ChatGPT CLI

ChatGPT CLI provides a powerful command-line interface for seamless interaction with ChatGPT models via OpenAI and Azure, featuring streaming capabilities and extensive configuration options.

Table of Contents

• Features
• Installation
  • Using Homebrew (macOS)
  • Direct Download
    • Apple M1 chips
    • macOS Intel chips
    • Linux (amd64)
    • Linux (arm64)
    • Windows (amd64)
• Getting Started
• Configuration
  • General Configuration
  • Azure Configuration
  • Command-Line Autocompletion
    • Enabling Autocompletion
    • Persistent Autocompletion
• Development
• Reporting Issues and Contributing
• Uninstallation
• Useful Links
• Additional Resources

Features

• Streaming mode: Real-time interaction with the GPT model.
• Query mode: Single input-output interactions with the GPT model.
• Interactive mode: The interactive mode allows for a more conversational experience with the model. Exit interactive mode by simply typing 'exit'.
• Thread-based context management: Enjoy seamless conversations with the GPT model with individualized context for each thread, much like your experience on the OpenAI website. Each unique thread has its own history, ensuring relevant and coherent responses across different chat instances.
• Sliding window history: To stay within token limits, the chat history automatically trims while still preserving the necessary context.
• Custom context from any source: You can provide the GPT model with a custom context during conversation. This context can be piped in from any source, such as local files, standard input, or even another program. This flexibility allows the model to adapt to a wide range of conversational scenarios.
• Model listing: Access a list of available models using the -l or --list-models flag.
• Thread listing: Display a list of active threads using the --list-threads flag.
• Advanced configuration options: The CLI supports a layered configuration system where settings can be specified through default values, a config.yaml file, and environment variables. For quick adjustments, use the --set-model, --set-thread and --set-max-tokens flags. To verify your current settings, use the --config or -c flag. The newly added omit_history configuration option adds another layer of customization to your user experience.
• Availability Note: This CLI supports both gpt-4 and gpt-3.5-turbo models. However, the specific ChatGPT model used on chat.openai.com may not be available via the OpenAI API.

Installation

Using Homebrew (macOS)

You can install chatgpt-cli using Homebrew:

brew tap kardolus/chatgpt-cli && brew install chatgpt-cli

Direct Download

For a quick and easy installation without compiling, you can directly download the pre-built binary for your operating system and architecture:

Apple M1 chips

curl -L -o chatgpt https://github.com/kardolus/chatgpt-cli/releases/download/v1.5.0/chatgpt-darwin-arm64 && chmod +x chatgpt && sudo mv chatgpt /usr/local/bin/

macOS Intel chips

curl -L -o chatgpt https://github.com/kardolus/chatgpt-cli/releases/download/v1.5.0/chatgpt-darwin-amd64 && chmod +x chatgpt && sudo mv chatgpt /usr/local/bin/

Linux (amd64)

curl -L -o chatgpt https://github.com/kardolus/chatgpt-cli/releases/download/v1.5.0/chatgpt-linux-amd64 && chmod +x chatgpt && sudo mv chatgpt /usr/local/bin/

Linux (arm64)

curl -L -o chatgpt https://github.com/kardolus/chatgpt-cli/releases/download/v1.5.0/chatgpt-linux-arm64 && chmod +x chatgpt && sudo mv chatgpt /usr/local/bin/

Windows (amd64)

Download the binary from this link and add it to your PATH.

Choose the appropriate command for your system, which will download the binary, make it executable, and move it to your /usr/local/bin directory (or %PATH% on Windows) for easy access.

Getting Started

1. Set the OPENAI_API_KEY environment variable to your ChatGPT secret key. To set the environment variable, you can add the following line to your shell profile (e.g., ~/.bashrc, ~/.zshrc, or ~/.bash_profile), replacing your_api_key with your actual key:

   export OPENAI_API_KEY="your_api_key"

2. To enable history tracking across CLI calls, create a ~/.chatgpt-cli directory using the command:

   mkdir -p ~/.chatgpt-cli

   Once this directory is in place, the CLI automatically manages the message history for each "thread" you converse with. The history operates like a sliding window, maintaining context up to a configurable token maximum. This ensures a balance between maintaining conversation context and achieving optimal performance.

