AI Launch Profile
Announcing the open release of Stable Diffusion 3 Medium
Stability AI released Stable Diffusion 3 Medium weights as a smaller open image generation model in the Stable Diffusion 3 series.
At a glance
Launch Snapshot
- Company
- Stability AI
- Launch date
- June 12, 2024
- Launch type
- Open-Source Release
- Category
- AI Image Tools, AI Open-Weight Models
- Audience
- Creators, Developers, Researchers
- Pricing
- Initially released under a restrictive license that drew community backlash; Stability AI issued a revised Community License in July 2024 with free use for individuals and businesses under $1 million annual revenue and paid enterprise licensing above it.
- Free plan
- Yes
- API
- Yes
- Open weights/source
- Yes
Launch Context
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Verification & Sources
- Status
- Verified
- Source links
- 6
- Freshness
- Verified July 10, 2026
- Last verified
- July 10, 2026
- Last updated
- June 11, 2026
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Kingy Launch Score
6.3 / 10 · Mixed
One earned credibility score, computed from cited evidence — not a placeholder. How the Kingy Launch Score works
Why this score
- Source & verification 8.5/10 — The announcement and Hugging Face page plus independent Decrypt and Ars Technica coverage and Civitai's ban notice — multiple independent, dated sources. decrypt.co
- Product evidence 8.5/10 — Open weights downloadable on Hugging Face with API access. huggingface.co
- Significance & novelty 4.0/10 — Documented reception undercut the release's impact: community criticism of anatomy failures and a launch the vendor itself acknowledged missed expectations. arstechnica.com
- Traction signals 3.0/10 — Sourced negative traction: Civitai temporarily banned all SD3-based resources over license-clarity concerns in June 2024. civitai.com
- Offer clarity 5.0/10 — The launch license drew backlash and was revised in July 2024 to a Community License with free use under $1 million annual revenue. decrypt.co
Evidence checked 2026-07-10
Creator Coverage Next Steps
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Kingy AI Take
Stability AI released Stable Diffusion 3 Medium as downloadable open weights, but the launch reception was rough and well documented: Ars Technica catalogued anatomy failures, and Civitai temporarily banned all SD3-based resources over license-clarity concerns (decrypt.co). Stability acknowledged the release missed community expectations and issued a revised Community License in July 2024 with free use under $1 million annual revenue. Creators and Developers should evaluate the newer 3.5 family first.
Who it is for
Developers and creators who need a text-to-image model that is easier to run on consumer and enterprise hardware.
Traction notes
Launch reception was broadly negative and documented: community criticism of anatomy failures in generated images (Ars Technica, June 2024); Civitai temporarily banned all SD3-based resources over license-clarity concerns (Civitai, June 17, 2024; Decrypt); Stability AI issued a revised Community License in July 2024 permitting free use below $1 million annual revenue and stated the release "didn't meet our community's high expectations" (Decrypt).
Source-backed record