ChatGPT & Claude API Chat Client by YD:Dev

Key Features:
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✅ Latest AI Models - supports GPT-4o, Claude 4 Opus, Claude 4 Sonnet, Claude 3.7 Sonnet, and all previous models
🔒 Complete Privacy - all data and chat history stored only on your device
🎯 Smart Interface - dynamic auto-resizing message input that grows as you type
💾 Persistent Model Selection - remembers your chosen model across sessions
⚡ Quick Access - instant communication with ChatGPT and Claude in one click
🎨 Customizable Interface - tab-based design with dark/light themes and accent colors
📝 Advanced Markdown Support - beautifully rendered responses with code highlighting
🔄 Auto-Save Drafts - never lose your message drafts when switching tabs

What's New in v1.3:
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🆕 Claude 4 Models - access to the most powerful Claude 4 Opus and Sonnet models
🆕 Dynamic Input Fields - message boxes automatically expand for multi-line text
🆕 Enhanced Model Persistence - selected models stay saved when you return to the extension
🆕 Improved Storage System - better handling of settings and chat history
🛠️ Critical Bug Fixes - resolved loading animation, duplicate script, and UI consistency issues
🎯 Enhanced Stability - improved error handling and memory management

Frequently Asked Questions:
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Do I need accounts for both services?
You'll need an OpenAI account for ChatGPT (platform.openai.com) and/or an Anthropic account for Claude (console.anthropic.com).

Is this extension free?
The extension itself is completely free. You only pay for API usage according to OpenAI and Anthropic pricing.

Is it safe to use my API keys?
Yes, your API keys are stored locally in your browser and used exclusively for direct connections to official servers.

How is this extension different from others?
We don't use intermediate servers, don't collect your data, and don't show ads. This provides direct and secure connections to both ChatGPT and Claude APIs.