diff --git a/action.yml b/action.yml
index ec44f6e..6197bad 100644
--- a/action.yml
+++ b/action.yml
@@ -71,7 +71,7 @@ inputs:
   openai_model:
     description: "OpenAI Model"
     required: false
-    default: "gpt-5.1-2025-11-13"
+    default: "gpt-5.2-2025-12-11"
   first_issue_response:
     description: "Example response to a new issue"
     required: false
diff --git a/actions/review_pr.py b/actions/review_pr.py
index 302290b..bbd3968 100644
--- a/actions/review_pr.py
+++ b/actions/review_pr.py
@@ -242,7 +242,7 @@ def generate_pr_review(
         response = get_response(
             messages,
             reasoning_effort="low",
-            model="gpt-5.1-codex",
+            model="gpt-5.2-2025-12-11",
             text_format={"format": {"type": "json_schema", "name": "pr_review", "strict": True, "schema": schema}},
             tools=[
                 {
diff --git a/actions/utils/openai_utils.py b/actions/utils/openai_utils.py
index c1b9fae..9334768 100644
--- a/actions/utils/openai_utils.py
+++ b/actions/utils/openai_utils.py
@@ -12,12 +12,13 @@ import requests
 from actions.utils.common_utils import check_links_in_string
 
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
-OPENAI_MODEL = os.getenv("OPENAI_MODEL", "gpt-5.1-2025-11-13")
+OPENAI_MODEL = os.getenv("OPENAI_MODEL", "gpt-5.2-2025-12-11")
 MAX_PROMPT_CHARS = round(128000 * 3.3 * 0.5)  # Max characters for prompt (50% of 128k context)
 MODEL_COSTS = {
     "gpt-5-codex": (1.25, 10.00),
     "gpt-5.1-codex": (1.25, 10.00),
     "gpt-5.1-2025-11-13": (1.25, 10.00),
+    "gpt-5.2-2025-12-11": (1.75, 14.00),
     "gpt-5-nano-2025-08-07": (0.05, 0.40),
     "gpt-5-mini-2025-08-07": (0.25, 2.00),
 }