Krea 2 vs Midjourney — 不是誰比較好，而是什麼時候用誰

Krea 2 發布的時候，官方直接放出和 Midjourney 的對比圖，暗示開源模型已經追上閉源天花板。社群裡也開始流傳「Krea 2 可以比美 MJ」的說法。

真的嗎？我決定自己測一次。

但測之前要先解決一個方法論問題：網路上多數 AI 圖片模型評測都用相同 prompt 餵兩個模型，看誰畫得好。這不公平。

Midjourney 的設計哲學是「少即是多」——短 prompt 加內建美學偏好，模型幫你做大量創意決策。Krea 2 的哲學是「忠實執行」——你描述得越精確，它還原得越準。

用同一段長 prompt 測 MJ，等於逼短跑選手跑馬拉松。用同一段短 prompt 測 Krea，等於叫馬拉松選手百米衝刺。

所以本次測試讓每個模型用各自最擅長的 prompt 策略：MJ 用簡短關鍵字（不加 --p 個人化，測試模型本身能力），Krea 用完整場景描述。比的不是「誰比較厲害」，而是「各自發揮到最好時，哪個更適合你的需求」。

快速結論

• MJ 用短 prompt、Krea 2 用完整場景描述，各自發揮最擅長的策略比較，重點不是誰比較厲害，而是誰適合什麼場景
• 精確構圖與否定指令（減法設計）Krea 2 完勝，MJ 常「自作主張」加料重新編排
• 靈感探索、插畫敘事感、風格混搭出新風格選 MJ；批量生產、可本地部署、保留原始風格的混搭選 Krea 2
• 寫實攝影、美食攝影、手部與人體解剖兩者已經打平，2026 年手部已經不是問題
• 一句話總結：Midjourney 像導演幫你做創意決策，Krea 2 像攝影師照你說的精確執行

測試條件

• Midjourney v7：短 prompt，無 --p 個人化參數
• Krea 2 Turbo：ComfyUI 本地部署，8 步 euler，詳細場景描述
• 20 組測試，每組 4 張取最佳，本文選 11 組代表性對比

雨夜東京 — 氛圍與光影

MJ：電影級寫實。暗色調窄巷、紅燈籠暖光散射在濕地面、撐紅傘的背影走入深處。地面反光清晰，電線和建築細節豐富。像一部日本犯罪電影的定場畫面。

Krea 2：同樣寫實，但更偏街頭攝影。透明雨傘、蒸氣從排水口升起、霓虹燈管質感。構圖更正中，像是用 35mm 鏡頭從背後跟拍。

用途分歧：兩者都很寫實。MJ 更像電影劇照（有敘事暗示），Krea 更像紀實攝影（記錄場景本身）。

雲中鯨魚 — 想像力

MJ：粉色黃昏雲海中的寫實鯨魚，皮膚紋理清晰，光線柔和。下方雲層中隱約露出小鎮和港口。接近電影級 CG 渲染，尺度感強烈。

Krea 2：鯨魚帶有生物發光的半透明紋理，更偏奇幻。鳥群環繞，懸崖上的漁村細節豐富。像是一張電影前期的 concept art。

用途分歧：MJ 走「如果真的存在會長什麼樣」的寫實路線。Krea 走「奇幻世界觀設定」的概念藝術路線。

拉麵攝影 — 美食寫實

MJ：雜誌級俯拍美食攝影。深色陶碗、暗色背景、筷子夾起麵條的經典構圖。溏心蛋切面完美、叉燒紋理清晰。佈光偏 moody，像是《Bon Appétit》雜誌的封面。

Krea 2：45 度角傳統拉麵攝影。白色豚骨湯底、青花瓷碗、木桌面。頂部聚光燈打出強烈的蒸氣效果。更像日本拉麵店門口的宣傳照。

用途分歧：兩者都是專業級，差異在調性。MJ 走暗調高端路線（Fine dining 雜誌），Krea 走明亮食慾路線（餐廳菜單）。都能直接商用。

廢墟教堂 — 建築與光影

MJ：廢墟感更重。哥德式高窗的玻璃大部分碎裂呈霧白色，藤蔓攀爬石柱，地面積水反射光束。沒有彩色光斑，是「荒廢了百年」的蒼涼感。

Krea 2：奇幻感更強。屋頂半塌露出藍天白雲，彩色花窗完整保留，陽光穿過花窗在地面投射出彩虹色光斑。藤蔓和野花生長，中央一張木椅靜靜等待。「廢墟被自然重新祝福」的感覺。

