# FLUX 3 vs Luma Uni-1 Max URL: https://promptlineup.com/image/compare/flux-3-vs-luma-uni-1-max/ Last updated: 2026-10-14 License: CC BY 4.0. Cite as "PromptLineup" with this URL. > Short answer: FLUX 3 and Luma Uni-1 Max split the 4 use cases we tested: FLUX 3 wins product photos (4.4 vs 4.3) and social media ads (4.5 vs 4.3), Luma Uni-1 Max wins interior & architecture (4.6 vs 4.5) and portraits & people (4.4 vs 4.1). FLUX 3 is cheaper ($0.024 vs $0.102 per image) and faster (26.3 s vs 81.4 s median). Same prompts, same settings: how the two models compare on score, price and time to image in every use case we tested both on. ## Results by use case | Use case | Model | Rank | Score | $/image | Time to image | Winner | |---|---|---|---|---|---|---| | [Interior & architecture](https://promptlineup.com/image/best/interior-architecture/) | [FLUX 3](https://promptlineup.com/image/models/flux-3/) | #7 of 13 | 4.5 | $0.024 | 25.1 s | | | [Interior & architecture](https://promptlineup.com/image/best/interior-architecture/) | [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/) | #6 of 13 | 4.6 | $0.102 | 102.2 s | wins | | [Portraits & people](https://promptlineup.com/image/best/portrait/) | [FLUX 3](https://promptlineup.com/image/models/flux-3/) | #8 of 13 | 4.1 | $0.024 | 28.2 s | | | [Portraits & people](https://promptlineup.com/image/best/portrait/) | [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/) | #3 of 13 | 4.4 | $0.102 | 80.5 s | wins | | [Product photos](https://promptlineup.com/image/best/product-photo/) | [FLUX 3](https://promptlineup.com/image/models/flux-3/) | #5 of 13 | 4.4 | $0.024 | 23.8 s | wins | | [Product photos](https://promptlineup.com/image/best/product-photo/) | [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/) | #6 of 13 | 4.3 | $0.102 | 81.7 s | | | [Social media ads](https://promptlineup.com/image/best/social-media-ad/) | [FLUX 3](https://promptlineup.com/image/models/flux-3/) | #3 of 13 | 4.5 | $0.024 | 27.5 s | wins | | [Social media ads](https://promptlineup.com/image/best/social-media-ad/) | [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/) | #9 of 13 | 4.3 | $0.102 | 80.4 s | | Rank among every model scored for that use case. Price is the average and time the median per image. [How we test](https://promptlineup.com/methodology/) ## Same prompt, side by side ### [Café storefront with a sign](https://promptlineup.com/image/prompts/interior-architecture-cafe-front/) · Interior & architecture - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.9 · https://img.promptlineup.com/image/interior-architecture-cafe-front--flux-3--s1-20261008081205-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.8 · https://img.promptlineup.com/image/interior-architecture-cafe-front--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Modern house at blue hour](https://promptlineup.com/image/prompts/interior-architecture-house-dusk/) · Interior & architecture - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.5 · https://img.promptlineup.com/image/interior-architecture-house-dusk--flux-3--s1-20261008081704-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.7 · https://img.promptlineup.com/image/interior-architecture-house-dusk--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Marble kitchen with three pendants](https://promptlineup.com/image/prompts/interior-architecture-marble-kitchen/) · Interior & architecture - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.0 · https://img.promptlineup.com/image/interior-architecture-marble-kitchen--flux-3--s1-20261008081731-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.2 · https://img.promptlineup.com/image/interior-architecture-marble-kitchen--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Scandinavian living room](https://promptlineup.com/image/prompts/interior-architecture-scandi-living/) · Interior & architecture - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.7 · https://img.promptlineup.com/image/interior-architecture-scandi-living--flux-3--s1-20261008081754-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 5.0 · https://img.promptlineup.com/image/interior-architecture-scandi-living--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Bathroom with patterned tiles](https://promptlineup.com/image/prompts/interior-architecture-tiled-bathroom/) · Interior & architecture - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.5 · https://img.promptlineup.com/image/interior-architecture-tiled-bathroom--flux-3--s1-20261008081819-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.3 · https://img.promptlineup.com/image/interior-architecture-tiled-bathroom--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Corporate headshot on gray](https://promptlineup.com/image/prompts/portrait-corporate-headshot/) · Portraits & people - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.3 · https://img.promptlineup.com/image/portrait-corporate-headshot--flux-3--s1-20261008081847-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.3 · https://img.promptlineup.com/image/portrait-corporate-headshot--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Four friends laughing outdoors](https://promptlineup.com/image/prompts/portrait-friends-picnic/) · Portraits & people - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/portrait-friends-picnic--flux-3--s1-20261008081912-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.8 · https://img.promptlineup.com/image/portrait-friends-picnic--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Nurse with a readable name badge](https://promptlineup.com/image/prompts/portrait-nurse-badge/) · Portraits & people - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 3.5 · https://img.promptlineup.com/image/portrait-nurse-badge--flux-3--s1-20261008081943-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.5 · https://img.promptlineup.com/image/portrait-nurse-badge--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Elderly potter's hands at work](https://promptlineup.com/image/prompts/portrait-potter-hands/) · Portraits & people - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.2 · https://img.promptlineup.com/image/portrait-potter-hands--flux-3--s1-20261008082008-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 3.8 · https://img.promptlineup.com/image/portrait-potter-hands--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Rembrandt-lit dramatic portrait](https://promptlineup.com/image/prompts/portrait-rembrandt-light/) · Portraits & people - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 3.8 · https://img.promptlineup.com/image/portrait-rembrandt-light--flux-3--s1-20261008082038-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.7 · https://img.promptlineup.com/image/portrait-rembrandt-light--luma-uni-1-max--s1-20261014064950-1024.webp ### [Coffee pouch with a 3-line label](https://promptlineup.com/image/prompts/product-photo-coffee-bag-label/) · Product photos - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/product-photo-coffee-bag-label--flux-3--s1-20261008082100-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.9 · https://img.promptlineup.com/image/product-photo-coffee-bag-label--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Headphones held in hand](https://promptlineup.com/image/prompts/product-photo-headphones-hand/) · Product photos - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.2 · https://img.promptlineup.com/image/product-photo-headphones-hand--flux-3--s1-20261008082124-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 3.5 · https://img.promptlineup.com/image/product-photo-headphones-hand--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Perfume on a black mirror](https://promptlineup.com/image/prompts/product-photo-perfume-reflection/) · Product photos - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.5 · https://img.promptlineup.com/image/product-photo-perfume-reflection--flux-3--s1-20261008082148-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.8 · https://img.promptlineup.com/image/product-photo-perfume-reflection--luma-uni-1-max--s1-20261014065538-1024.webp ### [Serum bottle on wet slate](https://promptlineup.com/image/prompts/product-photo-serum-bottle/) · Product photos - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/product-photo-serum-bottle--flux-3--s1-20261008081046-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.5 · https://img.promptlineup.com/image/product-photo-serum-bottle--luma-uni-1-max--s1-20261014065735-1024.webp ### [Sneaker flat lay](https://promptlineup.com/image/prompts/product-photo-sneaker-flatlay/) · Product photos - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 3.7 · https://img.promptlineup.com/image/product-photo-sneaker-flatlay--flux-3--s1-20261008082216-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 3.8 · https://img.promptlineup.com/image/product-photo-sneaker-flatlay--luma-uni-1-max--s1-20261014072513u-1024.webp ### [App launch ad with a phone](https://promptlineup.com/image/prompts/social-media-ad-budget-app/) · Social media ads - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/social-media-ad-budget-app--flux-3--s1-20261008082242-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.1 · https://img.promptlineup.com/image/social-media-ad-budget-app--luma-uni-1-max--s1-20261014070059-1024.webp ### [Iced latte promo with a price](https://promptlineup.com/image/prompts/social-media-ad-iced-latte/) · Social media ads - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/social-media-ad-iced-latte--flux-3--s1-20261008082310-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.5 · https://img.promptlineup.com/image/social-media-ad-iced-latte--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Pizza delivery 2-for-1 ad](https://promptlineup.com/image/prompts/social-media-ad-pizza-offer/) · Social media ads - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.4 · https://img.promptlineup.com/image/social-media-ad-pizza-offer--flux-3--s1-20261008082338-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.3 · https://img.promptlineup.com/image/social-media-ad-pizza-offer--luma-uni-1-max--s1-20261014072513u-1024.webp ### [UGC-style skincare selfie](https://promptlineup.com/image/prompts/social-media-ad-skincare-ugc/) · Social media ads - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.0 · https://img.promptlineup.com/image/social-media-ad-skincare-ugc--flux-3--s1-20261008082527-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.0 · https://img.promptlineup.com/image/social-media-ad-skincare-ugc--luma-uni-1-max--s1-20261014072513u-1024.webp ### [Sneaker sale ad with a button](https://promptlineup.com/image/prompts/social-media-ad-sneaker-sale/) · Social media ads - [FLUX 3](https://promptlineup.com/image/models/flux-3/): AI 4.8 · https://img.promptlineup.com/image/social-media-ad-sneaker-sale--flux-3--s1-20261008082554-1024.webp - [Luma Uni-1 Max](https://promptlineup.com/image/models/luma-uni-1-max/): AI 4.5 · https://img.promptlineup.com/image/social-media-ad-sneaker-sale--luma-uni-1-max--s1-20261014070830-1024.webp ## Frequently asked questions ### Is FLUX 3 better than Luma Uni-1 Max? It depends on the use case. FLUX 3 and Luma Uni-1 Max split the 4 use cases we tested: FLUX 3 wins product photos (4.4 vs 4.3) and social media ads (4.5 vs 4.3), Luma Uni-1 Max wins interior & architecture (4.6 vs 4.5) and portraits & people (4.4 vs 4.1). Scores are 1-5 on identical prompts and settings. ### Which is cheaper, FLUX 3 or Luma Uni-1 Max? FLUX 3: $0.024 per image on average vs $0.102 for Luma Uni-1 Max, via the fal.ai API. ### Which is faster, FLUX 3 or Luma Uni-1 Max? FLUX 3: a median 26.3 s from request to finished image vs 81.4 s for Luma Uni-1 Max, queue time included. ### FLUX 3 or Luma Uni-1 Max for interior & architecture? Luma Uni-1 Max scored higher for interior & architecture: 4.6/5 vs 4.5/5, ranking #6 vs #7 of 13 models. ### FLUX 3 or Luma Uni-1 Max for portraits & people? Luma Uni-1 Max scored higher for portraits & people: 4.4/5 vs 4.1/5, ranking #3 vs #8 of 13 models. ### FLUX 3 or Luma Uni-1 Max for product photos? FLUX 3 scored higher for product photos: 4.4/5 vs 4.3/5, ranking #5 vs #6 of 13 models. ### FLUX 3 or Luma Uni-1 Max for social media ads? FLUX 3 scored higher for social media ads: 4.5/5 vs 4.3/5, ranking #3 vs #9 of 13 models. ## Related - [FLUX 3 review](https://promptlineup.com/image/models/flux-3/) - [Luma Uni-1 Max review](https://promptlineup.com/image/models/luma-uni-1-max/) - [All comparisons](https://promptlineup.com/image/compare/)