Chatworm
Open-source ChatGPT client with multi-model API access
What is Chatworm? Complete Overview
Chatworm is an open-source, multi-platform application that serves as an enhanced ChatGPT client, allowing users to directly access various AI models through their APIs. It provides a streamlined interface to interact with leading AI models from OpenAI, Anthropic, Deepseek, Gemini, Qwen, Mistral, Grok, and others. The tool is particularly valuable for developers and power users who want a unified interface to work with multiple AI models without switching between different platforms. With over 1,500 Android downloads and 500 Windows downloads, Chatworm has established itself as a trusted solution in the AI community. The application is completely open-source, hosted on GitHub, ensuring transparency and community-driven development.
Chatworm Interface & Screenshots

Chatworm Official screenshot of the tool interface
What Can Chatworm Do? Key Features
Multi-Model Support
Chatworm supports a wide range of AI models including OpenAI's GPT, Anthropic's Claude, Google's Gemini, Mistral, Grok, and more. This allows users to compare outputs from different models or use specialized models for different tasks without switching platforms.
Direct API Access
Unlike standard ChatGPT interfaces, Chatworm connects directly to the APIs of supported models, giving users more control over their interactions and potentially reducing latency.
Cross-Platform Availability
Available as both an Android app and Windows application, Chatworm provides a consistent experience across devices with over 1,500 Android downloads and 500 Windows downloads to date.
Open-Source Transparency
As an open-source project hosted on GitHub, Chatworm offers complete transparency in its codebase, allowing developers to verify security, contribute improvements, or customize the application to their needs.
Simple Setup Process
Getting started with Chatworm requires just three simple steps: obtaining an API key for your preferred model, entering it in the app, and beginning your AI interactions.
Best Chatworm Use Cases & Applications
Developer AI Testing
Developers can use Chatworm to quickly test and compare outputs from different AI models when building applications that integrate multiple AI services.
Content Creation Workflow
Writers and content creators can leverage different AI models for various aspects of their workflow, using specialized models for research, drafting, and editing through a single interface.
AI Research and Comparison
Researchers can utilize Chatworm to systematically compare the capabilities, strengths, and weaknesses of different AI models by interacting with them through a consistent interface.
How to Use Chatworm: Step-by-Step Guide
Obtain an API key from your preferred AI model provider (OpenAI, Anthropic, Google Gemini, etc.). Each provider has its own process for generating API keys, typically available through their developer portals.
Download and install the Chatworm application on your preferred platform (Android via Google Play Store or Windows via Microsoft Store).
Launch the application and enter your API key in the settings section. You may need to specify which model provider the key corresponds to.
Start chatting with your selected AI model through Chatworm's interface. The application will handle the API communication in the background while providing a clean chat interface.
Chatworm Pros and Cons: Honest Review
Pros
Considerations
Is Chatworm Worth It? FAQ & Reviews
Yes, Chatworm itself is completely free. However, you may incur costs from the API providers depending on your usage of their models.
Chatworm currently supports OpenAI, Anthropic, Deepseek, Gemini, Qwen, Mistral, and Grok models, with plans to add more in the future.
Yes, you'll need to obtain API keys from each model provider you wish to use, as they maintain separate authentication systems.
As an open-source application, you can review how Chatworm handles your API keys. The keys are typically stored locally on your device.
Yes, but you must comply with the terms of service of the respective AI model providers whose APIs you're accessing through Chatworm.