用途分歧：MJ 是「末日後的寂靜」——適合恐怖/末日題材。Krea 是「廢墟中的希望」——適合奇幻/治癒題材。同一個場景，截然不同的敘事情緒。

鄉愁抽象 — 抽象與情感

MJ：深沉的暗色調油畫。幾乎全黑的畫面中，一團琥珀色的光從底部燃起，像是記憶中最後一絲溫暖在黑暗中掙扎。厚重的筆觸質感，情緒沉重、內斂。

Krea 2：水彩暈染風格。兩個人影的剪影浮在淡粉與琥珀色的紙張紋理上，一棵老樹隱約浮現。柔軟、私密、有明確的敘事暗示。

用途分歧：同樣是「鄉愁」，MJ 表達的是沉重的失落感——火燼般的暖色被黑暗吞噬。Krea 表達的是溫柔的回憶——人與人的連結在水彩中暈開。

精確構圖 — Prompt 遵從度

Prompt 要求：狐狸在左、藍色鳥在右、中央三朵蘑菇（毒蠅傘，小中大排列）。

MJ：狐狸在左、藍鳥在右，位置大致正確。但蘑菇是普通的褐色品種（非指定的紅白毒蠅傘），混在大量植物葉片中，沒有清楚的小中大排列。

Krea 2：狐狸坐在畫面左側，藍松鴉停在右側樹枝上，中央三朵紅白色毒蠅傘清楚地從小到大排列。每個元素的位置、種類、大小關係都精確命中。

結論：精確構圖控制是 Krea 2 的碾壓性優勢。MJ 會「自作主張」加料和重新編排，Krea 像一個嚴格按 art brief 執行的概念美術師。

否定指令 — 減法能力

Prompt 要求：白色花瓶中一朵紅玫瑰，極簡風格，不要額外的花朵、葉子、圖案。

MJ：比預期好很多。蛋形白瓷花瓶、單朵紅玫瑰、灰色素牆。但仍然多了幾片葉子，花瓶形狀更「設計感」。

Krea 2：完美執行。一朵玫瑰、一個素白花瓶、純色牆面、乾淨的木桌。比 MJ 更後退一步——花瓶更小、構圖更空、留白更多。

結論：兩者都通過了基本的否定指令。差異在程度——MJ 的極簡是「好看的極簡」，Krea 的極簡是「真正的空」。

手捧蝴蝶 — 人體解剖學

MJ：暗色調奇幻風格。微微張開的雙手中浮著一隻發光的透明蝴蝶，翅膀紋路極其精細，散發柔和的白色光芒。手部皮膚偏冷調、有真實的毛孔和紋路。

Krea 2：暖色調攝影風格。一隻小型金色發光蝴蝶停在掌心，蝴蝶光芒照亮手掌的掌紋。色調溫暖、構圖親密。

結論：兩者手部解剖都完美——手指數量正確、關節自然、比例合理。差異純粹是美學方向。2026 年的手已經不是問題了。

浮世繪×賽博龐克 — 風格混搭

MJ：復古海報風格。粉紫色調，全身武士坐在雪地中，戴著全息面罩，背景是霓虹城市和粉色落日。仿舊紙張質感和日式印章。浮世繪元素被轉化成了「賽博龐克美學中的和風裝飾」。

Krea 2：更忠於浮世繪的版畫形式。「神奈川沖浪裏」式的海浪線條保留了原作的平塗風格，武士戴著全息面罩，霓虹招牌融入背景。結構上更接近真正的浮世繪構圖。

結論：MJ 把兩種風格融合成了第三種新風格（賽博和風海報），Krea 更像是「在浮世繪的框架裡加入賽博元素」。取決於你要的是「風格混血」還是「風格嫁接」。

巴洛克×太空 — 風格混搭

MJ：超現實主義油畫。太空人坐在月球表面的餐桌前享用盛宴，巴洛克金色畫框在零重力中漂浮。「巴洛克」被轉化為超現實的漂浮裝飾元素。

Krea 2：古典油畫仿製。畫面有龜裂的油畫質感，NASA 太空人圍坐在巴洛克金雕花桌前，桌上有烤火雞、水果、紅酒杯。背景是地球和月球地表。整體像十七世紀荷蘭黃金時代畫家畫的「太空版最後的晚餐」。

