diff --git a/lua/model/core/chat.lua b/lua/model/core/chat.lua
index f105686..7b798ca 100644
--- a/lua/model/core/chat.lua
+++ b/lua/model/core/chat.lua
@@ -8,6 +8,7 @@ local M = {}
 ---@field provider Provider The API provider for this prompt
 ---@field create fun(input: string, context: Context): string | ChatContents Converts input and context to the first message text or ChatContents
 ---@field run fun(messages: ChatMessage[], config: ChatConfig): table | fun(resolve: fun(params: table): nil ) ) Converts chat messages and config into completion request params
+---@field runOptions? fun(): table Builds additional options to merge into chat prompt options. E.g. for auth tokens that shouldn't be written to the chat config header.
 ---@field system? string System instruction
 ---@field params? table Static request parameters
 ---@field options? table Provider options
@@ -336,6 +337,10 @@ function M.run_chat(opts)
   local options = parsed.contents.config.options or {}
   local params = parsed.contents.config.params or {}
 
+  if type(chat_prompt.runOptions) == 'function' then
+    options = vim.tbl_deep_extend('force', options, chat_prompt.runOptions())
+  end
+
   if type(run_params) == 'function' then
     run_params(function(async_params)
       local merged_params = vim.tbl_deep_extend('force', params, async_params)
diff --git a/lua/model/prompts/chats.lua b/lua/model/prompts/chats.lua
index 7ded14c..964c6b6 100644
--- a/lua/model/prompts/chats.lua
+++ b/lua/model/prompts/chats.lua
@@ -9,6 +9,8 @@ local anthropic = require('model.providers.anthropic')
 local zephyr_fmt = require('model.format.zephyr')
 local starling_fmt = require('model.format.starling')
 
+local util = require('model.util')
+
 local function input_if_selection(input, context)
   return context.selection and input or ''
 end
@@ -213,6 +215,17 @@ local chats = {
       })
     end,
   },
+  groq = vim.tbl_deep_extend('force', openai_chat, {
+    params = {
+      model = 'llama3-70b-8192',
+    },
+    runOptions = function()
+      return {
+        url = 'https://api.groq.com/openai/v1/',
+        authorization = 'Bearer ' .. util.env('GROQ_API_KEY'),
+      }
+    end,
+  }),
 }
 
 return chats
diff --git a/lua/model/util/init.lua b/lua/model/util/init.lua
index 8e0aa41..f03ade2 100644
--- a/lua/model/util/init.lua
+++ b/lua/model/util/init.lua
@@ -61,7 +61,7 @@ local get_secret_once = M.memo(function(name)
 end)
 
 function M.env(name)
-  if M.secrets[name] then
+  if type(M.secrets[name]) == 'function' then
     return get_secret_once(name)
   else
     local value = vim.env[name]