   By default, if a specific thread is not provided by the user, the CLI uses the default thread and stores the history at ~/.chatgpt-cli/history/default.json. You can find more details about how to configure the thread parameter in the Configuration section of this document.

3. Try it out:

   chatgpt what is the capital of the Netherlands

4. To start interactive mode, use the -i or --interactive flag:

   chatgpt --interactive

5. To use the pipe feature, create a text file containing some context. For example, create a file named context.txt with the following content:

   Kya is a playful dog who loves swimming and playing fetch.

   Then, use the pipe feature to provide this context to ChatGPT:

   cat context.txt | chatgpt "What kind of toy would Kya enjoy?"

6. To list all available models, use the -l or --list-models flag:

   chatgpt --list-models

7. For more options, see:

   chatgpt --help

Configuration

The ChatGPT CLI adopts a three-tier configuration strategy, with different levels of precedence assigned to default values, the config.yaml file, and environment variables, in that respective order.

General Configuration

Configuration variables:

Variable	Description	Default
name	The prefix for environment variable overrides.	'openai'
api_key	Your OpenAI API key.	(none for security)
model	The GPT model used by the application.	'gpt-3.5-turbo'
max_tokens	The maximum number of tokens that can be used in a single API call.	4096
context_window	The memory limit for how much of the conversation can be remembered at one time.	8192
role	The system role	'You are a helpful assistant.'
temperature	What sampling temperature to use, between 0 and 2. Higher values make the output more random; lower values make it more focused and deterministic.	1.0
frequency_penalty	Number between -2.0 and 2.0. Positive values penalize new tokens based on their existing frequency in the text so far.	0.0
top_p	An alternative to sampling with temperature, called nucleus sampling, where the model considers the results of the tokens with top_p probability mass.	1.0
presence_penalty	Number between -2.0 and 2.0. Positive values penalize new tokens based on whether they appear in the text so far.	0.0
thread	The name of the current chat thread. Each unique thread name has its own context.	'default'
omit_history	If true, the chat history will not be used to provide context for the GPT model.	false
url	The base URL for the OpenAI API.	'https://api.openai.com'
completions_path	The API endpoint for completions.	'/v1/chat/completions'
models_path	The API endpoint for accessing model information.	'/v1/models'
auth_header	The header used for authorization in API requests.	'Authorization'
auth_token_prefix	The prefix to be added before the token in the auth_header.	'Bearer '

The defaults can be overridden by providing your own values in the user configuration file, named .chatgpt-cli/config.yaml, located in your home directory.

The structure of the user configuration file mirrors that of the default configuration. For instance, to override the model and max_tokens parameters, your file might look like this:

model: gpt-3.5-turbo-16k
max_tokens: 4096

This alters the model to gpt-3.5-turbo-16k and adjusts max_tokens to 4096. All other options, such as url , completions_path, and models_path, can similarly be modified. If the user configuration file cannot be accessed or is missing, the application will resort to the default configuration.

Another way to adjust values without manually editing the configuration file is by using environment variables. The name attribute forms the prefix for these variables. As an example, the model can be modified using the OPENAI_MODEL environment variable. Similarly, to disable history during the execution of a command, use:

OPENAI_OMIT_HISTORY=true chatgpt what is the capital of Denmark?

This approach is especially beneficial for temporary changes or for testing varying configurations.

Moreover, you can use the --config or -c flag to view the present configuration. This handy feature allows users to swiftly verify their current settings without the need to manually inspect the configuration files.

chatgpt --config

Executing this command will display the active configuration, including any overrides instituted by environment variables or the user configuration file.

To facilitate convenient adjustments, the ChatGPT CLI provides two flags for swiftly modifying the model and max_tokens parameters in your user configured config.yaml. These flags are --set-model and --set-max-tokens.

For instance, to update the model, use the following command:

chatgpt --set-model gpt-3.5-turbo-16k

This feature allows for rapid changes to key configuration parameters, optimizing your experience with the ChatGPT CLI.

