diff --git a/action.yml b/action.yml
index 1166009..6f4469f 100644
--- a/action.yml
+++ b/action.yml
@@ -93,7 +93,7 @@ runs:
               "debounce_time": "6",
               "amplification": "4",
               "filterdiff_args": "--exclude=**/package-lock.json --exclude=**/yarn.lock --exclude=**/*.js.map --exclude=**/*.svg --exclude=**/test/data/**/*",
-              "openai_models": "gpt-3.5-turbo-0125",
+              "openai_models": "gpt-4-0125-preview gpt-3.5-turbo-0125",
               "anthropic_models": "claude-3-opus-20240229",
               "owner": context.repo.owner,
               "repo": context.repo.repo,
diff --git a/src/openaiExplainPatch.js b/src/openaiExplainPatch.js
index a8f7eb1..5ee61ca 100644
--- a/src/openaiExplainPatch.js
+++ b/src/openaiExplainPatch.js
@@ -2,7 +2,7 @@ import OpenAI from "openai";
 import { encoding_for_model } from "tiktoken";
 
 export default async function explainPatch({apiKey, patchBody, owner, repo,
-  models = ["gpt-3.5-turbo-0125"],
+  models = ["gpt-4-0125-preview", "gpt-3.5-turbo-0125"],
   system = `
 You are an expert software engineer reviewing a pull request on Github. Lines that start with "+" have been added, lines that start with "-" have been deleted. Use markdown for formatting your review.