LobeChat
LobeChat is an open-source AI chat platform that supports OpenAI-compatible endpoints via its settings panel.
Official docs: https://lobehub.com/docs/usage/providers/openai
1. Open settings
Click the Settings icon in the lower left and go to the Language Model page.
2. Select the OpenAI provider
Click OpenAI in the provider list to expand the configuration panel.
3. Fill in the connection details
| Field | Value |
|---|---|
| API Key (apiKey) | Your codex_... or sk-... key |
| API Proxy URL (baseURL) | https://codex.openai.com/v1 |
4. Select a model and verify
Select a model from the dropdown or enter gpt-5-codex-mini manually, then start a conversation to confirm it works.
Notes
- The API Proxy URL takes the base URL including
/v1:https://codex.openai.com/v1 - LobeChat supports multiple simultaneous providers and lets you switch between them per session
- For self-hosted deployments, configure
OPENAI_API_KEYandOPENAI_PROXY_URLenvironment variables — see the official environment variable docs