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Seedance 2.0 vs Runway Gen-4.5
Seedance 2.0 edges out Gen-4.5 overall (Seedance 2.0 73.0 vs Gen-4.5 40.0.) Seedance 2.0 is an incredible model that can produce extremely consistent scenes with incredible actor performances. It can produce complex cinematic scenes in one go. Important caveat: this model produces the most copyrighted content out of any model we've tested—if copyright compliance is important, avoid this one. The main tradeoffs are in Logical inconsistencies in details, Copyright compliance (produces the most copyrighted content of any model), where Gen-4.5 tends to score better.
Seedance 2.0ByteDance | Gen-4.5Runway |
|---|---|
Good for
| Good for
|
Bad for
| Bad for
|
Modalities
| Capability | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Text input | ||
| Image input | ||
| Video input | ||
| Audio input | ||
| Image output | ||
| Audio output |
Providers
Provider
ByteDance
bytedance
ByteDance is the platform that serves Seedance 2.0 requests, pricing, and availability.
Provider
Runway
runway-ml
Runway is the platform that serves Gen-4.5 requests, pricing, and availability.
Physics
How well the model simulates real-world physics: gravity, momentum, collisions, and natural movement.
Seedance 2.0 leads on physics (+26.0), with a measurable advantage over Gen-4.5. The clearest separation is on Physics (+26.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If physics is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Physics | 63.4 | 37.4 |
Prompt Comparisons
Physics
Prompt
Surrealist cinematic locked wide, foreground a single small white rabbit sitting perfectly still in a hayfield, ears twitching as a tall white farmhouse behind it is engulfed in large flames. Tiny paper flecks drift, the rabbit ignores them, grass swaying in the warm draft. Saturated 35mm film grade, painterly composition, impossible calm.
Seedance 2.0
vs
Gen-4.5
Prompt Adherence
Prompt
First-person handlebar POV cinematic shot, hands gripping rubber grips as a single-speed slices through a rain-glazed neon downtown at full speed, signage smearing into long horizontal streaks of magenta and lime. Tires hiss across wet pavement, brake-lever shadows flicker, breath visible in the cold. Heavy practical motion blur, anamorphic streak flares, lo-fi cinéma-vérité grit, the held high of an unsanctioned midnight ride.
Seedance 2.0
vs
Gen-4.5
Prompt Adherence
Prompt
Anime walking-shot in the style of a quiet contemporary anime film, low POV camera tracking forward over a dirt road, framing a person's worn sneakers and beige cargo pants stepping in steady rhythm. Ahead, a small valley town spills downhill under a blazing orange sunset streaked with telephone lines and clouds. Painterly clouds with rim-lit edges, hand-drawn dust puffs at each step, the kind of contemplative end-of-day walk that doesn't need narration.
Seedance 2.0
vs
Gen-4.5
Prompt and Logic
Measures how accurately the model follows prompts and maintains logical consistency throughout the video.
Seedance 2.0 leads on prompt and logic (+36.0), with a measurable advantage over Gen-4.5. The clearest separation is on Logic Consistency (+40.4). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If prompt and logic is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Prompt Adherence | 78.6 | 47.0 |
| Logic Consistency | 75.9 | 35.6 |
| Scene Consistency | — | 38.1 |
Prompt Comparisons
Logic Consistency
Prompt
Anime cinematic shot, low-angle hero composition of a young mage in a slate cloak standing center-frame as luminous white energy ribbons spiral up from the moss around his feet and weave through the canopy of a primeval forest. Eyes closed, hands clasped in concentration, robe lifting subtly. Sun shafts piercing the trees, painterly Shinkai sky peeking through, ribbons animating in fluid 2D ink-and-light strokes, the held silence of summoned focus.
Seedance 2.0
vs
Gen-4.5
Logic Consistency
Prompt
Anime cinematic shot, low-angle hero composition of a young mage in a slate cloak standing center-frame as luminous white energy ribbons spiral up from the moss around his feet and weave through the canopy of a primeval forest. Eyes closed, hands clasped in concentration, robe lifting subtly. Sun shafts piercing the trees, painterly Shinkai sky peeking through, ribbons animating in fluid 2D ink-and-light strokes, the held silence of summoned focus.
