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IOPaint vs Stable Diffusion

An open-source image editing tool (formerly Lama Cleaner) that removes objects, people, text and watermarks from photos using AI inpainting — and can replace or expand parts of an image. Runs locally, free and private.

🧠 Expert verdict

Our expert verdict: IOPaint and Stable Diffusion are very evenly matched at 4.5/5, so the right pick comes down to your priorities, and it stands out for "Remove objects, people & watermarks". Choose IOPaint if you want the best image tool overall, especially for object & watermark removal; pick Stable Diffusion if "Free & open-source" matters more for your workflow.

IOPaint

An open-source image editing tool (formerly Lama Cleaner) that removes objects, people, text and watermarks from photos using AI inpainting — and can replace or expand parts of an image. Runs locally, free and private.

Visit IOPaint

Stable Diffusion

Open-source text-to-image model enabling fine-tuned customizable image generation locally or in the cloud.

Visit Stable Diffusion
CriteriaIOPaintStable Diffusion
Rating
4.5/5
4.5/5
Pricing
Free / Open Source
Free (open source)
Category
image
image
Popularity
👍 Medium
📈 High
Value for Money
⭐⭐⭐ Excellent
⭐⭐⭐ Excellent
📅 Release Date
2022
Aug 2022
🔄 Last Update
Aug 2026
2026
Company
IOPaint
Stability AI
Founded
2022
2021
API Access
No
Yes
Mobile App
No
No

IOPaint

Pros

  • +Remove objects, people & watermarks
  • +AI inpainting & outpainting
  • +Runs locally & free
  • +Open source
  • +Simple browser UI

Cons

  • Needs a GPU for best speed
  • Local install required
  • Fewer features than Photoshop AI
  • Results vary by image

Stable Diffusion

Pros

  • +Free & open-source
  • +Can run locally for full privacy
  • +Huge ecosystem of custom models (LoRAs/checkpoints)
  • +Full control over generation parameters
  • +Active research community

Cons

  • Requires technical setup for local use
  • Output quality depends on the chosen model
  • Steeper learning curve for beginners

🎯 Best forIOPaint

Object & watermark removalPhoto cleanupInpainting & outpaintingPrivate local editing

🎯 Best forStable Diffusion

Custom-trained art stylesPrivate/offline image generationGame asset pipelinesResearch & experimentationBatch image generation

🏷️ TagsIOPaint

Open SourceImage EditingInpaintingWatermark Removal

🏷️ TagsStable Diffusion

ImageOpen-SourceSelf-hostedText-to-Image

Our Verdict

IOPaint and Stable Diffusion are equally matched — your choice depends on your specific use case and budget.

Expert take on each tool

📌 IOPaint

IOPaint (formerly Lama Cleaner) is the go-to open-source image cleanup tool: remove objects, people and watermarks or expand images with AI inpainting, all locally and free. A private, no-subscription alternative to paid photo editors.

📌 Stable Diffusion

Stable Diffusion is the best choice for technical users who want full control, privacy, and zero licensing costs through self-hosting or open-source models.

Frequently Asked Questions

Which is better: IOPaint or Stable Diffusion?

IOPaint and Stable Diffusion are rated equally (4.5/5), so the better choice depends on your specific use case, pricing preference, and feature needs — see the full comparison above for details.

Is IOPaint or Stable Diffusion cheaper?

IOPaint (Free / Open Source) and Stable Diffusion (Free (open source)) sit at a similar price point. The best way to compare actual cost is to check each tool's plans for the specific features and usage limits you need.

Can I switch from IOPaint to Stable Diffusion?

Yes — switching between IOPaint and Stable Diffusion is usually straightforward since both are image tools with similar core workflows. Most users can export their data and get started with Stable Diffusion within a day; just check Stable Diffusion's free plan before committing to a paid tier.