Grok Imagine vs Nano Banana 2: Which AI Image Generator Wins?

XAI

1094 Elo ±46

Rank #14 of 42 · median 14s per image

Not judged in the same call yet

Elo expectation: Grok Imagine wins 47%

Google

1116 Elo ±33

Rank #12 of 42 · median 16s per image

By category

Category	Grok Imagine	Nano Banana 2	Direct record
Anime & Cartoon Style	1121	1202	—
Architecture & Interiors	1152	1069	—
Complex Scenes	1066	1175	—
Ghibli style	1130	1168	—
Graphic Design	1083	1072	—
Hands & Anatomy	1079	1096	—
Photorealistic People & Portraits	1120	1065	—
Surreal & Creative Prompts	1023	1177	—
Text in Images	1070	1151	—
Ultra Hard	1171	1128	—

By criterion

Criterion	Grok Imagine	Nano Banana 2
Prompt adherence	1093	1112
Technical quality	1070	1080
Artistic merit	1065	1093
Detail execution	1047	1116
Realism & coherence	990	1074

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. - Grok Imagine — Grok Imagine 6 / 10 A competent, appealing interpretation with clear prompt compliance. Static poses and competing decorative motifs hold it below the more focused and narratively developed adventure scenes.

A cartoon of a cat and a dog on an adventure, drawn in a colorful 2D style. - Nano Banana 2 — Nano Banana 2 9 / 10 This stands near the top for environmental storytelling, expressive character action, and balanced decorative richness. Minor limb exaggeration prevents a completely flawless assessment, but the illustration is convincingly professional.

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. - Grok Imagine — Grok Imagine 8 / 10 Ranks third of 13, with exceptional visual and material execution. Its restoration-like structural additions prevent it from matching the historical clarity of the two leading images.

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 2 — Nano Banana 2 6 / 10 Ranked 9th of 13 because its strong architectural composition is undermined by inconsistent figure execution. It is visually engaging, but less dependable at close inspection than the images ranked above it.

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. - Grok Imagine — Grok Imagine 6 / 10 The prompt is fulfilled strongly, but the crowded interactions reveal significant weaknesses in facial and hand-contact execution. It succeeds as a market overview more than as a convincing study of many interacting people.

A bustling market scene with dozens of people buying and selling goods. - Nano Banana 2 — Nano Banana 2 9 / 10 This is the strongest overall interpretation, combining exceptional crowd density with readable commercial interactions. Minor small-scale irregularities prevent a flawless score.

Ghibli style A countryside train station with a cat waiting on a bench. Rendered in Studio Ghibli animation style with Miyazaki's watercolor backgrounds and hand-drawn quality.

A countryside train station with a cat waiting on a bench. Rendered in Studio Ghibli animation style with Miyazaki's watercolor backgrounds and hand-drawn quality. - Grok Imagine — Grok Imagine 9 / 10 Ranks first for the strongest balance of prompt fidelity, expressive characterization, and environmental craftsmanship. Small structural simplifications keep it below a flawless score.

A countryside train station with a cat waiting on a bench. Rendered in Studio Ghibli animation style with Miyazaki's watercolor backgrounds and hand-drawn quality. - Nano Banana 2 — Nano Banana 2 7 / 10 Rank 5 of 11: the image is charming, specific, and strongly aligned with the requested subject. Its more uniformly inked storybook treatment and a few unresolved small constructions keep it below the most convincing animation-background examples.

Graphic Design Visual element for an infographic about water conservation. Stylized water droplet icon containing a small green leaf, clean vector art.

Visual element for an infographic about water conservation. Stylized water droplet icon containing a small green leaf, clean vector art. - Grok Imagine — Grok Imagine 8 / 10 Ranks 3rd of 13 for its polished execution and distinctive vector design. It falls behind the leaders only because its ribbon-like interpretation is less immediate as a straightforward water icon.

