A new GitHub project called 9router picked up 941 stars in a single day. It’s not a model, not an agent. It’s a routing layer that lets you point Claude Code, Codex CLI, Cursor, or Cline at a free backend instead of paying for your own Anthropic or OpenAI key.
What 9router actually is
Think OpenRouter, but free and narrower in scope. 9router exposes OpenAI and Anthropic compatible endpoints, so any CLI that already speaks those protocols works out of the box. Swap the base URL in your Claude Code or Codex config, skip the API key field, and your existing agent setup keeps running. The bill just disappears. That’s why indie developers without budget for $20/month Anthropic credits are pouring in.
Why it’s trending and what to watch
Claude Code adoption exploded this quarter, Codex CLI went mainstream, and the long tail of solo developers can’t justify per-token costs for agentic loops that burn through context fast. 9router rides exactly that gap, and the timing is why a no-name repo hit 941 stars in a day.
The catch worth flagging: the free backend is almost certainly a Chinese-operated relay. Your code, prompts, and full project context get shipped to someone you don’t control. Fine for tinkering and learning. Not fine for proprietary code or anything with secrets in scope. Use it knowing what you’re trading.
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