# AI Chat Context Window

> Display context window usage for Claude and ChatGPT interfaces

Canonical page: [https://chrome-stats.com/d/ai-chat-context-window](https://chrome-stats.com/d/ai-chat-context-window)

## Overview

- **ID:** `ai-chat-context-window`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Quantum Pilot
- **Category:** appearance
- **Daily users:** 6
- **Weekly downloads:** 2
- **Version:** 1.1.0
- **Last updated:** 2025-09-04
- **First published:** 2025-08-30
- **Size:** 4.87 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ai-chat-context-window/)
- **Website:** [https://github.com/quantum-pilot/ai-chat-context](https://github.com/quantum-pilot/ai-chat-context)

## Description

Open-source extension that displays real-time token usage for Claude and ChatGPT conversations.

Features:
- Automatic model detection
- Real-time token counting using tiktoken
- Visual indicators: Green (0-70%), Yellow (70-90%), Red (90-100%)
- Supports individual plans from Claude (Free/Pro/Max) and ChatGPT (Free/Plus/Pro)

## Rankings

- #41,354 — Overall
- #90 — context menu
- #237 — usage

## Permissions and access

### Content script matches

- `claude.ai`
- `chat.openai.com`
- `chatgpt.com`

## Safety

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

### Analysis details

- Request access to the following domains: claude.ai, openai.com, chatgpt.com
- 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).

## Similar extensions and apps

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- [Claude Usage Tracker](https://chrome-stats.com/d/claude-usage-tracker) — 4,046 users, 4.85 / 5
- [AI Token Tracker](https://chrome-stats.com/d/ai-token-tracker) — 28 users
- [tokenizer-token-cost-monitor](https://chrome-stats.com/d/tokenizer-token-cost-monitor) — 5 users
- [Claude Pulse](https://chrome-stats.com/d/claude-pulse) — 3 users, 5.00 / 5
- [Claude Usage Bar](https://chrome-stats.com/d/claude-usage-bar) — 24 users
- [Claude Usage Counter (Modular, No API Key)](https://chrome-stats.com/d/claudeusagecounternoapikey) — 4 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/ai-chat-context-window)