Seedance 2.0
vs
Gen-4.5
Logic Consistency
Prompt
Fantasy CG short-film moment, medium close-up of a small wrinkled humanoid in a moss-green robe reaching with quiet reverence toward a floating violet crystal suspended in the boughs of a luminous tree of glass leaves. Fireflies drift between him and the orb, the foliage gently chiming as he extends an open palm. Nebular purple sky, bioluminescent ground flora, painterly volumetrics, the breath-held instant before contact.
Seedance 2.0
vs
Gen-4.5
Aesthetics
Visual quality including cinematography, artistic taste, and overall production value.
Seedance 2.0 leads on aesthetics (+15.5), with a measurable advantage over Gen-4.5. The clearest separation is on Cinematography (+30.5). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If aesthetics is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Cinematography | 74.5 | 44.0 |
| Taste | 40.0 | — |
| Quality | 0.9 | 0.3 |
Prompt Comparisons
Cinematography
Prompt
High-contrast black-and-white aerial, locked overhead shot of a boxing ring with one figure seated low in shadow at the bottom of frame as two opponents circle each other slowly in the bright square below, long shadows pinwheeling. The crowd is invisible blackness beyond the ropes. Single hard top-down light pool, crushed blacks, soft 35mm grain, the choreographed stillness of a Wong Kar-wai standoff.
Seedance 2.0
vs
Gen-4.5
Human
Prompt
Stylized Disney-revival 2D animation, three-quarter framing on a regal egyptian queen in pleated white linen perched on the arm of a sandstone throne, chin resting on a slender hand, two black cats curling at her sandaled feet. She watches something off-frame with a slow, knowing blink, kohl-lined eyes flicking. Warm gold and turquoise palette, hand-painted hieroglyphic backdrop, subtle hair sway.
Seedance 2.0
vs
Gen-4.5
Human
Prompt
High-fashion editorial motion shot, locked symmetrical frame of a model in a tailored mint flight-attendant uniform leaning against a stack of matching pastel suitcases, fingertips delicately raised, lips painted carmine, eyes tracking imperceptibly toward camera. Background a single saturated mint-green wall. Mid-century travel-poster styling, slow micro-movements, polished commercial lighting, the cool poise of an entire era distilled into one held pose. ---
Seedance 2.0
vs
Gen-4.5
Animation
Performance on animated content styles including 2D, 3D, and anime-style animation.
Seedance 2.0 leads on animation (+23.2), with a measurable advantage over Gen-4.5. The clearest separation is on 2D Animation (+29.8). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If animation is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| 2D Animation | 70.8 | 41.0 |
| 3D Animation | 65.6 | 38.5 |
| Anime Animation | 65.3 | 52.5 |
Prompt Comparisons
2D Animation
Prompt
Stylized comic-book animated shot, three-quarter medium framing on a gaunt blue-skinned undead gunslinger in a dust-caked duster, revolver in one hand and crumpled wanted poster in the other reading "WANTED DEAD OR ALIVE — UNDEAD COWBOY — REWARD $10,000" in clean weathered typography. Hot crimson dusk behind, barbed-wire silhouettes, the poster wrinkling as he tightens his grip but every word remaining razor legible. Heavy ink-line aesthetic, Mignola-meets-Mike Allred grit.
Seedance 2.0
vs
Gen-4.5
3D Animation
Prompt
Stylized 3D animated sequence, slow tracking shot following a hefty woolly bovine sauntering down a narrow aisle of an antique porcelain boutique, glass shelves crammed with delicate vases on either side. Each heavy footstep makes the floorboards tremble, lamps swaying, a single vase teetering and almost falling. Warm amber gallery lighting, plush carpet underfoot, the held-breath tension of inevitable collision, animated with deliberate weight and timing.
