Guide5 models · same prompt

Same prompt, five AI image models

Real outputs from NanoBanana, NanoBanana 2, Pro, Seedream 4.5, and GPT Image 2

Short answer

Compare NanoBanana, NanoBanana 2, NanoBanana Pro, Seedream 4.5, and GPT Image 2 on the same nighttime portrait prompt — real outputs, credits, and when to pick each model.
Real outputs2K · 3:4 portraitNo references
NanoBanana Pro output from the five-model portrait comparison
Reproducible

The prompt every model saw

Copy this verbatim in Create to reproduce the comparison — then swap only the model.

Shared prompt

2K output · 3:4 portrait · no reference images

Low quality, blurry night selfie. Super close up, extra details. Influencer aesthetics. The image presents a striking vertical composition where the modern urban landscape meets the tranquil dark of the water, centered on a young woman of mesmerizing elegance (supermodel face). Standing at the edge of a concrete promenade, she possesses a lithe and slender build that harmonizes with the verticality of the surrounding architecture. Her skin, characterized by a porcelain fairness reminiscent of Northern European frost, glows with an ethereal quality against the nocturnal backdrop. Her features exhibit a flawless, symmetrical beauty; high cheekbones frame a face of delicate poise, while her gaze, framed by long lashes, carries a quiet, captivating depth. Her lips are full and softly tinted, and her hair, a luminous cascade of platinum blonde, falls gracefully over her shoulders, catching the ambient city light. She is dressed in a form-fitting, sleeveless mini dress of a pale cream or off-white hue, adorned with a subtle, fine pattern that adds a touch of intricate texture to her silhouette. A thin gold necklace rests against her collarbone, and a pink strap from a bag hangs over her shoulder, providing a soft pop of color. The environment around her is a symphony of light and shadow. Behind her, the dark, rippling waters of a river or bay reflect the shimmering golds, blues, and whites of the city’s skyline. To the left, a massive concrete pier or elevated transit track cuts across the upper frame, its underside traced by a vibrant line of multi-colored neon light. The background is a dense collection of high-rise buildings, their windows glowing with the activity of the night. One notable skyscraper stands out with purple and blue illumination, while others disappear into the soft, dark clouds of the night sky. The overall scene is one of contemporary grace, blending the sharp lines of metropolitan life with the timeless, radiant allure of the central figure.
Visual proof

Side-by-side outputs

One representative image per model from the same Gen NanoBanana run family. Each card links to that model's studio.

Gen NanoBanana AI image model comparison — GPT Image 2 OpenAI output: mirror-style nighttime selfie with visible phone, LED timestamp, ribbed tank top, neon waterfront backdrop

GPT Image 2

Distinct smartphone-mirror aesthetic with visible device and timestamp — useful when prompts call for authentic social-media framing.

Try GPT Image 2
Gen NanoBanana AI image model comparison — NanoBanana 2 output: nighttime waterfront portrait selfie, warm smile, natural skin texture, fine hair strands against dark sky

NanoBanana 2

Warmer expression and natural skin micro-detail; strong hair rendering and background coherence for fast 1K–4K iteration.

Try NanoBanana 2
Gen NanoBanana AI image model comparison — NanoBanana Pro output: nighttime waterfront portrait selfie, sharp makeup and fabric texture, vivid neon bridge and train lights, crisp city reflections

NanoBanana Pro

Highest fidelity in this set — sharper fabric weave, neon color, and environmental detail when you need production-ready portraits.

Try NanoBanana Pro
Gen NanoBanana AI image model comparison — Seedream 4.5 ByteDance output: nighttime waterfront portrait selfie, soft smile, smooth cinematic skin, embroidered top detail, purple-accent skyline

Seedream 4.5

Cinematic color grade and poster-friendly polish — good when you want stylized campaign looks rather than raw phone-camera realism.

Try Seedream 4.5
Gen NanoBanana AI image model comparison — NanoBanana google/nano-banana output: nighttime waterfront portrait selfie, neutral expression, polished skin, rainbow bridge lights and city skyline reflected in water

NanoBanana

Balanced photoreal selfie with clean skin and believable night-city bokeh — a solid daily draft model at flat per-image credits.

Try NanoBanana
Credits

Quick reference

Best-for notes and 2K credit cost — open any studio to generate with the shared prompt.

ModelBest forCredits (2K)Studio
GPT Image 2Sharp text · photoreal edits86GPT Image 2
NanoBanana 2Latest stack · 1K–4K68NanoBanana 2
NanoBanana ProSharp text · 2K / 4K101NanoBanana Pro
Seedream 4.5Poster design · multi-reference edits27Seedream 4.5
NanoBananaFast drafts · daily-friendly27NanoBanana
Takeaways

What stood out

Neutral notes from this portrait run — your mileage may vary by prompt category.

GPT Image 2

Distinct smartphone-mirror aesthetic with visible device and timestamp — useful when prompts call for authentic social-media framing.

NanoBanana 2

Warmer expression and natural skin micro-detail; strong hair rendering and background coherence for fast 1K–4K iteration.

NanoBanana Pro

Highest fidelity in this set — sharper fabric weave, neon color, and environmental detail when you need production-ready portraits.

Seedream 4.5

Cinematic color grade and poster-friendly polish — good when you want stylized campaign looks rather than raw phone-camera realism.

NanoBanana

Balanced photoreal selfie with clean skin and believable night-city bokeh — a solid daily draft model at flat per-image credits.

Frequently asked questions

Which AI image model is best for realistic portraits?

For this nighttime selfie prompt, NanoBanana Pro delivered the sharpest skin, fabric, and background detail. NanoBanana 2 is the better value pick for fast drafts with natural expression. Seedream 4.5 leans cinematic; GPT Image 2 leans authentic phone-mirror framing.

Did every model use the exact same prompt?

Yes. Each image used the same text prompt and 2K / 3:4 settings with no reference images in the Gen NanoBanana Create studio. Only the underlying model changed.

How do credits compare across these five models?

Credits vary by model and resolution. NanoBanana uses flat per-image pricing; NanoBanana 2 and Pro scale by 1K / 2K / 4K; Seedream 4.5 bills 2K and 4K tiers; GPT Image 2 uses quality tiers (Auto / Low / Medium / High). See the table on this page or the pricing page for current rates.

Should I use NanoBanana 2 or NanoBanana Pro?

Draft and batch in NanoBanana 2, then re-run keepers in Pro when you need sharper detail for production. For a deeper two-model breakdown, see our NanoBanana 2 vs Pro guide.

Can I reproduce this comparison in the studio?

Yes. Copy the prompt above, pick any of the five models in Create or on their dedicated landing pages, set 2K and 3:4, and generate. Results will vary slightly per run — this page shows one representative output per model.

More guides

Keep comparing

Evergreen pick-the-right-model guides with real outputs and credit context.

Prompting

AI image prompting

Six-slot prompt formula with copyable product, portrait, and reference-guided character examples for all five Gen NanoBanana image models.

Read guide
NanoBanana

NanoBanana 2 vs Pro

Resolution, text rendering, references, and cost — pick the right NanoBanana tier.

Read guide

Run your own comparison

Copy the prompt, switch models in Create, and keep settings identical to judge quality for your use case.