IDE Integration
Integrate Claude and OpenAI models with your IDE. Use Basic for Anthropic/Claude models and Codex for OpenAI/GPT models.
LLMsRelay is an independently operated API gateway. It is not affiliated with or endorsed by Anthropic, PBC. Product and model names are used only to describe compatibility.
Quick Setup Map
Claude Code API works with clients that support either OpenAI-compatible mode or Anthropic-compatible mode with a custom base URL.
| Tool | Mode | Key group | Base URL |
|---|---|---|---|
| Cursor | OpenAI-compatible Claude | Basic | https://api.llmsrelay.com/v1 |
| Claude Code | Anthropic-compatible | Basic | https://api.llmsrelay.com |
| Cline / Roo Code | OpenAI-compatible Claude | Basic | https://api.llmsrelay.com/v1 |
| Kilo Code | Anthropic Messages + OpenAI Responses | Basic for Claude / Codex for OpenAI | https://api.llmsrelay.com/v1 |
| Continue | Anthropic-compatible | Basic | https://api.llmsrelay.com |
| OpenCode | Anthropic-compatible | Basic | https://api.llmsrelay.com |
Recommended Model IDs
claude-opus-4.7— flagship, 1M context (beta)claude-opus-4.7— most powerful at 200Kclaude-sonnet-4.6— best value for codingclaude-haiku-4.5— fastest
Restrict which IDE can use a key in Key Controls → IDE Restrictions.