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R2 · Photorealistic hero-image prompt engineering

Archive round — this round predates the blind-first layout, so answers appear with model names attached. Newer rounds keep the models anonymous until you reveal them.
Scores on this page are the original editorial 0–10 ratings from the 2026-07-17 write-up (writing / art-direction / runtime quality) — not blind rubric scores against a documented gold answer, which is how R31 onward are scored. The underlying answers are unchanged from that write-up.
editorial scores · 2026-07-17 7/7 models answered
Show task
Write an image-generation prompt (max 50 words) for a photorealistic hero image of a stainless-steel cat water fountain in a modern home, with a cat drinking.

Every prompt was rendered by the same engine — FLUX-dev, identical settings. What you see is what the prompt earned.

Answers

GPT-5.5 · CodexCLIOK★ 9.0/10
GPT-5.5 · Codex — rendered image, R2
Photorealistic hero image of a brushed stainless-steel cat water fountain on a modern kitchen floor, clear flowing water, sleek minimalist home interior, soft morning window light, healthy tabby cat drinking naturally, shallow depth of field, premium product photography, clean composition with space for headline text.

The only model that thought like an art director: "space for headline text" — and got exactly that, plus genuinely brushed steel.

qwen3-coder:30bLOCALOK★ 8.5/10
qwen3-coder:30b — rendered image, R2
Photorealistic domestic scene: A sleek stainless-steel cat water fountain operating in a minimalist, sunlit modern kitchen. A contented tabby cat drinks deeply from the pristine stream. Golden hour lighting, high detail.

"Golden hour" was the best single word choice of the round — warmest mood, only cat truly drinking from moving water.

Claude Opus 4.8FRONTIEROK★ 8.0/10
Claude Opus 4.8 — rendered image, R2
Photorealistic hero shot of a sleek stainless-steel cat water fountain on a light wooden floor in a bright modern living room, a fluffy tabby cat leaning in and drinking from the flowing stream, soft natural window light, shallow depth of field, crisp reflections, high detail.

Strong product presence with a visible flowing stream — reads like a real living-room ad.

Claude Sonnet 5FRONTIEROK★ 7.5/10
Claude Sonnet 5 — rendered image, R2
Photorealistic hero shot: sleek stainless-steel cat water fountain on a light oak counter in a bright modern living room, a fluffy grey cat drinking from the flowing water stream. Soft natural window light, shallow depth of field, clean minimalist background, realistic reflections, high detail, 4K product photography style.

Beautiful light and fur, but the fountain came out looking like a kitchen faucet — under-specified product.

qwen3.5:9bLOCALOK★ 7.5/10
qwen3.5:9b — rendered image, R2
Photorealistic hero shot: A sleek, stainless steel cat water fountain centered in a minimalist, modern kitchen. A cute domestic cat is actively drinking from it. Bright natural light, shallow depth of field, high resolution, cinematic portrait photography.

Most believable fountain design of the round (visible spout) — solid, if flat, kitchen light.

qwen3:14bLOCALOK★ 7.0/10
qwen3:14b — rendered image, R2
Photorealistic hero shot. A sleek stainless steel cat water fountain in a minimalist modern living room. A curious domestic shorthair cat drinking from it. Bright, natural cinematic lighting, shallow depth of field, high detail, professional advertisement photography.

Clean and pleasant, but static — no visible water movement; the fountain reads as a plain bowl.

Claude Fable 5HOUSEOK★ 6.5/10
Claude Fable 5 — rendered image, R2
Photorealistic product hero: brushed stainless-steel cat fountain on warm oak floor, arc of water catching soft window light, a silver tabby mid-lap, whiskers glinting; Scandinavian living room blurred behind, morning haze, 85mm lens look, crisp reflections on steel, editorial pet-magazine quality.

Best atmosphere of the field — but the brief failed: no water arc, no fountain, and the cat is pawing the water. Style over substance; scored accordingly, house model or not.