diff --git a/toolkit/components/ml/content/backends/OpenAIPipeline.mjs b/toolkit/components/ml/content/backends/OpenAIPipeline.mjs
index cce99d8282365..326c3a9e049a1 100644
--- a/toolkit/components/ml/content/backends/OpenAIPipeline.mjs
+++ b/toolkit/components/ml/content/backends/OpenAIPipeline.mjs
@@ -26,6 +26,8 @@ let _logLevel = "Error";
  */
 const lazy = {};
 
+const DEFAULT_ALLOWED_OPENAI_PARAMS = Object.freeze(["tools", "tool_choice"]);
+
 ChromeUtils.defineLazyGetter(lazy, "console", () => {
   return console.createInstance({
     maxLogLevel: _logLevel, // we can't use maxLogLevelPref in workers.
@@ -68,6 +70,9 @@ export class OpenAIPipeline {
     let config = {};
     options.applyToConfig(config);
     config.backend = config.backend || "openai";
+    if (!config.allowedOpenAIParams) {
+      config.allowedOpenAIParams = DEFAULT_ALLOWED_OPENAI_PARAMS;
+    }
 
     // reapply logLevel if it has changed.
     if (lazy.console.logLevel != config.logLevel) {
@@ -334,6 +339,11 @@ export class OpenAIPipeline {
       });
       const stream = request.streamOptions?.enabled || false;
       const tools = request.tools || [];
+      const allowedOpenAIParams =
+        request.allowed_openai_params ??
+        request.allowedOpenAIParams ??
+        this.#options.allowedOpenAIParams ??
+        DEFAULT_ALLOWED_OPENAI_PARAMS;
 
       const completionParams = {
         model: modelId,
@@ -342,6 +352,13 @@ export class OpenAIPipeline {
         tools,
       };
 
+      if (
+        Array.isArray(allowedOpenAIParams) &&
+        allowedOpenAIParams.length > 0
+      ) {
+        completionParams.allowed_openai_params = [...allowedOpenAIParams];
+      }
+
       const args = {
         client,
         completionParams,