Image Battle
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Head to head

GPT Image 2.5 Sunburst vs Nano Banana 2.1

GPT Image 2.5 Sunburst wins 63% of 98 direct comparisons against Nano Banana 2.1.

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 2.5 Sunburst
OpenAI
1348 Elo ±43
Rank #1 of 42 · median 135s per image · 2 refused
53–17–28
wins – ties – losses for GPT Image 2.5 Sunburst
98 direct comparisons
Elo expectation: GPT Image 2.5 Sunburst wins 61%
Nano Banana 2.1
Google
1268 Elo ±46
Rank #7 of 42 · median 22s per image · 1 refused

By category

CategoryGPT Image 2.5 SunburstNano Banana 2.1Direct record
Anime & Cartoon Style 1344 1446 3–1–5
Architecture & Interiors 1482 1391 6–1–3
Complex Scenes 1433 1332 6–3–1
Ghibli style 1395 1277 4–4–1
Graphic Design 1245 1193 4–2–4
Hands & Anatomy 1251 1338 2–2–6
Photorealistic People & Portraits 1276 1240 5–1–4
Surreal & Creative Prompts 1592 1313 8–0–2
Text in Images 1426 1058 8–1–1
Ultra Hard 1394 1313 7–2–1

By criterion

CriterionGPT Image 2.5 SunburstNano Banana 2.1
Prompt adherence 1249 1190
Technical quality 1289 1199
Artistic merit 1250 1222
Detail execution 1313 1208
Realism & coherence 1282 1170