Visual element for an infographic about water conservation. Stylized water droplet icon containing a small green leaf, clean vector art. - Nano Banana 2 — Nano Banana 2 5 / 10 Ranked 12th, this is visually competent but substantially misinterprets the requested format and simplicity. Its excessive additions and altered droplet silhouette outweigh the polished individual components.

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). - Grok Imagine — Grok Imagine 3 / 10 Ranked 13th: the extra leg and third foot are the clearest critical failure in the set. Attractive lighting cannot compensate for an anatomically impossible primary subject.

A yoga practitioner in a complex pose, arms and legs fully extended (full-body view). - Nano Banana 2 — Nano Banana 2 9 / 10 Ranked 1st of 12, this provides the strongest combination of exact prompt adherence, plausible anatomy, and compelling presentation. Small extremity-detail imperfections keep it below a flawless 10.

Photorealistic People & Portraits A hyper-realistic photo of a toddler with curly hair and big eyes, looking upward.

A hyper-realistic photo of a toddler with curly hair and big eyes, looking upward. - Grok Imagine — Grok Imagine 7 / 10 Ranks ninth as a strong literal match with a clearly expressive upward pose. Repetitive curl shapes and digitally polished facial surfaces keep it in the competent middle tier.

A hyper-realistic photo of a toddler with curly hair and big eyes, looking upward. - Nano Banana 2 — Nano Banana 2 10 / 10 The strongest image in the set, with convincing photographic texture and no apparent anatomical or rendering artifacts. Its natural skin, expressive gaze, and exceptionally resolved hair and knitwear justify the top score.

Surreal & Creative Prompts A snail whose shell contains a miniature city skyline, depicted in a hyperrealistic macro photography style with intricate architectural details and ambient lighting.

A snail whose shell contains a miniature city skyline, depicted in a hyperrealistic macro photography style with intricate architectural details and ambient lighting. - Grok Imagine — Grok Imagine 6 / 10 Rank 11 of 13: clean rendering and a credible woodland setting are its main strengths. Fragmented exterior architecture and buildings placed on the foot weaken both prompt fidelity and integration.

A snail whose shell contains a miniature city skyline, depicted in a hyperrealistic macro photography style with intricate architectural details and ambient lighting. - Nano Banana 2 — Nano Banana 2 8 / 10 Ranked 4th of 13, this offers excellent environmental storytelling and unusually complete urban infrastructure. Its polished model aesthetic is more noticeable than in the strongest photographic interpretations.

Text in Images A storefront sign that says "Open 24/7" in neon lights, nighttime urban photography.

A storefront sign that says "Open 24/7" in neon lights, nighttime urban photography. - Grok Imagine — Grok Imagine 9 / 10 This is among the strongest entries for accurate lettering, atmosphere, and physical plausibility. Only slightly limited distant detail keeps it from a flawless assessment.

A storefront sign that says "Open 24/7" in neon lights, nighttime urban photography. - Nano Banana 2 — Nano Banana 2 6 / 10 Rank 8 of 13: strong context and correct primary text make this a successful broad interpretation. Its many small human and signage weaknesses accumulate enough to place it below the cleaner compositions.

Ultra Hard Photorealistic aerial photograph clearly showing the edge of the Earth from space, capturing realistic curvature, atmosphere, and sunlight reflections

Photorealistic aerial photograph clearly showing the edge of the Earth from space, capturing realistic curvature, atmosphere, and sunlight reflections - Grok Imagine — Grok Imagine 8 / 10 This is a strong orbital interpretation with clear curvature and richly varied clouds. Heightened color and slightly processed textures keep it below the most convincingly photographic images.

Photorealistic aerial photograph clearly showing the edge of the Earth from space, capturing realistic curvature, atmosphere, and sunlight reflections - Nano Banana 2 — Nano Banana 2 6 / 10 Ranks 7th of 13, with recognizable geography and considerable visual polish. Its exposure inconsistencies and rendered appearance prevent it from joining the genuinely photographic-looking group.

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