diff --git a/llama-index-integrations/llms/llama-index-llms-openai/llama_index/llms/openai/utils.py b/llama-index-integrations/llms/llama-index-llms-openai/llama_index/llms/openai/utils.py
index c36d57a776b592b13e8214f47742fa95c295d752..0bc66f5c6a660a2c88916e2967e6ec4c725517e5 100644
--- a/llama-index-integrations/llms/llama-index-llms-openai/llama_index/llms/openai/utils.py
+++ b/llama-index-integrations/llms/llama-index-llms-openai/llama_index/llms/openai/utils.py
@@ -77,6 +77,8 @@ GPT4_MODELS: Dict[str, int] = {
     "gpt-4o-2024-05-13": 128000,
     "gpt-4o-2024-08-06": 128000,
     "gpt-4o-2024-11-20": 128000,
+    "gpt-4.5-preview": 128000,
+    "gpt-4.5-preview-2025-02-27": 128000,
     # Intended for research and evaluation
     "chatgpt-4o-latest": 128000,
     "gpt-4o-mini": 128000,
diff --git a/llama-index-integrations/llms/llama-index-llms-openai/pyproject.toml b/llama-index-integrations/llms/llama-index-llms-openai/pyproject.toml
index 9e42ba647ade53fe60c06b8c8fad66630cc76d88..caa348458ad5021f9b97dce0c654bba88ecc4265 100644
--- a/llama-index-integrations/llms/llama-index-llms-openai/pyproject.toml
+++ b/llama-index-integrations/llms/llama-index-llms-openai/pyproject.toml
@@ -29,7 +29,7 @@ exclude = ["**/BUILD"]
 license = "MIT"
 name = "llama-index-llms-openai"
 readme = "README.md"
-version = "0.3.22"
+version = "0.3.23"
 
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"