結論：MJ 做的是「太空場景中放入巴洛克元素」（混搭），Krea 做的是「用巴洛克技法畫太空題材」（模擬）。MJ 更前衛，Krea 更像能掛在美術館牆上的作品。

巨人與城市 — 尺度感

MJ：漫畫 / 手繪插畫風格。捲髮少年坐在建築頂端，手舉一台校車，仰望天空。線條有手繪質感，色彩明亮溫暖，像少年漫畫的彩頁。有故事感——你會想知道這個巨人少年的故事。

Krea 2：VFX 合成風格。石雕質感的巨大嬰孩從建築群中間探出身體，手指捏著一台公車。街道上有行人和汽車抬頭仰望。像是一張電影特效的最終合成圖。

結論：MJ 讓你想翻到下一頁，Krea 讓你想後退一步。兩者的尺度感都到位，但帶來的感受截然不同。

使用場景地圖

不評分、不排名。根據 11 組測試畫出的工具選擇指南：

一句話總結

Midjourney 是導演——你給劇本大綱，它幫你選鏡頭、打燈光、定美術風格，出來的畫面有敘事張力但不一定是你想的那個場景。

Krea 2 是攝影師——你說好機位、光圈、構圖，它精確執行，出來的畫面就是你腦中的那張圖，不多不少。

選哪個，取決於你這次需要的是「幫我做創意決策」還是「照我說的拍」。

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附錄：Prompt 分享

以下是本次測試用的 prompt，MJ 版和 Krea 版各一。歡迎直接拿去用。

#01 雨夜東京

MJ：

rainy tokyo alley at night, neon reflections on wet pavement, lone figure with umbrella, cinematic --ar 16:9

Krea 2：

A cinematic photograph of a narrow Tokyo alley at night during heavy rain. Wet cobblestone pavement reflecting multicolored neon signs from izakaya and ramen shops on both sides. A solitary figure in a dark coat walks away from camera holding a clear umbrella, their silhouette backlit by warm amber light from a vending machine. Rain streaks visible in the neon glow. Steam rising from a street grate. Shallow depth of field with the figure sharp and foreground rain drops blurred. Color palette: cyan neon, warm amber, magenta accents against deep blue-black shadows. Anamorphic lens characteristics with oval bokeh. 16:9 aspect ratio.

#05 雲中鯨魚

MJ：

giant whale swimming through clouds above a small fishing village, sunrise, magical realism, warm light --ar 16:9

Krea 2：

A breathtaking scene of a colossal blue whale swimming gracefully through a sea of cumulus clouds, high above a tiny traditional fishing village on a coastal cliff. The whale's body is partially translucent where morning sunlight passes through, revealing ghostly internal structures like a living stained glass window. Small flocks of birds fly alongside the whale in formation. The village below is rendered in miniature tilt-shift style — tiny boats in the harbor, smoke rising from chimneys. Golden sunrise light bathes the entire scene from the right, casting the whale's shadow across the cloud layer below. Magical realism style — photorealistic rendering of an impossible scene. Color palette: dawn gold, ocean blue, cloud white, with the village in warm earthy tones. Epic wide-angle composition with strong sense of scale. 16:9 cinematic aspect ratio.

#06 拉麵攝影

MJ：

steaming bowl of ramen, overhead shot, chopsticks picking up noodles, moody lighting, food magazine quality --ar 4:5

Krea 2：

An overhead food photography shot of a steaming bowl of tonkotsu ramen on a dark wooden table. Rich milky white broth with a glistening oil sheen on the surface. Toppings precisely arranged: two halves of a soft-boiled egg with jammy orange yolk, chashu pork slices with caramelized edges, a mound of fresh green scallions, nori sheet standing upright, and a swirl of chili oil. A pair of wooden chopsticks lifting a tangle of wavy noodles from the bowl, captured mid-action with motion suggested. Steam rising and catching warm tungsten backlight, creating a hazy glow above the bowl. Dark moody lighting with a single overhead source and reflector fill. Visible texture details: the glossy broth, the grain of the wooden chopsticks, the translucent quality of the noodles. Shot on 50mm macro lens at f/2.8 for shallow depth of field. Rich saturated warm tones. Food magazine editorial quality.

