diff --git a/llama_parse/base.py b/llama_parse/base.py
index 3279ba2..7fd7a06 100644
--- a/llama_parse/base.py
+++ b/llama_parse/base.py
@@ -57,6 +57,14 @@ class LlamaParse(BasePydanticReader):
     parsing_instruction: Optional[str] = Field(
         default="", description="The parsing instruction for the parser."
     )
+    gpt4o_mode: bool = Field(
+        default=False,
+        description="Whether to use gpt-4o extract text from documents.",
+    )
+    gpt4o_api_key: Optional[str] = Field(
+        default=None,
+        description="The API key for the GPT-4o API. Lowers the cost of parsing.",
+    )
     ignore_errors: bool = Field(
         default=True,
         description="Whether or not to ignore and skip errors raised during parsing.",
@@ -113,6 +121,8 @@ async def _create_job(
                     data={
                         "language": self.language.value,
                         "parsing_instruction": self.parsing_instruction,
+                        "gpt4o_mode": self.gpt4o_mode,
+                        "gpt4o_api_key": self.gpt4o_api_key,
                     },
                 )
                 if not response.is_success:
diff --git a/pyproject.toml b/pyproject.toml
index 72cf0c7..74c12ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "llama-parse"
-version = "0.4.2"
+version = "0.4.3"
 description = "Parse files into RAG-Optimized formats."
 authors = ["Logan Markewich <logan@llamaindex.ai>"]
 license = "MIT"