diff --git a/action.cjs b/action.cjs
index 341661b..aca36a7 100644
--- a/action.cjs
+++ b/action.cjs
@@ -19,7 +19,7 @@ module.exports = async ({ github, context, inputs, actionPath }) => {
     amplification: '4',
     filterdiff_args: '--exclude=**/package-lock.json --exclude=**/yarn.lock --exclude=**/*.js.map --exclude=**/*.svg --exclude=**/test/data/**/* --exclude=**/docs/**/* --exclude=**/deploy/**/* --exclude=**/.htpasswd',
     openai_models: 'gpt-4o-2024-05-13 gpt-3.5-turbo-0125',
-    anthropic_models: 'claude-3-opus-20240229',
+    anthropic_models: 'claude-3-5-sonnet-20240620',
     bedrock_models: 'anthropic.claude-3-opus-20240229-v1:0',
     owner: context.repo.owner,
     repo: context.repo.repo,
diff --git a/src/anthropicExplainPatch.js b/src/anthropicExplainPatch.js
index 0a582f7..9eee23c 100644
--- a/src/anthropicExplainPatch.js
+++ b/src/anthropicExplainPatch.js
@@ -5,7 +5,7 @@ import { SYSTEM_PROMPT, explainPatchHelper } from './utils.js'
 /* eslint-disable camelcase */
 export default async function explainPatch ({
   apiKey, patchBody, owner, repo,
-  models = ['claude-3-opus-20240229'],
+  models = ['claude-3-5-sonnet-20240620'],
   system = SYSTEM_PROMPT,
   max_tokens = 2048,
   temperature = 1,
diff --git a/src/openaiExplainPatch.js b/src/openaiExplainPatch.js
index 6d0d853..3248b9f 100644
--- a/src/openaiExplainPatch.js
+++ b/src/openaiExplainPatch.js
@@ -5,7 +5,7 @@ import { SYSTEM_PROMPT, explainPatchHelper } from './utils.js'
 
 export default async function explainPatch ({
   apiKey, patchBody, owner, repo,
-  models = ['gpt-4-0125-preview', 'gpt-3.5-turbo-0125'],
+  models = ['gpt-4o-2024-05-13', 'gpt-3.5-turbo-0125'],
   system = SYSTEM_PROMPT,
   max_tokens = 2048,
   temperature = 1,