Side by side

Anime & Cartoon Style A comic-book style superhero flying over a city at night, with halftone shading.
A comic-book style superhero flying over a city at night, with halftone shading. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranked 2nd of 12, this image combines outstanding halftone execution with dramatic flight and substantial environmental depth. It narrowly trails the winner's more nuanced figure rendering and architectural specificity.
A comic-book style superhero flying over a city at night, with halftone shading. - Nano Banana 2.1
Nano Banana 2.1 10 / 10 Ranked 1st of 12: a professional-quality comic illustration that integrates action, atmosphere, architecture, and halftone printing exceptionally well. It has no evident weak area or distracting anatomical or rendering artifact.
Architecture & Interiors A photorealistic interior of a modern Scandinavian-style living room with natural light streaming through floor-to-ceiling windows. Show detailed wood textures, fabric materials, and proper light reflections.
A photorealistic interior of a modern Scandinavian-style living room with natural light streaming through floor-to-ceiling windows. Show detailed wood textures, fabric materials, and proper light reflections. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 8 / 10 Rank 4 of 13: this is a strong, atmospheric interpretation with excellent principal materials and a convincing lakeside setting. Slightly softened furniture forms keep it below the more photographically precise leaders.
A photorealistic interior of a modern Scandinavian-style living room with natural light streaming through floor-to-ceiling windows. Show detailed wood textures, fabric materials, and proper light reflections. - Nano Banana 2.1
Nano Banana 2.1 9 / 10 Rank 2 of 13: this is an excellent combination of Scandinavian restraint, appealing daylight, and tactile materials. Slightly softer peripheral details keep it just below the most consistently resolved image.
Complex Scenes A busy city intersection with cars, pedestrians, and street performers all in one frame.
A busy city intersection with cars, pedestrians, and street performers all in one frame. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranked 1st of 12 for the strongest combination of crowded-scene clarity, convincing performance, and environmental detail. Minor fine-detail imperfections keep it below a flawless 10.
A busy city intersection with cars, pedestrians, and street performers all in one frame. - Nano Banana 2.1
Nano Banana 2.1 7 / 10 This is a solid crowded-scene result with particularly good spatial organization. Repetitive crowd rendering and modest human-detail weaknesses keep it below the sharper band-centered images.
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. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 6 / 10 Rank 6 of 11: accomplished environmental and surface rendering, but only a partial match to the requested fantasy-castle aesthetic. The industrial silhouette and modeled finish are substantial prompt deviations despite the image's technical polish.
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 2.1
Nano Banana 2.1 9 / 10 Rank 1 of 11: this is the strongest synthesis of the requested aesthetic, imaginative engineering, and sunrise atmosphere. Minor uncertainties in mechanical connections prevent a flawless score.
Graphic Design Abstract geometric logo for tech startup 'Quantum Leap', evoking connection & speed, vibrant blue/purple gradient, sharp angles. 'Quantum Leap' as text contained in logo.
Abstract geometric logo for tech startup 'Quantum Leap', evoking connection & speed, vibrant blue/purple gradient, sharp angles. 'Quantum Leap' as text contained in logo. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranked 1st of 13 for the strongest balance of distinctive symbolism, prompt adherence, and professional execution. Only minor small-scale reproduction concerns keep it from a flawless score.
Abstract geometric logo for tech startup 'Quantum Leap', evoking connection & speed, vibrant blue/purple gradient, sharp angles. 'Quantum Leap' as text contained in logo. - Nano Banana 2.1
Nano Banana 2.1 6 / 10 Ranked 7th of 13. It communicates the brief thoroughly, but excessive detail and limited scalability outweigh its impressive rendering.
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 2.5 Sunburst
GPT Image 2.5 Sunburst 7 / 10 This is a polished and expressive mirror portrait with largely coherent anatomy. It falls short of the top entries because it reverses the requested viewing roles and has slightly less exact pose correspondence.
A person standing before a mirror, with their front and reflected back both visible. - Nano Banana 2.1
Nano Banana 2.1 9 / 10 This is the strongest image because it combines the exact requested orientation with convincing anatomy, reflection geometry, and photographic finish. Slight softness in secondary details keeps it short of a flawless score.
Photorealistic People & Portraits A ultra high-resolution portrait of an elderly woman with silver hair and bifocal glasses, each lens reflecting a distant landscape, captured in warm late-afternoon sunlight
A ultra high-resolution portrait of an elderly woman with silver hair and bifocal glasses, each lens reflecting a distant landscape, captured in warm late-afternoon sunlight - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranked 2 of 13, this is one of the strongest images for texture, expression, and environmental integration. Slightly ambiguous bifocal segmentation and uneven reflection transparency keep it just behind the leader.
A ultra high-resolution portrait of an elderly woman with silver hair and bifocal glasses, each lens reflecting a distant landscape, captured in warm late-afternoon sunlight - Nano Banana 2.1
Nano Banana 2.1 6 / 10 Rank 7 of 13: a convincing portrait is weakened by underdelivery of the prompt's central optical feature. Indistinct landscapes and unclear bifocals warrant a meaningful reduction despite otherwise strong craftsmanship.
Surreal & Creative Prompts An elephant made of clouds floating in a sunset sky, rendered in a surrealist photorealistic style with ethereal golden lighting and atmospheric depth.
An elephant made of clouds floating in a sunset sky, rendered in a surrealist photorealistic style with ethereal golden lighting and atmospheric depth. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranks second, delivering an exceptionally powerful and thoroughly cloud-built interpretation. It is slightly less delicate and materially natural than the first-ranked image, but remains excellent.
An elephant made of clouds floating in a sunset sky, rendered in a surrealist photorealistic style with ethereal golden lighting and atmospheric depth. - Nano Banana 2.1
Nano Banana 2.1 6 / 10 Ranks eighth, with a reasonably strong cloud interpretation but noticeably unresolved lighting and material transitions. Its atmospheric ambition exceeds the consistency of its execution.
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. - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 9 / 10 Ranked first for its combination of exceptionally clear lettering, convincing construction, and balanced urban photography. It falls short of a flawless score only through slight highlight intensity and residual softness in peripheral details.
A storefront sign that says "Open 24/7" in neon lights, nighttime urban photography. - Nano Banana 2.1
Nano Banana 2.1 6 / 10 Accurate primary text and solid material rendering are clear strengths. The weaker nighttime impression and congested window reflections prevent it from matching the more focused photographic entries.
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 - GPT Image 2.5 Sunburst
GPT Image 2.5 Sunburst 5 / 10 Rank 8 of 12: believable anatomy and a pleasant expression support a competent portrait, not the requested sign. It falls below the cheek-hand portrait because both its action and framing depart more clearly from the specific brief.
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 2.1
Nano Banana 2.1 8 / 10 Ranked 2nd of 13, this combines some of the best photographic realism with a substantially more relevant handshape and placement than most alternatives. Slight uncertainty about the exact signing position and the nonplain background keep it below the strongest match.

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