diff --git a/README.md b/README.md
index 447c376..7d2a6e5 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ OCO_TOKENS_MAX_OUTPUT=<max response tokens (default: 500)>
 OCO_OPENAI_BASE_PATH=<may be used to set proxy path to OpenAI api>
 OCO_DESCRIPTION=<postface a message with ~3 sentences description of the changes>
 OCO_EMOJI=<boolean, add GitMoji>
-OCO_MODEL=<either 'gpt-4', 'gpt-4-turbo', 'gpt-3.5-turbo' (default), 'gpt-3.5-turbo-0125', 'gpt-4-1106-preview', 'gpt-4-turbo-preview' or 'gpt-4-0125-preview'>
+OCO_MODEL=<either 'gpt-4o', 'gpt-4', 'gpt-4-turbo', 'gpt-3.5-turbo' (default), 'gpt-3.5-turbo-0125', 'gpt-4-1106-preview', 'gpt-4-turbo-preview' or 'gpt-4-0125-preview'>
 OCO_LANGUAGE=<locale, scroll to the bottom to see options>
 OCO_MESSAGE_TEMPLATE_PLACEHOLDER=<message template placeholder, default: '$msg'>
 OCO_PROMPT_MODULE=<either conventional-commit or @commitlint, default: conventional-commit>
diff --git a/src/commands/config.ts b/src/commands/config.ts
index d9ce148..420f2ef 100644
--- a/src/commands/config.ts
+++ b/src/commands/config.ts
@@ -40,7 +40,8 @@ export const MODEL_LIST = {
           'gpt-4-turbo',
           'gpt-4-1106-preview',
           'gpt-4-turbo-preview',
-          'gpt-4-0125-preview'],
+          'gpt-4-0125-preview',
+          'gpt-4o'],
 
   anthropic: ['claude-3-haiku-20240307',
               'claude-3-sonnet-20240229',
@@ -184,7 +185,7 @@ export const configValidators = {
     validateConfig(
       CONFIG_KEYS.OCO_MODEL,
       [...MODEL_LIST.openai, ...MODEL_LIST.anthropic].includes(value) || config.OCO_AI_PROVIDER == 'ollama' || config.OCO_AI_PROVIDER == 'test',
-      `${value} is not supported yet, use 'gpt-4', 'gpt-4-turbo', 'gpt-3.5-turbo' (default), 'gpt-3.5-turbo-0125', 'gpt-4-1106-preview', 'gpt-4-turbo-preview', 'gpt-4-0125-preview', 'claude-3-opus-20240229', 'claude-3-sonnet-20240229' or 'claude-3-haiku-20240307'`
+      `${value} is not supported yet, use 'gpt-4o', 'gpt-4', 'gpt-4-turbo', 'gpt-3.5-turbo' (default), 'gpt-3.5-turbo-0125', 'gpt-4-1106-preview', 'gpt-4-turbo-preview', 'gpt-4-0125-preview', 'claude-3-opus-20240229', 'claude-3-sonnet-20240229' or 'claude-3-haiku-20240307'`
     );
     return value;
   },