If you are already using Claude Code, switching to Crazyrouter takes about 2 minutes. You keep your existing workflow, gain access to more models, and typically reduce your API cost by 40-50%.
| Feature | Anthropic Direct | Via Crazyrouter |
|---|---|---|
| Claude Code works | ✅ | ✅ |
| Pricing | Official rates | 40-50% lower |
| Models available | Claude only | Claude + GPT + Gemini + Grok + 300 more |
| Billing | Anthropic account | Unified, one invoice |
| Failover | None | Auto-failover between channels |
| Model switching | Manual code change | Change one parameter |
sk- keyReload your shell:
That's it. Claude Code will now route through Crazyrouter. Your prompts, context, and workflow stay exactly the same.
Run a quick test:
You should see Claude respond normally. Check your Crazyrouter console logs to confirm requests are flowing through.
One of the biggest advantages of using Crazyrouter is model flexibility. You can switch between models without changing your integration.
Since Crazyrouter supports OpenAI-compatible format too, you can also use:
This means one Crazyrouter key powers both Claude Code and OpenAI Codex.
For a typical developer using Claude Code moderately (about 500K tokens/day):
| Setup | Monthly Cost (est.) |
|---|---|
| Anthropic Max 5x subscription | $100/month (fixed) |
| Anthropic Max 20x subscription | $200/month (fixed) |
| Anthropic API direct | ~$60-80/month |
| Crazyrouter API | ~$30-45/month |
The savings come from Crazyrouter's lower per-token rates. For heavy users, the difference adds up fast.
| Issue | Solution |
|---|---|
ANTHROPIC_BASE_URL not recognized | Make sure you exported it and reloaded your shell |
| 401 Unauthorized | Check your API key is correct and has sufficient balance |
| Slow responses | Check status page; try a different model |
| Want to use both Claude and GPT | Set both ANTHROPIC_* and OPENAI_* env vars to Crazyrouter |
Yes. Same model, same capabilities, same context window. Crazyrouter proxies to the official Anthropic API.
Yes. One Crazyrouter key works for both. Set the appropriate base URL for each tool.
Yes. Claude Code settings are local to your machine. Only the API routing changes.
Minimal. Crazyrouter adds typically <50ms of routing overhead.
Yes. Just remove or change the ANTHROPIC_BASE_URL environment variable.
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