Head to head: Bytedance Seedream V4.5 Edit vs Ideogram V4.5 Edit
Bytedance Seedream V4.5 Edit vs Ideogram V4.5 Edit
By Ryan Merket · Published
A comparison of two image editors across tightly specified scenes, from architectural storytelling and emotional portraits to exact object counts, spatial relationships, hands, motion, and reflections. The test rewards both fidelity to the brief and the ability to make a composition read clearly.
The scoreboard barely moves: Seedream V4.5 Edit finishes at 62.5, Ideogram V4.5 Edit at 62.0. That half-point gap is a sample tie, with just limited confidence that either model is genuinely better. **This is a tie, not a narrow win dressed up as a verdict.** The task results split cleanly. Seedream takes the stop-motion stair leap, reflections-and-glass scene, and hands-and-anatomy test, bringing more drama to the airborne courier and making reflective surfaces a stronger part of the image. Ideogram takes the reading-room portrait, exact cup count, and attribute-binding task, where the relieved expression, clearly separated seven cups, and object-color arrangement read especially well. The two remaining scenes—Foundry Arcade View and Atrium Lease Signing—end in ties. That fits the broader pattern: Seedream can make a scene feel expansive and cinematic, while Ideogram often earns points through tidy composition and legibility. Neither tendency consistently overcomes the other across these prompts. **Final call: a genuine tie.** Choose based on the kind of edit you need, not this aggregate score: these results show different strengths, but no reliable overall edge for either model.
Foundry Arcade View
A precise street-level view down the interior arcade of the defunct Moriyama Turbine Foundry converted into a public market, showing a long brick corridor with repeating steel trusses, tiny hanging wayfinding signs, and evenly spaced vendor kiosks receding toward a single clear vanishing point; in the foreground, a towering oxidized flywheel sculpture, medium-height shoppers, child-sized stools, and a distant maintenance cart must all read at correct relative scale with no warped geometry; art style: high-fidelity architectural visualization; lighting/composition: late-afternoon sun slicing through clerestory windows, long shadow bands across the floor, rigorously consistent linear perspective, 16:9
OpenAI: GPT-6 Luna: Model A more fully delivers the towering oxidized flywheel, child-sized stool, strong clerestory sunbeams, and long shadow bands while maintaining a convincing corridor vanishing point. Model B has especially tidy perspective and a balanced layout, but its flywheel feels less monumental and the lighting is less evocative. (Second judge pass, order swapped — scores are the average of both: Model B more closely matches the requested street-level market arcade, with a clear vanishing point, repeati | Anthropic: Claude Fable 5.1: Model A delivers more of the prompt's specific…
Relief in the Reading Room
A close portrait of the chief archivist of the rain-soaked Bellwether Municipal Library finally discovering an intact ledger thought lost in the 1931 flood, her expression unmistakably relieved and disbelieving at once—wet lashes, trembling half-laugh, shoulders dropping, one gloved hand pressed to her mouth while the other cradles the cracked green volume; art style: cinematic realist oil painting; setting details: walnut reading room shelves, ladder rails, amber desk lamps, and blurred storm-streaked windows behind her; lighting: warm lamp glow against cool blue rain light, shallow depth of field focused on the face
OpenAI: GPT-6 Luna: Model A captures the rain, warm lamp, ladder, and cracked green ledger vividly, but its extreme crop and closed-eye smile make the expression less clearly disbelieving. Model B gives the archivist a more legible relieved, tearful reaction, with a gloved hand at her mouth and a clearly identified ledger, in a polished reading-room composition. (Second judge pass, order swapped — scores are the average of both: Model B more clearly captures the archivist’s relieved, disbelieving expression and fra | Anthropic: Claude Fable 5.1: Model B delivers a balanced, polished portrait…
Exact counting
A clean overhead flat lay on white marble of EXACTLY seven identical espresso cups arranged in a single straight row, each clearly separate and individually countable, even soft lighting, 16:9.