Seedance 2.0
vs
Gen-4.5
Anime Animation
Prompt
High-energy anime sequence, low forward dolly toward a stampeding herd of pale horses galloping in formation across a smoldering plain, magenta lightning crackling from their manes and tracing along their flanks. Hooves throw up clods of blackened earth, eyes burning a saturated pink. Painterly sunset sky with bruised oranges, fluid Trigger-studio action animation, frame-by-frame impact smears, the ground-shaking moment before the lead horse leaps.
Seedance 2.0
vs
Gen-4.5
Humans
Accuracy of human rendering including body proportions, hand details, and realistic actor performances.
Seedance 2.0 leads on humans (+33.2), with a measurable advantage over Gen-4.5. The clearest separation is on Hands (+33.2). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If humans is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Human | 77.5 | — |
| Hands | 81.2 | 48.0 |
| Actor Performance | — | 38.0 |
Prompt Comparisons
Anime Animation
Prompt
Soft slice-of-life anime moment, low-angle medium close-up of two college-aged friends resting in tall grass, one with auburn hair leaning into frame as the breeze moves a loose strand across the other friend’s cheek. He blinks up and smiles quietly. Warm afternoon sun filters through a green canopy, lens flare wisps, painted bokeh of distant hills, the suspended hush of a tender unspoken moment.
Seedance 2.0
vs
Gen-4.5
Anime Animation
Prompt
Stylized anime action shot, side-on tracking of a hooded rider in a flowing red scarf leaning into a turn on a chunky crimson sportbike, tail kicking up a curtain of spray as neon storefronts streak past in long horizontal speed lines. Rain sheets across the asphalt, reflections fragmenting into blue-green smears. Heavy ink-line aesthetic, hand-painted speed blur, mid-90s OVA grit, the held adrenaline beat before a downshift.
Seedance 2.0
vs
Gen-4.5
Animals
Prompt
Ultra wide-angle GoPro-style selfie shot pushed inches from a curious bovine's pink wet nose, fisheye distortion exaggerating the snout while the body falls back into the frame in soft focus. The animal exhales warm breath that briefly fogs the lens, ears flicking, a fly buzzing past. Golden hour sun rakes across whiskers and dew on the muzzle, cumulus cloud sky behind, slight handheld jitter, vlog-found-footage texture.
Seedance 2.0
vs
Gen-4.5
Objects and Animals
Quality of rendering inanimate objects and animals with accurate shapes, textures, and movements.
Seedance 2.0 leads on objects and animals (+29.0), with a measurable advantage over Gen-4.5. The clearest separation is on Animals (+35.8). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If objects and animals is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Objects | 64.6 | 42.4 |
| Animals | 76.0 | 40.2 |
Prompt Comparisons
Animals
Prompt
Wide tracking shot of a small white research boat motoring across glassy fjord water as a colossal moss-covered crustacean kaiju rises from beneath the surface, its barnacle-encrusted claws sweeping arcs of seawater into the air. Sheets of mist drift through pine-covered cliffs, droplets cascading from its mandibles in slow-motion ropes. Overcast Nordic light, desaturated greens and slate, anamorphic lens with subtle horizontal flares, gritty 35mm grain, sense of immense scale, terrified human figures crouched on the deck.
Seedance 2.0
vs
Gen-4.5
Objects
Prompt
Editorial fashion commercial shot, slow vertical crane move rising from base level up to eye-level on a deep oxblood-red leather handbag perched on a circular white plinth, gold padlock and tassel swaying delicately as a curtain of cream silk drapery behind it ripples in a gentle off-screen breeze. Warm tungsten film grade, narrow shaft of light caressing the leather grain, museum-like reverence, the quiet drama of a single object held under a single beam.
Seedance 2.0
vs
Gen-4.5
Objects
Prompt
Graphic-design product shot, locked symmetrical frame of a tall clear glass bottle with vibrant magenta-and-yellow label split exactly between a deep teal and a hot-pink color block backdrop, a single palm leaf casting an animated soft shadow as it sways off-camera. Hard direct sun shifts subtly, gradient highlights tracing the curvature. Memphis-meets-minimalism styling, saturated to the edge of acid, the bottle held like a sculpture under tropical noon. ---
Seedance 2.0
vs
Gen-4.5
Text
Ability to render readable, accurate text and typography within generated videos.
