Image Battle
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Head to head

GPT Image 1.5 vs Nano Banana Pro

By Elo rating, Nano Banana Pro is expected to win 56% of comparisons against GPT Image 1.5.

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.

GPT Image 1.5
OpenAI
1094 Elo ±45
Rank #13 of 42 · median 37s per image · 11 refused
Not judged in the same call yet
Elo expectation: GPT Image 1.5 wins 44%
Nano Banana Pro
Google
1137 Elo ±38
Rank #11 of 42 · median 25s per image

By category

CategoryGPT Image 1.5Nano Banana ProDirect record
Anime & Cartoon Style 1128 1100 —
Architecture & Interiors 1160 1095 —
Complex Scenes 1070 1115 —
Ghibli style 1204 1203 —
Graphic Design 930 1077 —
Hands & Anatomy 1114 1167 —
Photorealistic People & Portraits 1108 1152 —
Surreal & Creative Prompts 1166 1110 —
Text in Images 1003 1223 —
Ultra Hard 1286 1232 —

By criterion

CriterionGPT Image 1.5Nano Banana Pro
Prompt adherence 1135 1110
Technical quality 1034 1094
Artistic merit 1079 1162
Detail execution 1072 1150
Realism & coherence 1006 1114

Side by side

Anime & Cartoon Style A cartoon of a cat and a dog on an adventure, drawn in a colorful 2D style.
A cartoon of a cat and a dog on an adventure, drawn in a colorful 2D style. - GPT Image 1.5
GPT Image 1.5 8 / 10 This is one of the stronger interpretations for explicit storytelling, vibrant styling, and plentiful well-executed details. Slight visual overcrowding keeps it below the most compositionally controlled images.
A cartoon of a cat and a dog on an adventure, drawn in a colorful 2D style. - Nano Banana Pro
Nano Banana Pro 9 / 10 This is the strongest overall combination of creativity, movement, vibrant stylization, and coherent adventure storytelling. Only minor background-detail imperfections prevent a flawless score.
Architecture & Interiors Cross-section rendering of a multi-level underground bunker with different functional areas, structural support systems, ventilation, and power generation facilities visible.
Cross-section rendering of a multi-level underground bunker with different functional areas, structural support systems, ventilation, and power generation facilities visible. - GPT Image 1.5
GPT Image 1.5 6 / 10 An attractive and broadly relevant illustration, but its engineering organization is weaker than its visual presentation. Ambiguous circulation and loosely resolved machinery materially reduce its value as a technical cross-section.
Cross-section rendering of a multi-level underground bunker with different functional areas, structural support systems, ventilation, and power generation facilities visible. - Nano Banana Pro
Nano Banana Pro 8 / 10 This is a strong technical illustration with unusually comprehensive coverage of the brief. Equipment-label mismatches and simplified power-system logic keep it below the best, more convincing renderings.
Complex Scenes A bustling market scene with dozens of people buying and selling goods.
A bustling market scene with dozens of people buying and selling goods. - GPT Image 1.5
GPT Image 1.5 6 / 10 Vivid and highly faithful to the prompt, but weaker on the close-up interaction that should anchor the scene. The ambiguous weighing apparatus and soft hand structure outweigh its attractive atmosphere.
A bustling market scene with dozens of people buying and selling goods. - Nano Banana Pro
Nano Banana Pro 8 / 10 Ranked 4th of 13, this image combines excellent crowd density with a coherent environmental narrative. It falls behind the leaders in the precision of smaller faces and interactions.
Ghibli style A kitchen with magical cooking implements preparing breakfast. Duplicate the artistic style of Studio Ghibli's domestic scenes, with Miyazaki's detailed settings and warm lighting.
A kitchen with magical cooking implements preparing breakfast. Duplicate the artistic style of Studio Ghibli's domestic scenes, with Miyazaki's detailed settings and warm lighting. - GPT Image 1.5
GPT Image 1.5 7 / 10 Ranked 6th of 11, this delivers abundant magical cooking and an appealing breakfast atmosphere. The misdirected teapot pour is a major coherence flaw that prevents an excellent rating.
A kitchen with magical cooking implements preparing breakfast. Duplicate the artistic style of Studio Ghibli's domestic scenes, with Miyazaki's detailed settings and warm lighting. - Nano Banana Pro
Nano Banana Pro 9 / 10 Ranks second of eleven: it combines exceptionally explicit magical breakfast action with rich setting design and expressive storytelling. The leading image has slightly cleaner spatial organization, but this is among the most imaginative and complete responses.
Graphic Design Minimalist logo for a sustainable coffee brand 'Evergreen Brew', single leaf motif, clean lines, vector style, white background. 'Evergreen Brew' contained as text in logo
Minimalist logo for a sustainable coffee brand 'Evergreen Brew', single leaf motif, clean lines, vector style, white background. 'Evergreen Brew' contained as text in logo - GPT Image 1.5
