Image Battle
Compare AI Image Generators for your use-case
Head to head

Nano Banana Pro vs Seedream 5.5

Seedream 5.5 wins 60% of 96 direct comparisons against Nano Banana Pro.

Both models received the same prompts. Wins and losses count only images judged together in the same call, the same comparisons the leaderboard Elo is fitted from.

Nano Banana Pro
Google
1100 Elo ±36
Rank #14 of 45 · median 25s per image
29–19–48
wins – ties – losses for Nano Banana Pro
96 direct comparisons
Elo expectation: Nano Banana Pro wins 43%
Seedream 5.5
Bytedance
1148 Elo ±45
Rank #11 of 45 · median 21s per image · 4 refused

By category

CategoryNano Banana ProSeedream 5.5Direct record
Anime & Cartoon Style 1104 1337 1–0–7
Architecture & Interiors 1080 1249 2–3–5
Complex Scenes 1116 1117 2–4–4
Ghibli style 1057 1275 0–2–6
Graphic Design 1062 1074 4–1–5
Hands & Anatomy 1083 1128 3–1–6
Photorealistic People & Portraits 1134 1185 3–3–4
Surreal & Creative Prompts 1054 1112 3–3–4
Text in Images 1174 1037 5–2–3
Ultra Hard 1195 1192 6–0–4

By criterion

CriterionNano Banana ProSeedream 5.5
Prompt adherence 1081 1024
Technical quality 1062 1157
Artistic merit 1107 1156
Detail execution 1093 1159
Realism & coherence 1073 1191

