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Stable Diffusion free tier: quotas, limits and gotchas

Stable Diffusion Free Tier

Last verified: 2026-07-25 20:24:00

How Amo and Pimi look

AMO Amo Finding faults
Chinese support is none — the interface and docs are entirely in English, which already costs it points with a lot of Taiwan users. Running it locally requires your own GPU — without one you're basically locked out, Pimi, you can't say that's not a barrier. The Community License only allows commercial use if annual revenue is under US$1 million — go over that and you have to negotiate a license, it's not free forever. Brand Studio Core at US$50/month gives 5,000 points that don't carry over if unused — meaning they reset to zero every month. New API users only get 25 free points — a single Ultra image costs 8 points, so three images and they're gone. Not exactly generous.
PIMI Pimi Advantages
Amo, sure, those barriers you mentioned are real, but free open-source is its killer move! You can self-host the model weights for free, zero cost, no worrying about the vendor going under or raising prices — that kind of peace of mind is something other tools just can't give you. API pay-as-you-go pricing is super transparent: Core is US$0.03 per image, Ultra is US$0.08, no hidden fees. Brand Studio even gives you 1,000 free trial credits, plenty to verify quality, and Enterprise includes brand model training and SSO, so enterprise needs are covered too. Running fully offline locally maximizes privacy — isn't all that enough to win you over?
So, do you need to pay or not?

Have a GPU, want privacy, don't want a monthly fee: self-hosting locally costs nothing. No GPU but want to try: Brand Studio's 1,000 free points let you play around first. Pay-as-you-go API suits developers, but be prepared — the 25-point free quota disappears after just three images.

Models and quotas

ModelQuotaWindowNotes
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

What you get for free

FeatureFree tierNotes
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

Limits at a glance

Watch out for this

免費試用僅提供 1000 credits,用完就結束,不會每個月恢復。

AMO PIMI They also argued about these things on another page.

When the free quota is insufficient, how much does it cost to pay for it?

PlanpricingDescription
Core (Brand Studio)US$50 / mo5,000 點/月,未用完點數不累積至下月
Enterprise官方報價(洽詢)客製報價,含品牌模型訓練、SSO、無限席位
API 按量付費官方報價(洽詢)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)

Checked 2026-08-16

Information for Taiwanese users

Try it on the official site

Related

Sources: Stable Diffusion 官網

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