diff --git a/libs/community/langchain_community/chat_models/octoai.py b/libs/community/langchain_community/chat_models/octoai.py
index d799e1db7b7..f79f9d192c0 100644
--- a/libs/community/langchain_community/chat_models/octoai.py
+++ b/libs/community/langchain_community/chat_models/octoai.py
@@ -32,8 +32,8 @@ class ChatOctoAI(ChatOpenAI):
     """
 
     octoai_api_base: str = Field(default=DEFAULT_API_BASE)
-    octoai_api_token: SecretStr = Field(default=None)
-    model_name: str = Field(default=DEFAULT_MODEL)
+    octoai_api_token: SecretStr = Field(default=None, alias="api_key")
+    model_name: str = Field(default=DEFAULT_MODEL, alias="model")
 
     @property
     def _llm_type(self) -> str:
diff --git a/libs/community/tests/unit_tests/chat_models/test_octoai.py b/libs/community/tests/unit_tests/chat_models/test_octoai.py
new file mode 100644
index 00000000000..b0d66eae36d
--- /dev/null
+++ b/libs/community/tests/unit_tests/chat_models/test_octoai.py
@@ -0,0 +1,51 @@
+import pytest
+from langchain_core.pydantic_v1 import SecretStr, ValidationError
+
+from langchain_community.chat_models.octoai import ChatOctoAI
+
+DEFAULT_API_BASE = "https://text.octoai.run/v1/"
+DEFAULT_MODEL = "llama-2-13b-chat"
+
+
+@pytest.mark.requires("openai")
+def test__default_octoai_api_base() -> None:
+    chat = ChatOctoAI(octoai_api_token=SecretStr("test_token"))  # type: ignore[call-arg]
+    assert chat.octoai_api_base == DEFAULT_API_BASE
+
+
+@pytest.mark.requires("openai")
+def test__default_octoai_api_token() -> None:
+    chat = ChatOctoAI(octoai_api_token=SecretStr("test_token"))  # type: ignore[call-arg]
+    assert chat.octoai_api_token.get_secret_value() == "test_token"
+
+
+@pytest.mark.requires("openai")
+def test__default_model_name() -> None:
+    chat = ChatOctoAI(octoai_api_token=SecretStr("test_token"))  # type: ignore[call-arg]
+    assert chat.model_name == DEFAULT_MODEL
+
+
+@pytest.mark.requires("openai")
+def test__field_aliases() -> None:
+    chat = ChatOctoAI(octoai_api_token=SecretStr("test_token"), model="custom-model")  # type: ignore[call-arg]
+    assert chat.model_name == "custom-model"
+    assert chat.octoai_api_token.get_secret_value() == "test_token"
+
+
+@pytest.mark.requires("openai")
+def test__missing_octoai_api_token() -> None:
+    with pytest.raises(ValidationError) as e:
+        ChatOctoAI()
+    assert "Did not find octoai_api_token" in str(e)
+
+
+@pytest.mark.requires("openai")
+def test__all_fields_provided() -> None:
+    chat = ChatOctoAI(  # type: ignore[call-arg]
+        octoai_api_token=SecretStr("test_token"),
+        model="custom-model",
+        octoai_api_base="https://custom.api/base/",
+    )
+    assert chat.octoai_api_base == "https://custom.api/base/"
+    assert chat.octoai_api_token.get_secret_value() == "test_token"
+    assert chat.model_name == "custom-model"