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Stable Diffusion

by Stability AI

15M / mo
Free / $19/mo
Try Stable Diffusion (opens in a new tab)

Stable Diffusion is Stability AI's open-source image generation model, and the one most responsible for kicking off the whole generative-image ecosystem back in 2022. Because the weights are freely available, it spawned an entire industry around it: fine-tuned checkpoints on Civitai, ControlNet for pose and composition control, and local tools like Automatic1111 and ComfyUI for running it on consumer GPUs. Newer models like FLUX now beat it on raw quality, but it's still the model most people learn image generation on, and the one with by far the largest library of community fine-tunes.

Stable Diffusion features and capabilities, including which plan they need and how they compare in the CanIUse matrix.

stability-aiAdded 2026-07-17Catalog rank 8

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Compare Stable Diffusion with:

🖌️ Canva Magic Studio🎨 Figma🎨 Midjourney✨ Adobe Express🔥 Adobe Firefly🖼️ Photoroom🔤 Ideogram✏️ Recraft⬛ FLUX🖼️ Leonardo.Ai🎨 Krea📢 AdCreative.ai
Looking for a free alternative to Stable Diffusion? →

Directory alternatives

FLUXOpen-weight image generation model from Black Forest LabsAdded 2026-07-17image_generationcreativetext_to_imagevisual#9FreeMatrixMidjourneyAI image generator for creating artistic and realistic imagesAdded 2025-09-21designimage_editingcreativevisual#8PaidMatrixDALL-E 3OpenAI's text-to-image model inside ChatGPTAdded 2025-01-01image_generationcreativetext_to_imagevisual#5FreemiumGPT ImageOpenAI's native image generation model built into ChatGPT and the APIAdded 2026-07-17image_generationcreativetext_to_imagevisual#5FreemiumIdeogramAI image generator with best-in-class text renderingAdded 2025-01-01image_generationcreativetext_to_imagevisual#9FreemiumMatrixCivitaiCommunity hub for Stable Diffusion models, LoRAs, and AI artAdded 2025-09-21image_generationcreativetext_to_imagevisual#8FreemiumLeonardo AIProfessional AI image generation for game assets and creative workAdded 2025-01-01image_generationcreativetext_to_imagevisual#8FreemiumMatrixArtbreederCollaborative AI art creation through image blendingAdded 2025-09-21image_generationcreativetext_to_imagevisual#8Freemium

✨ Modalities

💬
Text Input
Yes, requires free plan. Text prompts drive SD 3.5 and the Stable Image generate APIs.
🖼️
Image Upload / Vision
Yes, requires plus plan. Edit, Control, inpainting, and image-to-image APIs take uploaded images.
🎨
Image Generation
Yes, requires free plan. Core product: SD 3.5 Large/Turbo/Medium locally, plus hosted Brand Studio and API.
🎙️
Voice Mode
No. Not a conversational voice product.
🎥
Video Understanding
No. This listing is the image family, not a video Q&A product.
🎬
Video Generation
No. Not a video generation product.
📁
File Upload (PDF, DOCX)
No. Inputs are prompts and images, not PDF/DOCX.
💻
Code Execution
No. You run inference; the model does not execute your Python.
🔊
Audio Input
No. No audio-file input is documented for Stable Image.
🖌️
Canvas / Artifact Editor
Partial. Brand Studio is an edit workspace (inpaint, sketch-to-image). Not a chat canvas.
🖥️
Screen Sharing / Computer Use
No. No computer-use product.

🧠 Memory & Context

🧠
Persistent Memory
No. Each generation is a job. Brand ID models are weights, not chat memory.
📏
Large Context Window
No. Not an LLM context-window product.
⚙️
Custom Instructions
Partial. Brand Studio Campaigns and Brand ID models steer style. That is not a global chat system prompt.
📜
Conversation History
No. Not a chat-history product.

🔌 Integrations

🌐
Web Search / Browsing
No. Does not browse the live web.
🔌
Plugins / Extensions
Partial. ComfyUI, Replicate, Fireworks, and DeepInfra are documented hosts. That is not a Stability plugin store.
🔧
API Access
Yes, requires plus plan. Stable Image REST APIs (generate, upscale, edit, control) on platform.stability.ai. Trial credits, then paid.
⚡
Zapier Integration
Unknown. No first-party Zapier app was checked.
🤖
Custom GPTs / Bots
No. No Custom GPT store. Fine-tunes are weights.
👥
Real-time Collaboration
No. No multiplayer editor is documented.
🐦
Live Social Data Integration
No. No live social firehose.
📚
Live Citation Mapping
No. Not a cited-search product.

👨‍💻 Developer

🛠️
Function Calling
No. You POST an image job. No tool-calling chat.
⚡
Streaming Responses
No. REST v2beta supports polling for async jobs, not token streaming.
🎛️
Fine-Tuning
Yes, requires free plan. SD 3.5 is marketed as customizable (fine-tunes/LoRA). Brand Studio adds Brand ID models on Enterprise.
📐
Embeddings API
No. Not an embeddings API.
📋
Structured Output (JSON)
No. Output is an image, not JSON schema.
🧩
Reasoning / Thinking Mode
No. Not an LLM reasoning mode.
🏠
Local Execution
Yes, requires free plan. Weights and inference code are on Hugging Face/GitHub. SD 3.5 Medium is documented at ~9.9 GB VRAM.
🔓
Open Weights
Yes, requires free plan. SD 3.5 Large/Turbo/Medium are an open release under the Stability AI Community License.
🤖
Multi-Agent Orchestration
No. Not a multi-agent orchestrator.

📱 Platforms

🌐
Web App
Yes, requires free plan. Brand Studio and Stable Assistant are documented web apps. First 1000 Brand Studio credits are a trial.
📱
iOS App
No. No official iOS app is documented on the product pages checked.
🤖
Android App
No. No official Android app is documented on the product pages checked.
🖥️
Desktop App
No. Self-host is your own stack (ComfyUI etc.), not a Stability desktop app.
🔵
Chrome Extension
No. No official Chrome extension.

🔒 Privacy

🔒
GDPR Compliant
Unknown. Needs a current Stability DPA read.
🚫
Opt Out of Data Training
Unknown. Training use of API prompts was not checked on a privacy policy this round.
🏢
Enterprise Privacy Mode
Yes, requires enterprise plan. Enterprise API plans list on-prem/self-host, SLAs, and verified-customer safety. Brand Studio Enterprise adds SSO.

💼 Workspaces

📂
Projects / Folders
Partial. Brand Studio Enterprise lists project access controls. Not a notebook product.