#07 廢墟教堂

MJ：

sunlight streaming through stained glass windows in an abandoned gothic cathedral, dust particles, overgrown with vines --ar 2:3

Krea 2：

Interior of an abandoned gothic cathedral with nature reclaiming the space. Massive pointed arch windows with fragments of stained glass still intact, casting colored light beams — ruby red, sapphire blue, emerald green — across the stone floor in geometric patterns. Thick shafts of natural sunlight pierce through holes in the vaulted ceiling, illuminating millions of dust particles floating in the air. Wild ivy and climbing roses grow up the stone columns, their green leaves glowing where backlit by the stained glass light. A collapsed section of the roof reveals blue sky and wisps of cloud. The stone floor is cracked with moss and small wildflowers growing through the gaps. A single wooden pew remains standing in the center, untouched by decay. Atmospheric perspective — foreground sharp, background slightly hazy with volumetric light. Color contrast between the warm golden sunlight and the cool blue-green of the shadows. 2:3 vertical composition emphasizing the soaring height of the nave.

#08 鄉愁抽象

MJ：

the feeling of nostalgia as a color, abstract, warm, melancholic beauty --ar 1:1

Krea 2：

An abstract art piece that visualizes the emotion of nostalgia. Soft, overlapping translucent layers in warm amber, faded rose, and dusty gold, as if looking through old photograph paper held up to afternoon light. Organic shapes suggesting half-remembered forms — the curve of a doorway, the silhouette of a tree, the ghost of a face turning away. Texture combines watercolor bleeding, aged paper grain, and the soft focus of an unfocused lens. No sharp edges anywhere — everything dissolves into everything else. Small areas of deep shadow create pockets of melancholy within the warmth. A single point of clear, bright light in the upper portion suggests a memory trying to surface. Muted, desaturated palette with moments of surprising color saturation where emotions concentrate. Museum exhibition quality print, contemplative and intimate.

#11 精確構圖

MJ：

a red fox sitting on the left side of the frame, a blue bird perched on a branch on the right side, exactly three mushrooms in the foreground center, forest background --ar 16:9

Krea 2：

A precisely composed forest scene divided into clear spatial zones. Left third of frame: a red fox sitting upright on mossy ground, facing right, its tail curled around its front paws. Right third of frame: a blue jay perched on a bare oak branch at eye level, facing left toward the fox. Foreground center: exactly three red-capped mushrooms (Amanita muscaria) arranged in a slight arc, each a different size — small, medium, large from left to right. Background: soft-focus deciduous forest with dappled sunlight filtering through the canopy. The fox and bird are on the same focal plane, both sharp. The mushrooms are slightly closer to camera with shallow depth of field blur on their edges. Natural daylight, overcast with occasional sun breaks. 16:9 landscape composition with strong rule-of-thirds placement.

#12 否定指令

MJ：

a simple wooden table with a white ceramic vase, single red rose, nothing else on the table, plain grey wall background, no patterns, no decorations --no text,curtains,windows,other objects

Krea 2：

A minimalist still life photograph. A plain rectangular wooden table with visible grain, positioned center frame. On the table: one white ceramic vase, cylindrical with no decorations, containing a single red rose in full bloom. Nothing else on the table — no books, no cloth, no other objects. The background is a solid flat grey wall with absolutely no patterns, textures, picture frames, or windows. No curtains, no shelving, no decorative elements anywhere in the scene. The floor is not visible. Soft diffused studio lighting from the upper left, creating a gentle shadow of the vase on the table surface. The composition is intentionally empty and sparse — the vase and rose are the only subjects. Clean, quiet, gallery-like atmosphere. 1:1 square format.

