diff --git a/README.md b/README.md
index 565bf86..74b8227 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,8 @@ option. Any `env` provided in the run options are appended.
 
 - `APIKey`: Specify an OpenAI API key for authenticating requests
 - `BaseURL`: A base URL for an OpenAI compatible API (the default is `https://api.openai.com/v1`)
-- `DefaultModel`: The default model to use for OpenAI requests
+- `DefaultModel`: The default model to use for chat completion requests
+- `DefaultModelProvider`: The default model provider to use for chat completion requests
 - `Env`: Replace the system's environment variables with these in the for `KEY=VAL`
 
 ## Run Options
diff --git a/package-lock.json b/package-lock.json
index e1c33d4..5347066 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@gptscript-ai/gptscript",
-  "version": "v0.9.3",
+  "version": "v0.9.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@gptscript-ai/gptscript",
-      "version": "v0.9.3",
+      "version": "v0.9.4",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/package.json b/package.json
index c19a6e3..a9280c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@gptscript-ai/gptscript",
-  "version": "v0.9.3",
+  "version": "v0.9.4",
   "description": "Run gptscript in node.js",
   "source": "src/gptscript.ts",
   "main": "dist/gptscript.js",
diff --git a/scripts/install-binary.js b/scripts/install-binary.js
index 28705ef..622796b 100644
--- a/scripts/install-binary.js
+++ b/scripts/install-binary.js
@@ -72,7 +72,7 @@ if (process.platform === 'win32') {
 const gptscript_info = {
     name: "gptscript",
     url: "https://github.com/gptscript-ai/gptscript/releases/download/",
-    version: "v0.9.3"
+    version: "v0.9.4"
 }
 
 const pltfm = {
diff --git a/src/gptscript.ts b/src/gptscript.ts
index 3143350..71e45f6 100644
--- a/src/gptscript.ts
+++ b/src/gptscript.ts
@@ -2,11 +2,13 @@ import http from "http"
 import path from "path"
 import child_process from "child_process"
 import {fileURLToPath} from "url"
+import {gunzipSync} from "zlib";
 
 export interface GlobalOpts {
     APIKey?: string
     BaseURL?: string
     DefaultModel?: string
+    DefaultModelProvider?: string
     Env?: string[]
 }
 
@@ -24,6 +26,9 @@ function globalOptsToEnv(env: NodeJS.ProcessEnv, opts?: GlobalOpts) {
     if (opts.DefaultModel) {
         env["GPTSCRIPT_SDKSERVER_DEFAULT_MODEL"] = opts.DefaultModel
     }
+    if (opts.DefaultModelProvider) {
+        env["GPTSCRIPT_SDKSERVER_DEFAULT_MODEL_PROVIDER"] = opts.DefaultModelProvider
+    }
 }
 
 export interface RunOpts {
@@ -805,6 +810,22 @@ export interface PromptResponse {
     responses: Record<string, string>
 }
 
+export function getEnv(key: string, def: string = ''): string {
+    let v = process.env[key] || ''
+    if (v == '') {
+        return def
+    }
+
+    if (v.startsWith('{"_gz":"') && v.endsWith('"}')) {
+        try {
+            return gunzipSync(Buffer.from(v.slice(8, -2), 'base64')).toString('utf8')
+        } catch (e) {
+        }
+    }
+
+    return v
+}
+
 function getCmdPath(): string {
     if (process.env.GPTSCRIPT_BIN) {
         return process.env.GPTSCRIPT_BIN
diff --git a/tests/gptscript.test.ts b/tests/gptscript.test.ts
index 2920c6c..0389408 100644
--- a/tests/gptscript.test.ts
+++ b/tests/gptscript.test.ts
@@ -1,5 +1,5 @@
 import * as gptscript from "../src/gptscript"
-import {ArgumentSchemaType, PropertyType, RunEventType, ToolType} from "../src/gptscript"
+import {ArgumentSchemaType, getEnv, PropertyType, RunEventType, ToolType} from "../src/gptscript"
 import path from "path"
 import {fileURLToPath} from "url"
 
@@ -535,4 +535,15 @@ describe("gptscript module", () => {
 
         expect(run.err).toEqual("")
     })
+
+    test("test get_env default", async () => {
+        const env = getEnv('TEST_ENV_MISSING', 'foo')
+        expect(env).toEqual('foo')
+    })
+
+    test("test get_env", async () => {
+        process.env.TEST_ENV = '{"_gz":"H4sIAEosrGYC/ytJLS5RKEvMKU0FACtB3ewKAAAA"}'
+        const env = getEnv('TEST_ENV', 'missing')
+        expect(env).toEqual('test value')
+    })
 })