Best Alternatives to Cloudflare Workers AI

Edge-deployed AI with free vector DB. Compare 10 similar free AI tools.

1. Smart Connections — Local-first AI embeddings — bge-micro-v2 model runs entirely in Obsidian; vectors stored alongside vault (Free: Free plugin; 100% local)
2. Mistral AI API — European AI — 1B free tokens/month, open-weight models (Free: 1B tokens/month free; Codestral included)
3. ChromaDB — Simplest in-process vector DB for personal AI — zero infrastructure, data never leaves machine (Free: Fully free; in-process or client-server)
4. Khoj — Most mature open second-brain AI — native Obsidian integration, semantic search, deep research (Free: OSS; Docker/Python + Obsidian plugin)
5. Hugging Face — GitHub of ML — 500K+ models, free Spaces, ZeroGPU (Free: Free Hub, inference credits, CPU Spaces, H200 ZeroGPU)
6. Khoj — Most mature open-source second-brain AI — Obsidian integration, semantic search, deep research, scheduled automations (Free: Full OSS; Docker or pip install + Obsidian plugin)
7. OpenClaw — Viral autonomous AI platform — 100K+ stars, multi-channel messaging, skills ecosystem (Free: Open source; 300+ models via OpenRouter)
8. Continue.dev — Open-source AI code assistant — bring your own model (local or cloud) (Free: Fully free; unlimited with local models via Ollama)
9. Amazon Q Developer — AWS AI assistant for code completion, chat, and security scanning (Free: Free tier: code completion, chat, security scanning)
10. Smart Connections — Local-first AI embeddings for Obsidian (Free: Free; bge-micro-v2 locally)

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