Stable Diffusion
A family of downloadable image models with a large ecosystem of fine-tunes and tooling.
Full Stable Diffusion record →Head to head
Stable Diffusion vs GPT Image
Stable Diffusion (Stability AI) and GPT Image (OpenAI) both sit in Image. Stable Diffusion is the cheaper entry point at Free tier · from $19/mo. GPT Image shipped more tracked changes in the last 30 days (6 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Stable Diffusion Stability AI | GPT Image OpenAI |
|---|---|---|
| Segment | Image | Image |
| Version | Brand Studio | gpt-image-2.5-sunburst |
| Entry cost | Free tier · from $19/mo | from $20/mo |
| Pricing tiers | Trial free · Creator $19 · Core $50 | ChatGPT Free free · ChatGPT Plus $20 · API free |
| Model stack | more · Nano Banana · Seedream · Stable Diffusion | DALL-E · DALL-E 3 · GPT Image · GPT Image 1.5 · GPT-4o · gpt-5.6 · gpt-6-astra · gpt-image-2 · gpt-image-2.5-sunburst |
| Context window | n/a | n/a |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 6 |
| Origin | Global | Global |
| Capabilities | Open weights, LoRA fine-tuning, ControlNet ecosystem, Local inference, Commercial licence, Text-to-image, Sketch-to-image, Inpainting | Text rendering, Image editing, Reference images, Transparent backgrounds, Streaming previews, Image generation, Vision / Image analysis, Multimodal processing |
GPT Image
Text-to-image and editing with strong instruction following and text rendering.
Full GPT Image record →