English | [简体中文](README-zh-CN.md) # HaoChat An unofficial ChatGPT application developed with Flutter. If this repository has been helpful to you, please support us by giving it a star!    ## Supported models * [gpt-3.5-turbo](https://platform.openai.com/docs/models/gpt-3-5) * text-davinci-003 * text-curie-001 * text-babbage-001 * text-ada-001 ## Supported platforms * iOS * Android * macOS * Windows * Linux (untested) ## Setup your OpenAI API key Create a file named **openai.yaml** in the root directory of the project and fill it with your [**OpenAI API key**](https://beta.openai.com/account/api-keys). ```yaml # default API key api_key: 'YOUR-API-KEY' ``` For security reasons, I cannot upload my **openai.yaml**. ## Under development - [x] GPT-4 ## Tips Set the task or role of the AI in this **System prompt** input field. For example: You are a helpful assistant that translates Chinese to English to. ![](https://github.com/conghaonet/hao_chatgpt/blob/master/screenshots/en/setsystem01.jpg) ![](https://github.com/conghaonet/hao_chatgpt/blob/master/screenshots/en/setsystem02.jpg) ## Screenshots