Side by side

Anime & Cartoon Style An anime-style portrait of a samurai standing under pink cherry blossoms.
An anime-style portrait of a samurai standing under pink cherry blossoms. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteThe image has genuine artistic appeal and one of the more distinctive surface styles in the set. Unclear weapon handling and crowded structural drawing prevent its decorative richness from translating into equally strong overall execution.
An anime-style portrait of a samurai standing under pink cherry blossoms. - Seedream 5.5
Seedream 5.5 10 / 10
Judge's noteRank 1 of 12: the most complete integration of anime styling, convincing construction, expressive composition, and spring color. It reads as finished professional artwork without a conspicuous flaw that meaningfully detracts from the requested image.
Architecture & Interiors An ancient Roman bathhouse interior with accurate architectural details - marble columns, mosaic floors, arched ceilings, and steam rising from pools. Natural light from oculus openings.
An ancient Roman bathhouse interior with accurate architectural details - marble columns, mosaic floors, arched ceilings, and steam rising from pools. Natural light from oculus openings. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteRanked 9th of 12 for attractive artistic treatment but weaker historical and anatomical specificity. It succeeds more as a classical fantasy tableau than as an accurate Roman interior.
An ancient Roman bathhouse interior with accurate architectural details - marble columns, mosaic floors, arched ceilings, and steam rising from pools. Natural light from oculus openings. - Seedream 5.5
Seedream 5.5 9 / 10
Judge's noteThis is the strongest image in the set, combining architectural credibility with excellent material rendering and spatial organization. Its minor ornamental simplifications prevent a flawless score.
Complex Scenes A family cooking together in a kitchen, each person busy with a different task.
A family cooking together in a kitchen, each person busy with a different task. - Nano Banana Pro
Nano Banana Pro 9 / 10
Judge's noteRanked third, with one of the strongest photographic atmospheres in the set. It falls behind the leading images mainly because one person's exact task is less clearly communicated.
A family cooking together in a kitchen, each person busy with a different task. - Seedream 5.5
Seedream 5.5 6 / 10
Judge's noteThe image succeeds at naturalism and atmosphere but only partially distinguishes the participants' jobs. Its lower score reflects task differentiation and multi-focal clarity rather than any requirement for children or a particular family structure.
Ghibli style A flying castle floating in clouds at sunrise. Match the visual aesthetic of 'Howl's Moving Castle' by Studio Ghibli, with Miyazaki's blend of steampunk elements and fantasy.
A flying castle floating in clouds at sunrise. Match the visual aesthetic of 'Howl's Moving Castle' by Studio Ghibli, with Miyazaki's blend of steampunk elements and fantasy. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteRanks eighth, with stronger stylistic fidelity than the more polished copper-propeller castle. Its appealing concept and expressive medium are held back by under-resolved structural drawing.
A flying castle floating in clouds at sunrise. Match the visual aesthetic of 'Howl's Moving Castle' by Studio Ghibli, with Miyazaki's blend of steampunk elements and fantasy. - Seedream 5.5
Seedream 5.5 9 / 10
Judge's noteRanked 2nd of 10, this offers the strongest environmental storytelling and depth in the set. It falls just behind the winner's more distinctive hand-drawn finish and exceptionally clear mechanical design.
Graphic Design Seamless geometric pattern, Art Deco style, gold lines on deep emerald green background, high resolution texture for print.
Seamless geometric pattern, Art Deco style, gold lines on deep emerald green background, high resolution texture for print. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteThis ranks eighth, with material richness that exceeds its geometric and tiling reliability. Uncertain edge continuity and congested central joins substantially reduce its usefulness for the requested seamless print texture.
Seamless geometric pattern, Art Deco style, gold lines on deep emerald green background, high resolution texture for print. - Seedream 5.5
Seedream 5.5 9 / 10
Judge's noteRanks second for its sophisticated ornament, strong repeat organization, and excellent fine-detail control. Its slightly muted green palette and greater visual density place it just behind the cleaner, more directly matched leading design.
Hands & Anatomy A yoga practitioner in a complex pose, arms and legs fully extended (full-body view).
A yoga practitioner in a complex pose, arms and legs fully extended (full-body view). - Nano Banana Pro
Nano Banana Pro 8 / 10
Judge's noteThis is one of the stronger literal prompt matches, combining extended limbs with credible anatomy and a complete silhouette. Minor hand-detail limitations keep it below the most polished examples.
A yoga practitioner in a complex pose, arms and legs fully extended (full-body view). - Seedream 5.5
Seedream 5.5 3 / 10
Judge's noteRanked 11th of 12, this contains a critical extra-limb failure despite its attractive photographic treatment. The anatomical impossibility must outweigh the quality of the setting and lighting.
Photorealistic People & Portraits A black and white close-up portrait of a freckled woman with an intense gaze.
A black and white close-up portrait of a freckled woman with an intense gaze. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteEighth of 12, this image offers strong literal coverage but less controlled texture and highlight handling. Its convincing basic anatomy keeps it above the weakest entries, while the overemphasized microdetail limits its finish.
A black and white close-up portrait of a freckled woman with an intense gaze. - Seedream 5.5
Seedream 5.5 10 / 10
Judge's noteThis ranks first for its combination of photographic credibility, precise execution, and complete prompt fulfillment. No conspicuous generation artifacts are visible at the supplied resolution, and the result reads as a finished professional portrait.
Surreal & Creative Prompts A forest of giant mushrooms with houses built on top of them, rendered in a whimsical Studio Ghibli-inspired art style with vibrant colors and fantastical details.
A forest of giant mushrooms with houses built on top of them, rendered in a whimsical Studio Ghibli-inspired art style with vibrant colors and fantastical details. - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteThe image succeeds as a charming storybook illustration, but its circulation routes and focal organization are less assured than those of the leading entries. Its strong subject coverage does not entirely compensate for those structural ambiguities.
A forest of giant mushrooms with houses built on top of them, rendered in a whimsical Studio Ghibli-inspired art style with vibrant colors and fantastical details. - Seedream 5.5
Seedream 5.5 8 / 10
Judge's noteRanked 5th of 12 for stylistic cohesion, atmospheric lighting, and convincing natural scenery. It is less elaborate than the higher-ranked settlements, but its quieter execution is consistently strong.
Text in Images A movie poster for a fictional film titled "The Last Sunrise". Dramatic Hollywood design style.
A movie poster for a fictional film titled "The Last Sunrise". Dramatic Hollywood design style. - Nano Banana Pro
Nano Banana Pro 5 / 10
Judge's noteRanked 12th because its conspicuous headline-billing problems are especially damaging in this typography-focused task. The readable title and competent central illustration prevent it from being a failure, but the overall package lacks professional consistency.
A movie poster for a fictional film titled "The Last Sunrise". Dramatic Hollywood design style. - Seedream 5.5
Seedream 5.5 8 / 10
Judge's noteA polished and coherent theatrical poster with particularly effective title placement. Slightly synthetic environmental textures and a conventional concept prevent it from reaching the leading tier.
Ultra Hard Photorealistic close-up portrait of a person clearly performing the American Sign Language gesture for "thank you," hand positioned visibly in front of the chest, clear expression on face, neutral background
Photorealistic close-up portrait of a person clearly performing the American Sign Language gesture for "thank you," hand positioned visibly in front of the chest, clear expression on face, neutral background - Nano Banana Pro
Nano Banana Pro 6 / 10
Judge's noteRank 7 of 12: this is one of the stronger photographic portraits, but its signing accuracy is uncertain. The sideways, jaw-cupping placement keeps it below the clearer fingertips-at-chin examples.
Photorealistic close-up portrait of a person clearly performing the American Sign Language gesture for "thank you," hand positioned visibly in front of the chest, clear expression on face, neutral background - Seedream 5.5
Seedream 5.5 9 / 10
Judge's noteRanked 1st of 12, this provides the strongest combination of photographic authenticity and credible sign positioning. The static pose does not explicitly show the outward movement, but it avoids the more consequential orientation and placement errors found elsewhere.

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