GPT Image 1.5 3 / 10 Ranked 13th of 13, this is the weakest interpretation because both presentation and readability suffer. The recognizable leaf and correct text cannot compensate for the wrong background and unsuitable effect-heavy styling.
Minimalist logo for a sustainable coffee brand 'Evergreen Brew', single leaf motif, clean lines, vector style, white background. 'Evergreen Brew' contained as text in logo - Nano Banana Pro
Nano Banana Pro 8 / 10 Ranks 4th of 13 for its clean execution and comparatively inventive text–symbol integration. Slight compositional imbalance keeps it below the most polished entries.
Hands & Anatomy A person standing before a mirror, with their front and reflected back both visible.
A person standing before a mirror, with their front and reflected back both visible. - GPT Image 1.5
GPT Image 1.5 9 / 10 This is the strongest literal match in the set and the most successful combination of correct orientation and believable correspondence. Its straightforward composition keeps it short of an exceptional, flawless 10.
A person standing before a mirror, with their front and reflected back both visible. - Nano Banana Pro
Nano Banana Pro 6 / 10 The image is visually rich and technically accomplished, but it misses the explicitly requested reflected-back arrangement. That central prompt error outweighs its excellent decorative treatment.
Photorealistic People & Portraits A group selfie of three friends of different ethnic backgrounds smiling at the camera.
A group selfie of three friends of different ethnic backgrounds smiling at the camera. - GPT Image 1.5
GPT Image 1.5 8 / 10 Ranks 6th of 13. This is a clear, attractive selfie with strong execution, held back mainly by slightly idealized facial finishing.
A group selfie of three friends of different ethnic backgrounds smiling at the camera. - Nano Banana Pro
Nano Banana Pro 6 / 10 Rank 9 of 13: stronger than several lower entries in photographic execution, but substantially less faithful to the requested viewpoint. The distinction between a selfie and an outside photograph of selfie-taking receives significant weight.
Surreal & Creative Prompts A dessert cake that looks like a tiny planet, complete with miniature trees and mountains, photographed in a professional food photography style with tilt-shift focus effect.
A dessert cake that looks like a tiny planet, complete with miniature trees and mountains, photographed in a professional food photography style with tilt-shift focus effect. - GPT Image 1.5
GPT Image 1.5 9 / 10 Ranked 3rd of 13, this is an excellent miniature planet with especially strong culinary textures and visual impact. Its crowded upper landscape is less spatially varied than those of the two leaders.
A dessert cake that looks like a tiny planet, complete with miniature trees and mountains, photographed in a professional food photography style with tilt-shift focus effect. - Nano Banana Pro
Nano Banana Pro 7 / 10 Rank 6 of 13: this delivers the complete concept with attractive rustic photography. Rough landscape definition and competing props make it less refined than the higher-ranked spherical cakes.
Text in Images A book cover showing the title "Journey to Mars" along with an astronaut illustration, contemporary sci-fi design style.
A book cover showing the title "Journey to Mars" along with an astronaut illustration, contemporary sci-fi design style. - GPT Image 1.5
GPT Image 1.5 4 / 10 This ranks last because elaborate rendering cannot compensate for visibly cropping the required title. The defect directly compromises the task's emphasis on accurate, clear text integrated with imagery.
A book cover showing the title "Journey to Mars" along with an astronaut illustration, contemporary sci-fi design style. - Nano Banana Pro
Nano Banana Pro 9 / 10 Ranks first of 13 for the strongest combination of accurate text, purposeful illustration, and publication-ready hierarchy. Only minor congestion among the overlapping geometric elements prevents a flawless score.
Ultra Hard Photorealistic image of a robot painting a realistic self-portrait (i.e. the robot) on canvas, mimicking Van Gogh’s art style; clear, realistic metallic textures and painting details visible
Photorealistic image of a robot painting a realistic self-portrait (i.e. the robot) on canvas, mimicking Van Gogh’s art style; clear, realistic metallic textures and painting details visible - GPT Image 1.5
GPT Image 1.5 5 / 10 More imaginative and self-portrait-aware than the human-portrait variants, but it fails the photorealistic outer-scene requirement. Its high painterly merit cannot compensate for that central stylistic mismatch.
Photorealistic image of a robot painting a realistic self-portrait (i.e. the robot) on canvas, mimicking Van Gogh’s art style; clear, realistic metallic textures and painting details visible - Nano Banana Pro
Nano Banana Pro 9 / 10 Rank 2 of 13. It nearly matches the leader through excellent material realism and a convincing self-portrait, but its painting texture and narrative staging are slightly less richly developed.

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