Stable Diffusion 的價格、免費額度與實際用法

✓ 最後查核：2026-07-27

Stable DiffusionAI-generated images (open-source) — Stability AI

Free Plan Available or Has Free Plan or Free Plan

What Is This

Open-source image generation, free for local use, cloud services charged separately

Free Version Limitations

Open-source model weights are available for free self-hosting (Stability AI Community License, commercial use is allowed if annual revenue is less than US$1 million, and a graphics card is required); the official website also offers a Brand Studio service with 1,000 free trial points.

Available Models And Quantity

Model	Free Quota	Calculate Time Window	Description
Stable Diffusion, Nano Banana, Seedream 等	1000 credits		包含 Core 方案的功能，透過 Curated Model Routing 選擇最佳模型

Free Usage Limit

Features	Free Quota	Description
Curated Model Routing	可用	智慧層會根據使用情境選擇最適合的模型
End-to-end generation and editing	可用	包含 sketch-to-image、inpainting、recoloring 等
Precision Tools	可用	包含 Precision Inpainting、Product Insertion 等
Customer support	可用	包含客服對話與知識庫

Quota Resets At	Cannot be recovered, 1000 credits are used up and the trial ends
Free Version For Commercial Use	Not Available In Free Plan

Common Pitfalls

The free trial only provides 1000 credits, which expire once used and do not reset every month.

查證來源：Stable Diffusion 官網

Pricing Plan Differences

Core (Brand Studio)

適合：Creative professionals who want to have both powerful AI capabilities and precise control

US$50/月

約 NT$1575

5,000 點/月，未用完點數不累積至下月

Which Model	Stable Diffusion, Nano Banana, Seedream 等
Usage Quota	5000 credits per month (non-cumulative)

This Plan Includes

Curated Model Routing
端到端生成與編輯
Precision Tools
客戶支援
使用者 1 人

Not Included

Brand Central 客製化功能
Brand ID Models
Campaigns
Producer Mode
SSO 和專案存取控制

What Sets Us Apart

$50 per month, including 5000 credits, limited to 1 user, without Enterprise advanced customization and multi-user collaboration features

Subscribe On Official Website

Enterprise

適合：A team that needs to produce large-scale content that fits the brand and undergoes deep customization

US$0/月

約 NT$0

客製報價，含品牌模型訓練、SSO、無限席位

Which Model	Stable Diffusion, Nano Banana, Seedream, Brand ID Models
Usage Quota	Customizable credits bundle, with the option to purchase additional credits (expiring annually)

This Plan Includes

Core 方案所有功能
Brand Central 品牌客製中心
Producer Mode 多步驟工作流程
SSO 和專案存取控制
白手套客戶支援
使用者人數無限制
Brand ID Models 品牌專屬客製模型
Campaigns 活動專屬指南

Not Included

固定價格方案

What Sets Us Apart

Contact the team for a custom quote, which offers unlimited users, a dedicated brand model, and advanced collaboration features, suitable for large-scale enterprise use.

Subscribe On Official Website

API 按量付費

US$0/月

約 NT$0

依模型計費：Stable Image Core=3點(US$0.03)/張、Ultra=8點(US$0.08)/張，1點=US$0.01；新API用戶送25點免費（2026-07-26經r.jina.ai代理直讀platform.stability.ai/pricing官網確認，取代先前第三方數字）

Subscribe On Official Website

方案內容查證來源：Stable Diffusion 官網

Similar Options

下面都是跟 Stable Diffusion 同一類的工具，免費額度與收費方式不一樣，可以一起比。

Midjourney AI 生圖

藝術風格生圖霸主,品質天花板

No Free Plan

View Full Description Visit Website

Leonardo AI AI 生圖（遊戲美術）

遊戲美術風生圖,免費額度大方

Free150 Fast Tokens per day, expiring in 24 hours without accumulation or carryover, and only 1 generation task can be executed at a time

View Full Description Visit Website

Ideogram AI 生圖（擅長文字）

文字渲染最強的生圖工具,做海報/標語首選

FreeThe official website ideogram.ai/pricing confirms that it is 10 slow credits/week, which means 10 slow credits per week, not per day, and can generate approximately 40 images/week.

