Use DeepSeek in Zed

Steps

1. 1
   Step 1.

   Create an API key at https://platform.deepseek.com/api_keys.

2. 2
   Step 2.

   Open Agent Settings with the agent: open settings command, go to the DeepSeek section and enter your key. Zed also reads DEEPSEEK_API_KEY from the local Zed process environment.

   YAML

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   agent: open settings

3. 3
   Step 3.

   Optional: add custom DeepSeek models (alternate ids, token limits or endpoint) in settings.json, verbatim from Zed docs.

   JSON

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   {
     "language_models": {
       "deepseek": {
         "api_url": "https://api.deepseek.com/v1",
         "available_models": [
           {
             "name": "deepseek-flash",
             "display_name": "DeepSeek V4.1 Flash",
             "max_tokens": 1000000,
             "max_output_tokens": 384000
           },
           {
             "name": "deepseek-v4-pro",
             "display_name": "DeepSeek V4 Pro",
             "max_tokens": 1000000,
             "max_output_tokens": 384000
           }
         ]
       }
     }
   }