Stability AI

🌍 International 📖 Open Source ✅ Free

API platform by Stable Diffusion creators. Hosts SD3.5, Stable Video, etc. 25 free credits for new users.

Visit Website →
Free tier API pricing No credit card China access Open-source alt Provider alternatives Alternatives

🎁 Free Tier

Daily Limit: 25 free credits on signup.

ModelContextLimitNotes
stable-image-core image generation Credit-based; check dashboard Good starting point for Stable Image API tests.

🔑 Free API

Free Credits: 25 free credits on signup

Rate Limit: Credit-based image/video generation; check Stability platform dashboard

Stability AI Platform exposes Stable Image/SD APIs with 25 signup credits. Start with small image tests before scaling paid generation.

Imagecategory.api

Free API Topic Hubs

AI Opportunity Library What you can build with these free AI tools, how to ship an MVP, and how to monetize. Explore ideas → Free AI API directory Compare DeepSeek, Qwen, Grok, GLM, Hunyuan, Groq, and Cloudflare Workers AI free credits. Open hub → API relay and OpenAI-compatible endpoints Relay options, free models, China-access notes, and SDK-compatible setups. View guide → FreeLLMAPI GitHub guide Open-source free LLM API aggregation, alternatives, and setup notes. Read guide →

📖 Related Tutorials

Best Free AI APIs 2026: Credits, Pricing, Limits, No Card → 2026免费AI画图工具推荐：5款深度评测与工作流指南 →

🔄 Similar Providers

LocalAI MIT open-source, zero API cost when self-hosted. ⭐ 46,838 InvokeAI Apache-2.0 open source; free local use ⭐ 27,423 Qwen (Alibaba) 70M DashScope/Bailian signup tokens; RPM/TPM, expiry, and model access vary by account ⭐ 27,194 StepFun No explicit limit ⭐ 4,630

🎁 Free Resource Pack

Get the Free AI Startup Toolkit

Free API credits list, AI business case studies, payment stack, risk checklist, and a monetization roadmap.

Get it free →
🐑 AI Assistant