OpenAI: GPT-6 Luna: Model A shows seven cups in a straight row, but the cups are crowded and partly clipped at the image edges. Model B presents all seven clearly and evenly on white marble, though the extra spoon is a minor deviation. (Second judge pass, order swapped — scores are the average of both: Model B shows exactly seven clearly separated cups in a straight, fully visible row, though the extra spoon is unrequested. Model A also appears to have seven cups, but the row is pushed to the bottom edge and the ri | Anthropic: Claude Fable 5.1: Both Model A and Model B render exactly seven e…
Atrium Lease Signing
Inside the newly restored Dorset & Vale seed exchange atrium, seven distinct people interact in one coherent scene: a gray-suited broker sliding a brass pen across a terrazzo table to a florist in a saffron coat, a teenage apprentice balancing rolled blueprints, twin electricians on separate ladders adjusting pendant globes, an elderly terrier on a red leash sniffing a crate of ceramic tiles, and a café server weaving through them with a tray of tiny espresso cups; art style: ultra-detailed editorial architectural photography; composition: well-balanced wide shot emphasizing spatial relationships under the atrium skylight, polished stone reflections, hanging ferns, and readable background mezzanine railings; crisp natural noon light with soft bounce, 16:9
OpenAI: GPT-6 Luna: Model A captures the requested skylit atrium, hanging ferns, reflective stone, and all the key interactions, with especially strong architectural scale and natural editorial-photo realism. Model B is more neatly centered and makes the Dorset & Vale setting explicit, but Model A feels more expansive and better emphasizes the spatial relationships in the prompt. (Second judge pass, order swapped — scores are the average of both: Model B presents the signing and surrounding activity together in a b | Anthropic: Claude Fable 5.1: Model A delivers a richer, more credible editor…
Hands & anatomy
A natural candid photo of a person tying a friendship bracelet, both hands clearly visible with anatomically correct fingers and a plausible grip on the threads, soft daylight, shallow depth of field, 16:9.
OpenAI: GPT-6 Luna: Model B shows both hands clearly with a plausible grip on the bracelet threads, and its soft daylight and wider candid setting fit the prompt well. Model A has attractive shallow focus and visible bracelet work, but the extreme close crop makes the hands and finger anatomy less clear. (Second judge pass, order swapped — scores are the average of both: Model B better matches the natural candid scene, soft daylight, and clear view of both hands holding the bracelet, with convincing anatomy and a p | Anthropic: Claude Fable 5.1: Model A shows both hands close-up with clearly…
Attribute binding
A photorealistic tabletop scene: a matte green cube to the LEFT of a glossy red sphere, a small blue cylinder BEHIND both, and a single yellow rubber duck sitting ON TOP of the cube. Colors must stay on the correct objects. Soft studio light, 16:9.
OpenAI: GPT-6 Luna: Model B clearly shows the green cube to the left of the red sphere, the blue cylinder behind them, and a single yellow duck atop the cube, with a balanced tabletop composition. Model A includes the requested objects and colors, but the duck is oversized and the sphere and cylinder are awkwardly cropped at the bottom edge. (Second judge pass, order swapped — scores are the average of both: Model B clearly shows all four correctly colored objects in the requested arrangement, with the duck on the | Anthropic: Claude Fable 5.1: Both models correctly bind every color and satis…
Stop-Motion Stair Leap
A handmade claymation-style courier in a bottle-green uniform is captured mid-leap across a half-finished hotel lobby staircase, coat tails whipping, one hand clutching a parcel stamped "North Quay Room 814," the other reaching for a brass banister as loose receipts and plaster dust spiral behind him; below, a checkerboard marble floor, stacked velvet chairs, and a startled concierge doll reinforce the motion; composition: dynamic diagonal framing from low angle inside the interior space; lighting: theatrical tungsten sidelights with a cool skylight rim, crisp freeze-frame energy and believable stop-motion texture, 16:9
OpenAI: GPT-6 Luna: Model A delivers a more dramatic low-angle freeze-frame, with the courier clearly airborne, reaching for the brass banister, and surrounded by swirling receipts and plaster dust; its lobby details and theatrical warm/cool lighting also closely match the prompt. Model B includes the checkerboard floor, startled concierge, and an under-construction staircase, but the courier feels smaller and less dynamically suspended, and the parcel text is less legible. (Second judge pass, order swapped — score | Anthropic: Claude Fable 5.1: Model A nails the low-angle diagonal framing, l…
Reflections & glass
A photorealistic close-up of a chrome teapot on a polished dark marble counter next to a glass of water; the window and a red apple on the counter must be correctly reflected in BOTH the chrome and the water's surface, dramatic side light, 16:9.
OpenAI: GPT-6 Luna: Model A more closely delivers the dramatic close-up and shows the window and red apple echoed in the reflective surfaces, with striking light on the chrome and dark marble. Model B is cleanly rendered, but its wider, subdued composition makes the reflections—especially in the water—less apparent. (Second judge pass, order swapped — scores are the average of both: Model B presents the requested teapot, water glass, apple, and window reflections in a balanced, convincing scene with dramatic side l | Anthropic: Claude Fable 5.1: Model A delivers a true close-up with dramatic…
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