CodeGPT is an outstanding IntelliJ IDE plugin designed to enhance programming skills and streamline the development process. It provides a range of features, with its chat completions API being a standout, that suggests helpful ideas to developers while coding. This plugin offers several commands like CUSTOM PROMPT, FIND BUGS, ADD TESTS, REFACTOR, OPTIMIZE, and EXPLAIN, which can be executed easily by right-clicking on the chosen block of code. Additionally, it comes with different APIs, including CHATGPT SNAPSHOT TEXT COMPLETION, DAVINCI, CURIE, BABBAGE, and ADA, as well as OPENAI'S OFFICIAL API CHAT COMPLETION. The free version of CHATGPT's UNOFFICIAL API is also available for users. To use this plugin, developers must comply with the PLUGIN MARKETPLACE AGREEMENT and set up the API key under SETTINGS → TOOLS → CODEGPT. CodeGPT is an essential tool for programmers who want to improve their coding proficiency and efficiency, as it provides chat completions, suggestions, and analysis, along with commands to refactor and optimize code.