diff --git a/platform/reworkd_platform/web/api/agent/model_factory.py b/platform/reworkd_platform/web/api/agent/model_factory.py
index 275ab214e0..7e49a7d126 100644
--- a/platform/reworkd_platform/web/api/agent/model_factory.py
+++ b/platform/reworkd_platform/web/api/agent/model_factory.py
@@ -40,7 +40,7 @@ def create_model(
     base, headers, use_helicone = get_base_and_headers(settings, model_settings, user)
     kwargs = {
         "openai_api_base": base,
-        "openai_api_key": settings.openai_api_key,
+        "openai_api_key": model_settings.custom_api_key or settings.openai_api_key,
         "temperature": model_settings.temperature,
         "model": model_settings.model,
         "max_tokens": model_settings.max_tokens,