NextChat

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Deployment

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One-click Vercel deploy

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Docker

docker run -d -p 3000:3000 \
  -e OPENAI_API_KEY=sk-XXXXXXXXXXXXXXXX \
  -e BASE_URL=https://openp.ai \
  -e CUSTOM_MODELS="+gpt-5.5,+claude-opus-4-8,+gemini-3.1-pro-preview" \
  --name nextchat \
  yidadaa/chatgpt-next-web

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Configure in the web UI (no restart needed)

1. Gear icon at the bottom-left → open settings.
2. Endpoint / Base URL: https://openp.ai
3. API Key: sk-XXXXXXXXXXXXXXXX
4. Custom models: +gpt-5.5,+claude-opus-4-8,+gemini-3.1-pro-preview
5. Click Check availability → save once it passes.

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Vision chat

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Notes

• BASE_URL should not include /v1 — NextChat completes the path automatically.
• In CUSTOM_MODELS, the + prefix adds a model and - hides one.
• For a shared multi-user deployment, set an access CODE / password to prevent key leakage.