Change default model to gpt-5.4

Author: devinjeon

README.md

@@ -66,7 +66,7 @@ You can customize Tab-commit-gpt's behavior using the following environment vari
 | Variable                         | Description                                                  | Default                                                       |
 | -------------------------------- | ------------------------------------------------------------ | ------------------------------------------------------------- |
 | `OPENAI_API_KEY`                 | Your OpenAI API key                                          | **(required)**                                                |
-| `OPENAI_MODEL`                   | OpenAI model to use (e.g., `gpt-4o`, `gpt-3.5-turbo`)        | `gpt-4o`                                                      |
+| `OPENAI_MODEL`                   | OpenAI model to use (e.g., `gpt-5.4`, `gpt-4o`)              | `gpt-5.4`                                                     |
 | `OPENAI_API_URL`                 | URL for the OpenAI API endpoint                              | `https://api.openai.com/v1/chat/completions`                  |
 | `OPENAI_TEMPERATURE`             | Sampling temperature (0.0–1.0, higher = more creative)       | `0.7`                                                         |
 | `OPENAI_MAX_TOKENS`              | Maximum number of tokens in response                         | `1024`                                                        |

cmd/main.go

@@ -14,7 +14,7 @@ import (
 const (
 	defultMaxTokens       = 1024
 	defaultTemperature    = 0.7
-	defaultModel          = "gpt-4o"
+	defaultModel          = "gpt-5.4"
 	defaultAPIURL         = "https://api.openai.com/v1/chat/completions"
 	defaultLanguage       = "en"
 	defaultSoftMaxLength  = "60"

tab-commit-gpt-env.sample

@@ -17,7 +17,7 @@ OPENAI_API_KEY=sk-...
 # export OPENAI_MAX_TOKENS=1024
 
 # OPENAI_MODEL is the model to use for the OpenAI API.
-# export OPENAI_MODEL=gpt-4o
+# export OPENAI_MODEL=gpt-5.4
 
 # TAB_COMMIT_LANGUAGE is the language to use for the commit message.
 # export TAB_COMMIT_LANGUAGE=en