diff --git i/packages/opencode/src/provider/models-macro.ts w/packages/opencode/src/provider/models-macro.ts
index 91a0348..4f60069 100644
--- i/packages/opencode/src/provider/models-macro.ts
+++ w/packages/opencode/src/provider/models-macro.ts
@@ -1,4 +1,15 @@
 export async function data() {
+  const localApiJsonPath = process.env.MODELS_DEV_API_JSON
+
+  // Try to read from local file if path is provided
+  if (localApiJsonPath) {
+    const localFile = Bun.file(localApiJsonPath)
+    if (await localFile.exists()) {
+      return await localFile.text()
+    }
+  }
+
+  // Fallback to fetching from remote URL
   const json = await fetch("https://models.dev/api.json").then((x) => x.text())
   return json
 }