LobeHub

Add a custom provider

1. Open App Settings → AI Providers and click Add Custom Provider.
2. Give a lowercase Provider ID (lowercase letters, digits, - and _; it cannot be changed later), choose OpenAI as Request Format, enter https://nezhagate.com/v1 as Proxy URL and your key as API Key, then click Create.
3. On the provider page click Fetch models, or add models by hand with Add Model, setting the maximum context window and ticking tool calling and vision where the model has them.
4. Enable the models you want and pick one in a chat.

Keep Use Client Request Mode off (the NezhaGate API does not accept cross-origin browser requests), and keep Use Responses API Specification off as well.

Claude (optional)

Add a second custom provider with Anthropic as Request Format and https://nezhagate.com/anthropic as Proxy URL.

Self-hosted: environment variables

A self-hosted LobeHub can be pointed at NezhaGate with environment variables:

OPENAI_API_KEY=YOUR_API_KEY
OPENAI_PROXY_URL=https://nezhagate.com/v1
OPENAI_MODEL_LIST=-all,+gpt-5.5,+claude-sonnet-5
ANTHROPIC_API_KEY=YOUR_API_KEY
ANTHROPIC_PROXY_URL=https://nezhagate.com/anthropic

In OPENAI_MODEL_LIST, -all hides every built-in model, +model-id adds a NezhaGate model, and +model-id=Display name also sets its display name.

Test

In Connectivity Check on the provider page, pick a model and click Check (it sends one short message); Check passed means you are done.

Troubleshooting