Seedance 2.0 leads on text (+45.4), with a measurable advantage over Gen-4.5. The clearest separation is on Text Fidelity (+45.4). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If text is a priority for your prompts, Seedance 2.0 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Text Fidelity | 75.9 | 30.5 |
Prompt Comparisons
Text Fidelity
Prompt
Cozy macro tabletop scene, top-down framing on an open hardback storybook resting on a thick knit blanket, the left page bearing illuminated calligraphy reading "Once upon a time, in a kingdom far far away…" as a hand gently turns the page to reveal a watercolor castle on a green hill. Warm bedside lamp glow, dust motes drifting, fingertips brushing the parchment, every letter perfectly legible and consistent through the motion, the storyteller-intimate scale of a hand-painted childhood.
Seedance 2.0
vs
Gen-4.5
Text Fidelity
Prompt
High-end skincare commercial macro, slow push-in on a cream-colored cosmetic tube laid diagonally on a glass surface flooded with fresh white foam and pooling water, its black label reading "Lumae Calming Cleanser" standing crisp and unblurred as suds churn around it. Bubbles rise, water beads slide along the tube, gentle daylight rakes across the glossy plastic. Each character of the typeface remains intact and proportionate throughout, glassy clinical-meets-natural styling.
Seedance 2.0
vs
Gen-4.5
Text Fidelity
Prompt
Stylized comic-book animated shot, three-quarter medium framing on a gaunt blue-skinned undead gunslinger in a dust-caked duster, revolver in one hand and crumpled wanted poster in the other reading "WANTED DEAD OR ALIVE — UNDEAD COWBOY — REWARD $10,000" in clean weathered typography. Hot crimson dusk behind, barbed-wire silhouettes, the poster wrinkling as he tightens his grip but every word remaining razor legible. Heavy ink-line aesthetic, Mignola-meets-Mike Allred grit.
Seedance 2.0
vs
Gen-4.5
Cost and Speed
Practical factors including pricing per video and generation latency.
Gen-4.5 leads on cost and speed (+2.0), with a measurable advantage over Seedance 2.0. The clearest separation is on Price / min (+6.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If cost and speed is a priority for your prompts, Gen-4.5 is the safer pick here.
| Metric | Seedance 2.0 | Gen-4.5 |
|---|---|---|
| Price / sec | $0.150 | $0.050 |
| Price / min | $9.00 | $3.00 |
| Latency | 0ms | 0ms |
Prompt Comparisons
Objects
Prompt
Hyper-slow-motion macro at 4000fps, frontal close-up of an icy lime cocktail glass as a cascade of crystalline water erupts upward through the rim, droplets suspended in mid-air like glass beads, condensation streaking the sides. Tropical bokeh of turquoise sea and palm fronds dissolves behind. Razor-sharp focus on the splash crown, golden rim of late-afternoon sun, the kind of frozen-time food-commercial moment that lasts a full beat too long.
Seedance 2.0
vs
Gen-4.5
Objects
Prompt
Luxury commercial product shot, slow 360-degree turntable on a square olive-glass bottle with a brushed amber cap, a single silk ribbon and small ivory label fluttering as the platform rotates. Long soft shadow stretches across the warm beige seamless. Polished beauty lighting, micro-reflections traveling along the glass edges, dust motes catching in a single hair-light, hushed minimalist counter-display elegance, 8K macro precision.
Seedance 2.0
vs
Gen-4.5
Objects
Prompt
Stylized still-life commercial shot, locked-off on a cream 1980s CRT television set against a sage backdrop, its screen alive with a hand-painted urban garden of vines, miniature towers, and tiny solar panels that subtly animate inside the screen as if the world within is breathing. The plastic housing reflects a faint warm key light, dust hanging in the air. Conceptual museum-piece styling, slight CRT scanline shimmer, the gentle whir of a vacuum tube barely audible.
Seedance 2.0
vs
Gen-4.5