View Full Description Visit Website

Using Information

Developer	Stability AI
Category	Image generation
Platform	網頁
Chinese Support	不支援
Official Link	前往 Stable Diffusion 官網 →

Notes

行動裝置(iOS/App/平板)支援情況尚待逐一核實，目前僅列網頁版。

View Change History

2026-07-27 (官網 stability.ai/brand-studio-plans 直接WebFetch成功，platform.stability.ai/pricing經r.jina.ai代理成功) Core $50/月/5,000點(不跨月)、Enterprise客製、1,000點免費試用、API按量定價(Core 3點/$0.03、Ultra 8點/$0.08、1點=$0.01、新用戶25點免費)皆無變動。

2026-07-27 (官網stability.ai/brand-studio-plans直接WebFetch成功，platform.stability.ai/pricing經r.jina.ai代理成功) Core $50/月5,000點、Enterprise客製、API按量定價(Core 3點/張、Ultra 8點/張、新用戶送25點)皆無變動。

2026-07-27 (官網stability.ai/brand-studio-plans直接WebFetch成功) Core $50/月/5,000點(不跨月)、Enterprise客製、1,000點免費試用皆無變動；platform.stability.ai/pricing本次為JS空頁無法直接讀出API按量費率文字，維持既有記錄不變。

2026-07-27 (官網 stability.ai/brand-studio-plans 直接WebFetch成功 + r.jina.ai代理讀取platform.stability.ai/pricing成功) Brand Studio(Trial免費1,000點/Core $50/月5,000點/Enterprise客製)與API按量定價(Core 3點/Ultra 8點/1點=$0.01/新用戶25點免費)皆無變動。

2026-07-27 (官網 stability.ai/brand-studio-plans 直接WebFetch成功) Core $50/月/5,000點(不跨月)、Enterprise客製、1,000點免費試用、API按量定價(Core 3點/$0.03、Ultra 8點/$0.08、1點=$0.01、新用戶25點免費)皆無變動，另查得SD3.5系列費率(Large 6.5點/Turbo 4點/Medium 3.5點/Flash 2.5點)供補充參考，非變動項目。

2026-07-27 (官網stability.ai/brand-studio-plans直接WebFetch成功，platform.stability.ai/pricing經r.jina.ai代理成功) Core $50/月/5,000點、Enterprise客製、1,000點免費試用、API按量定價(Core 3點/Ultra 8點/1點=$0.01/新用戶25點免費)皆無變動，無促銷。

2026-07-27 (官網stability.ai/brand-studio-plans直接WebFetch成功) Core(Brand Studio) $50、Enterprise客製皆無變動，Trial免費1,000點試用皆無變動，無促銷。

2026-07-26 11:02:57 (官網 stability.ai/brand-studio-plans 直接WebFetch + platform.stability.ai/pricing經r.jina.ai代理成功直讀) Core $50/月/5,000點、Enterprise客製、1,000點免費試用皆無變動；API按量價格首次由官網代理直接確認(Stable Image Core=3點/US$0.03張、Ultra=8點/US$0.08張、1點=US$0.01)，取代先前第三方數字，移除待覆核標註。

2026-07-26 (官網 stability.ai/brand-studio-plans 直接查核) Core $50/月/5,000點(不跨月)、Enterprise客製皆無變動，確認1,000點免費試用；platform.stability.ai/pricing仍為JS空頁，API按量價格(Core~$0.03/張、Ultra~$0.08/張)僅能以第二手來源確認，維持原資料並註記待覆核。

2026-07-26 (官網 stability.ai/brand-studio-plans 直接查核) Core $50/月/5,000點、Enterprise客製、1,000點免費試用皆無變動；platform.stability.ai/pricing再次確認為JS空頁，API按量價格維持第二手來源、待覆核之標註。

2026-07-26 (官網 platform.stability.ai/pricing、stability.ai/brand-studio-plans 經r.jina.ai代理直讀成功) Core $50/月/5,000點、Enterprise客製、API按量定價(Stable Image Core 3點/Ultra 8點、1點=US$0.01、新用戶25點免費)皆無變動。

2026-07-25 初次建檔

2026-07-25 官網已將主力商業頁面轉為「Brand Studio」訂閱制(Free試用1,000點、Core US$50/月5,000點、Enterprise客製)，與原資料僅描述「各雲端平台按量」的說法已有結構性落差，開源自架仍維持免費；billing_model 由 usage 調整為 credits。

2026-07-25 (官網 stability.ai/brand-studio-plans) 與3小時前查證結果相符，無變動。

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