Criterion Krea AIStable Diffusion (Stability AI)
CategoryAI Image GeneratorsAI Image Generators
In one sentenceReal-time image and video generation with in-browser editing, upscaling and trained LoRA styles.Stability AI's open-weight image models, also available through a credit-based API.
Problem it solvesIterating on AI images usually means prompt, wait, regenerate. Real-time canvas editing cuts that loop down.Teams that need control, privacy or customisation cannot always use closed cloud generators; Stable Diffusion can be self-hosted and fine-tuned.
Free planYesYes
Developer APIYes — docsYes — docs
Open sourceNoNo
PlatformswebWindows, Linux, macOS (local), API
Pricing (summary)Free plan with 100 units/day. Monthly: Basic $9, Pro $35, Max $105, Business $200 (annual billing shown at 40% off: $5.25/$21/$63/$160 per month).
Checked 2026-10-28		Model weights are free under the Stability Community Licence for individuals and organisations under $1M annual revenue; larger companies need a custom Enterprise licence. The hosted API is pay-as-you-go at $0.01 per credit with a small starter credit grant.
Checked 2026-10-23
Strengths
  • Real-time feedback shortens iteration
  • Multiple models in one place
  • Upscaling and editing in same workspace
  • Open weights allow local and private use
  • Huge ecosystem of community tools
  • Free commercial use under $1M revenue
Limitations
  • Credit/unit metering
  • Commercial rights depend on plan tier
  • Model availability can change
  • No major new image model found in 2026; recent focus is audio
  • Licence is revocable and requires registration for commercial use
  • Hosted API prices were raised in Aug 2025 and current per-model figures were not verified
  • Local use needs technical skills and a GPU