# ChatGPT, Claude & GROK API Chat Client

> ChatGPT, Claude & GROK API Chat Extension with Latest Models support

Canonical page: [https://chrome-stats.com/d/openai-chat-extension](https://chrome-stats.com/d/openai-chat-extension)

## Overview

- **ID:** `openai-chat-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** YD:Dev
- **Category:** social-communication
- **Daily users:** 24
- **Weekly downloads:** 1
- **Rating:** 3.00 / 5 (3 ratings)
- **Version:** 1.4
- **Last updated:** 2025-07-12
- **First published:** 2025-03-01
- **Size:** 145 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/openai-chat-extension/)
- **Website:** [https://github.com/yev-del/openai-mozilla-extension](https://github.com/yev-del/openai-mozilla-extension)

## Description

<strong>Key Features:</strong>
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

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

<strong>What's New in v1.4:</strong>
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🚀 <strong>GROK Integration (Test Mode)</strong> - full support for <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6998475d0dc1cd2e4207500dbccbeeb7f5555687bc2872411da4ace4cf2005a0/http%3A//X.AI" rel="nofollow">X.AI</a>'s GROK models including Grok 4, Grok 3, and Grok 2
🎨 <strong>Enhanced Tab Design</strong> - active tabs now feature inverted colors with rounded corners
⚡ <strong>Improved Hover Effects</strong> - unified zoom animations for better user experience
🔧 <strong>Better Input Field</strong> - refined auto-resize functionality for message typing
🛠️ <strong>API Improvements</strong> - proper error handling and logging for all three AI providers

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

<strong>Frequently Asked Questions:</strong>
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
<strong>Do I need accounts for all three services?</strong>
You'll need an OpenAI account for ChatGPT (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/b1c237c89953712493888beb10b36e563e16d97f6701c7c888dbdf847a0f101e/http%3A//platform.openai.com" rel="nofollow">platform.openai.com</a>), an Anthropic account for Claude (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/3ea84f82b78d56c86a52142468c94df5ba8f86ca57477fe9b9b46daa62ce9372/http%3A//console.anthropic.com" rel="nofollow">console.anthropic.com</a>), and/or an <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6998475d0dc1cd2e4207500dbccbeeb7f5555687bc2872411da4ace4cf2005a0/http%3A//X.AI" rel="nofollow">X.AI</a> account for GROK (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/25c8db453223d17242970d4bb8961f03028474b6a88d861dcc8fc9f5ce2084ed/http%3A//console.x.ai" rel="nofollow">console.x.ai</a>).

<strong>Is this extension free?</strong>
The extension itself is completely free. You only pay for API usage according to OpenAI, Anthropic, and <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6998475d0dc1cd2e4207500dbccbeeb7f5555687bc2872411da4ace4cf2005a0/http%3A//X.AI" rel="nofollow">X.AI</a> pricing.

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

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

<strong>What does "GROK in test mode" mean?</strong>
GROK integration is fully functional but marked as test mode as <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6998475d0dc1cd2e4207500dbccbeeb7f5555687bc2872411da4ace4cf2005a0/http%3A//X.AI" rel="nofollow">X.AI</a>'s API is relatively new. All features work as expected.

## Rankings

- #22,517 — Overall
- #22 — grok
- #66 — claude
- #77 — claude ai
- #83 — gpt-4o
- #122 — chatgpt pdf

## Permissions and access

### Permissions

- `storage`
- `https://api.anthropic.com/*`
- `https://api.openai.com/*`
- `https://api.x.ai/*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: anthropic.com, openai.com, x.ai
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/openai-chat-extension)