks a bolder crop and framing than rivals, which gives you striking results without prompt engineering. ## Where it falls down - That same opinionated framing breaks explicit briefs: told to keep both faces in focus in our handshake test, it chose an over-the-shoulder composition that hides one face entirely. - Poses can look contrived on close inspection — our portrait hooked the subject's fingers over a rail at face height, a striking but unnatural gesture. - Color interpretation is literal-minded in reverse: 'Golden Harvest' tomatoes came back red, ignoring the color cue embedded in the name. ## Best for - Editorial and magazine-style photography - Striking single-subject shots - Clean signage ## Sample generations (exact prompts) All samples below were generated on Artifio.ai with this model and are hosted on our media CDN. ### Magazine-grade close-up with extreme skin and hand detail Prompt: "Close-up portrait of a middle-aged fisherman with deeply weathered skin, golden hour light on a harbor, shallow depth of field, 85mm photograph" Output (image): https://media.artifio.ai/users/user_3Bm1K1h3HGUm1KEaek1PCLVody6/outputs/seedream-4.5-text-to-image/2026/07/12/1783817014005-3b3524a5-019f-4224-a288-833b87c2c8bd.jpg ### Crisp metallic letterforms, literal interpretation of the brief Prompt: "A bakery storefront sign that reads 'GOLDEN CRUST BAKERY — FRESH DAILY' in art-deco lettering, warm evening light" Output (image): https://media.artifio.ai/users/user_3Bm1K1h3HGUm1KEaek1PCLVody6/outputs/seedream-4.5-text-to-image/2026/07/12/1783817198548-dde931b9-96e8-412b-8642-98250539607a.jpg _Strengths and weaknesses above were observed in real generations by the Artifio team, not taken from vendor marketing copy._ --- About Artifio.ai: 100+ AI image, video, and audio models in one workspace with a single shared wallet — no per-model subscriptions. 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