Azure Configuration

For Azure, use a configuration similar to:

name: azure
api_key: <your_key>
model: <not relevant, read from the completions path>
max_tokens: 4096
context_window: 8192
role: You are a helpful assistant.
temperature: 1
top_p: 1
frequency_penalty: 0
presence_penalty: 0
thread: default
omit_history: false
url: https://<your_resource>.openai.azure.com
completions_path: /openai/deployments/<your_deployment>/chat/completions?api-version=<your_api>
models_path: /v1/models
auth_header: api-key
auth_token_prefix: " "

You can set the API key either in the config.yaml file as shown above or export it as an environment variable:

export AZURE_API_KEY=<your_key>

Command-Line Autocompletion

Enhance your CLI experience with our new autocompletion feature for command flags!

Enabling Autocompletion

Autocompletion is currently supported for the following shells: Bash, Zsh, Fish, and PowerShell. To activate flag completion in your current shell session, execute the appropriate command based on your shell:

• Bash

  . <(chatgpt --set-completions bash)

• Zsh

  . <(chatgpt --set-completions zsh)

• Fish

  chatgpt --set-completions fish | source

• PowerShell

  chatgpt --set-completions powershell | Out-String | Invoke-Expression

Persistent Autocompletion

For added convenience, you can make autocompletion persist across all new shell sessions by adding the appropriate sourcing command to your shell's startup file. Here are the files typically used for each shell:

• Bash: Add to .bashrc or .bash_profile
• Zsh: Add to .zshrc
• Fish: Add to config.fish
• PowerShell: Add to your PowerShell profile script

For example, for Bash, you would add the following line to your .bashrc file:

. <(chatgpt --set-completions bash)

This ensures that command flag autocompletion is enabled automatically every time you open a new terminal window.

Development

To start developing, set the OPENAI_API_KEY environment variable to your ChatGPT secret key. Follow these steps for running tests and building the application:

1. Run the tests using the following scripts:

   For unit tests, run:

   ./scripts/unit.sh

   For integration tests, run:

   ./scripts/integration.sh

   For contract tests, run:

   ./scripts/contract.sh

   To run all tests, use:

   ./scripts/all-tests.sh

2. Build the app using the installation script:

   ./scripts/install.sh

3. After a successful build, test the application with the following command:

   ./bin/chatgpt what type of dog is a Jack Russel?

4. As mentioned previously, the ChatGPT CLI supports tracking conversation history across CLI calls. This feature creates a seamless and conversational experience with the GPT model, as the history is utilized as context in subsequent interactions.

   To enable this feature, you need to create a ~/.chatgpt-cli directory using the command:

   mkdir -p ~/.chatgpt-cli

Reporting Issues and Contributing

If you encounter any issues or have suggestions for improvements, please submit an issue on GitHub. We appreciate your feedback and contributions to help make this project better.

Uninstallation

If for any reason you wish to uninstall the ChatGPT CLI application from your system, you can do so by following these steps:

Using Homebrew (macOS)

If you installed the CLI using Homebrew you can do:

brew uninstall chatgpt-cli

And to remove the tap:

brew untap kardolus/chatgpt-cli

MacOS / Linux

If you installed the binary directly, follow these steps:

1. Remove the binary:

   sudo rm /usr/local/bin/chatgpt

2. Optionally, if you wish to remove the history tracking directory, you can also delete the ~/.chatgpt-cli directory:

   rm -rf ~/.chatgpt-cli

Windows

1. Navigate to the location of the chatgpt binary in your system, which should be in your PATH.

2. Delete the chatgpt binary.

3. Optionally, if you wish to remove the history tracking, navigate to the ~/.chatgpt-cli directory (where ~ refers to your user's home directory) and delete it.

Please note that the history tracking directory ~/.chatgpt-cli only contains conversation history and no personal data. If you have any concerns about this, please feel free to delete this directory during uninstallation.

Useful Links

• ChatGPT API Documentation
• OpenAI API Reference
• Key Usage Dashboard
• OpenAI Pricing Page

Additional Resources

• "Summarize any text instantly with a single shortcut" on Medium: Dive deep into the capabilities of this CLI tool with this detailed walkthrough.
• Join the conversation on Reddit: Discuss the tool, ask questions, and share your experiences with our growing community.

Thank you for using ChatGPT CLI!