Cesium2 v7 is a private fine-tuned model family running on real hardware — no cloud bills, no rate limits, no data leaving the box. Sign in once, get a personal API key, plug it into anything that speaks OpenAI or Anthropic.
Sign in with Google Get started ↓| Model | Type |
|---|---|
| cesium2-v7 | text · 2026 knowledge |
| cesium2-vision | vision + text |
🤖 Claude Code · ⚡ any OpenAI SDK
🐍 Python / JS / Go · 🧩 VS Code extension
🌐 Any HTTP client
✓ Unlimited requests
✓ $0 forever
✓ Your prompts stay local
✓ Streaming included
setx ANTHROPIC_BASE_URL https://cesium2.tail4baa64.ts.net setx ANTHROPIC_AUTH_TOKEN cs2-sk-your-key-here setx ANTHROPIC_MODEL cesium2-v7 claude
OpenAI-compatible too: base_url https://cesium2.tail4baa64.ts.net/v1