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AI models · 7 of 110 stories
Stable Diffusion
A family of AI image models from Stability AI: each creates a picture from a text prompt, and a business can run it on its own computers.
Price: Free to download and run for a business with less than US$1 million in yearly revenue; above that, an Enterprise license at a custom price (read 13 October 2026)
Free plan: yes, under US$1M revenue
stability.ai
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| NightCafe | Open image model that NightCafe runs on its own servers and does not call through a vendor API. recent versions, run on the company's own rented servers | since 2022 | B | TechCrunch, 31 August 2024: Before Midjourney, there was NightCafe, and it's still kicking | |
| Photo AI | The first base model: fine-tuned on a customer's photos so that it learns the face. open image model, fine-tuned with DreamBooth | replaced by FLUX (Black Forest Labs) | C | Photo AI product page, read 12 October 2026 | |
| HeadshotPro | Base image generation model of the headshot pipeline; the company adds dozens of other open-source and custom models on top. open-source image model, fine-tuned per customer | C | Unite.ai, 20 February 2024: Danny Postma, founder of HeadshotPro, interview series | ||
| Interior AI | Open-source image model that redesigns the uploaded room photo; the product was built weeks after its release. first version with image-to-image, later fine-tuned on a gallery of interiors | C | Lex Fridman Podcast #440 transcript, 20 August 2024: Pieter Levels: Programming, Viral AI Startups, and Digital Nomad Life | ||
| Neural Frames | Open-source image model behind the first product and the frame-by-frame animations. self-hosted on the company's GPU servers | since January 2023 | C | Starter Story, 16 November 2023: How A Doctorate In Physics Built An AI Video Generation Tool [$17K MRR] | |
| MagicSlides | Image model behind an earlier AI image feature; Claude wrote its prompts. | C | Sanskar Tiwari on X, posts from 2023 to 2026 | ||
| AIDesigner | A compiled third-party page says fine-tuned image models like this one generate the designs; the company's pages name no model. | C | MRR Story, May 2026: From $1K to $9.5K MRR in 30 Days: The Solo AI Tool Fixing Ugly 'Vibe-Coded' Apps |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Used in the same businesses
Other tools in the stories above, with the number of stories that share both.
Other tools for the same job
AI models, with the number of stories that use each.