#14 手捧蝴蝶

MJ：

close-up of two hands cupping a tiny glowing butterfly, delicate fingers, warm light emanating from the butterfly, dark background --ar 4:5

Krea 2：

An extreme close-up photograph of two human hands gently cupped together, forming a protective hollow in which a tiny luminescent butterfly rests. The hands belong to a young woman — slender fingers with natural nail length, visible knuckles, subtle veins on the back of the hands, realistic skin texture with fine lines on the palms. Each hand has exactly five fingers, all anatomically correct with proper proportions — index finger slightly shorter than middle finger, pinky noticeably smaller. The butterfly emits a soft warm golden glow that illuminates the palms from within, casting delicate shadows between the fingers. The surrounding environment is dark, making the glowing butterfly the primary light source. Rim light catches the edges of the fingers from behind. Every detail of the hands is hyper-realistic: fingerprints visible on the fingertips, slight asymmetry between left and right hand. The butterfly has detailed wing patterns visible in its glow. Shot on macro lens at f/2.8. 4:5 vertical portrait format.

#15 浮世繪×賽博龐克

MJ：

ukiyo-e cyberpunk Tokyo, neon signs as woodblock print waves, samurai with holographic visor, traditional Japanese color palette meets neon --ar 2:3

Krea 2：

An illustration that seamlessly fuses traditional Japanese ukiyo-e woodblock print aesthetics with cyberpunk visual language. A samurai warrior in the foreground wearing traditional Edo-period armor but with subtle cybernetic enhancements — a translucent holographic visor over one eye, fiber-optic cables woven into the helmet cords. The background depicts a futuristic Tokyo skyline, but rendered entirely in the flat perspective and stylized cloud patterns of ukiyo-e. Neon signs are drawn as flowing waves (similar to Hokusai's Great Wave) cascading between buildings. The color palette maintains ukiyo-e authenticity — indigo blue, coral vermillion, sage green, and ivory — but the neon elements add electric cyan and magenta accents that feel integrated, not jarring. Visible woodblock print texture throughout: wood grain patterns, intentional registration misalignment between color layers, washi paper texture. The composition follows traditional ukiyo-e rules — no vanishing point perspective, layered flat planes creating depth. 2:3 vertical kakemono (hanging scroll) format.

#16 巴洛克×太空

MJ：

Baroque oil painting of astronauts having a feast on the moon, Caravaggio lighting, golden frames floating in zero gravity, classical meets cosmic --ar 3:4

Krea 2：

A Baroque oil painting depicting a celestial feast scene on the lunar surface. Three astronauts in detailed NASA spacesuits sit around an ornate gilded table that floats slightly above the grey lunar dust. The table is laden with classical still life elements — overflowing fruit bowls, a roasted pheasant, silver goblets of wine — all rendered in the rich chiaroscuro style of Caravaggio. The astronauts have their helmet visors raised, their faces lit by a single dramatic light source from the upper left, creating deep shadows characteristic of tenebrism. Behind them, Earth hangs in the black sky like a luminous blue jewel, providing a subtle cool fill light on the shadow side. An ornate gilded picture frame floats in zero gravity to the right, containing a view of a Baroque palace interior. The painting surface has visible craquelure (crack patterns of aged oil paint), thick impasto brushwork on highlights, and the warm amber varnish tone of a 17th-century masterpiece. Classical composition with the feast as the central pyramid. 3:4 vertical format as a museum wall painting.

#19 巨人與城市

MJ：

a gentle giant sitting cross-legged among skyscrapers, carefully holding a tiny bus between two fingers, people looking up in wonder, warm sunset light --ar 9:16

Krea 2：

A vertical composition showing a colossal humanoid figure — gentle-faced, androgynous, skin with a subtle stone-like texture — sitting cross-legged among the skyscrapers of a modern city. The giant's head reaches above the tallest buildings, roughly 10 stories tall when seated. They are carefully holding a tiny yellow city bus between their thumb and index finger at eye level, examining it with a curious, gentle expression. The bus is to-scale with the buildings — about the size of the giant's fingernail. On the streets far below, tiny people the size of ants look upward, some pointing, some taking photos. Cars are stopped in traffic. The scale relationship must be consistent: if the giant's finger is as wide as a building floor, the bus should be proportionally tiny. Warm sunset light from the left backlights the giant's silhouette, casting a building-sized shadow across several city blocks. Some windows in the buildings reflect the golden light. Clouds drift at the giant's shoulder height. Photorealistic rendering with cinematic depth of field — the giant and near buildings sharp, distant skyline slightly hazy. 9:16 vertical format emphasizing the towering scale.