aicentosNextChat
Use aicentos in NextChat — connect through custom OpenAI-compatible settings
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NextChat is a widely used open-source ChatGPT web client that supports a custom OpenAI-compatible interface.
UI configuration - Open the settings
Click the Settings icon in the lower-left corner
UI configuration - Enable the custom interface
Find the Custom interface toggle in the settings panel; input boxes appear once it is on
UI configuration - Fill in the connection details
Fill in the following:
| Field | Value |
|---|---|
| OpenAI API Key | Your codex_... or sk-... key |
| API proxy URL | https://aicentos.com/v1 |
UI configuration - Verify
After saving, start a conversation and check that it returns normally
Self-hosted deployment configuration
For self-hosted instances, configure through environment variables:
OPENAI_API_KEY=codex_your_api_key
BASE_URL=https://aicentos.com/v1Restart the service after configuring for it to take effect.
Custom models
In the Model dropdown of the settings panel, you can type gpt-5-codex-mini or another available model name manually.
Self-hosted deployments can also preset the model list through the CUSTOM_MODELS environment variable, for example:
CUSTOM_MODELS=gpt-5-codex-miniNotes
- The API proxy URL should be the service root path including
/v1, i.e.https://aicentos.com/v1 - Available models are determined by the list returned by
GET /v1/models