diff --git a/README.md b/README.md
index ac69d4e..e74704e 100644
--- a/README.md
+++ b/README.md
@@ -21,8 +21,8 @@ plugins:
   - uses:
       - plugin: http://localhost:4000
         with:
-          # Use your own app name for local testing
-          ubiquityOsAppSlug: "UbiquityOS"
+          model: ""
+          openAiBaseUrl: ""
 ```
 
 `.dev.vars` (for local testing):
@@ -30,6 +30,8 @@ plugins:
 ```sh
 # OpenAI API key
 OPENAI_API_KEY=your-api-key
+UBIQUITY_OS_APP_SLUG="UbiquityOS"
+
 ```
 
 ## Testing
diff --git a/src/handlers/ask-gpt.ts b/src/handlers/ask-gpt.ts
index fe3101e..f537da4 100644
--- a/src/handlers/ask-gpt.ts
+++ b/src/handlers/ask-gpt.ts
@@ -18,9 +18,10 @@ export async function askGpt(context: Context, formattedChat: string) {
   const {
     logger,
     env: { OPENAI_API_KEY },
+    config: { model, openAiBaseUrl },
   } = context;
 
-  const openAi = new OpenAI({ apiKey: OPENAI_API_KEY });
+  const openAi = new OpenAI({ apiKey: OPENAI_API_KEY, baseURL: openAiBaseUrl });
 
   const chat = createChatHistory(formattedChat);
 
@@ -28,7 +29,7 @@ export async function askGpt(context: Context, formattedChat: string) {
 
   const res: OpenAI.Chat.Completions.ChatCompletion = await openAi.chat.completions.create({
     messages: createChatHistory(formattedChat),
-    model: "chatgpt-4o-latest",
+    model: model ?? "o1-mini",
   });
 
   const answer = res.choices[0].message.content;
diff --git a/src/plugin.ts b/src/plugin.ts
index 680245d..f89c894 100644
--- a/src/plugin.ts
+++ b/src/plugin.ts
@@ -24,11 +24,11 @@ export async function plugin(inputs: PluginInputs, env: Env) {
 export async function runPlugin(context: Context) {
   const {
     logger,
-    config: { ubiquityOsAppSlug },
+    env: { UBIQUITY_OS_APP_SLUG },
   } = context;
   const question = context.payload.comment.body;
 
-  const slugRegex = new RegExp(`@${ubiquityOsAppSlug} `, "gi");
+  const slugRegex = new RegExp(`@${UBIQUITY_OS_APP_SLUG} `, "gi");
 
   if (!question.match(slugRegex)) {
     logger.info("Comment does not mention the app. Skipping.");
diff --git a/src/types/env.ts b/src/types/env.ts
index eef600a..e8a5f7b 100644
--- a/src/types/env.ts
+++ b/src/types/env.ts
@@ -13,6 +13,7 @@ dotenv.config();
  */
 export const envSchema = T.Object({
   OPENAI_API_KEY: T.String(),
+  UBIQUITY_OS_APP_SLUG: T.String(),
 });
 
 export const envValidator = new StandardValidator(envSchema);
diff --git a/src/types/plugin-inputs.ts b/src/types/plugin-inputs.ts
index 78c05a3..a574032 100644
--- a/src/types/plugin-inputs.ts
+++ b/src/types/plugin-inputs.ts
@@ -20,7 +20,8 @@ export interface PluginInputs<T extends SupportedEventsU = SupportedEventsU, TU
  */
 
 export const pluginSettingsSchema = T.Object({
-  ubiquityOsAppSlug: T.String(),
+  model: T.Optional(T.String({ default: "o1-mini" })),
+  openAiBaseUrl: T.Optional(T.String({ default: "" })),
 });
 
 export const pluginSettingsValidator = new StandardValidator(pluginSettingsSchema);
diff --git a/tests/main.test.ts b/tests/main.test.ts
index 5329ce4..1b2069c 100644
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@@ -299,10 +299,9 @@ function createContext(body = TEST_SLASH_COMMAND) {
       organization: { login: "ubiquity" } as unknown as Context["payload"]["organization"],
     },
     logger: new Logs("debug"),
-    config: {
-      ubiquityOsAppSlug: "UbiquityOS",
-    },
+    config: {},
     env: {
+      UBIQUITY_OS_APP_SLUG: "UbiquityOS",
       OPENAI_API_KEY: "test",
     },
     octokit: new octokit.Octokit(),