How to Track Your Claude Usage

Anthropic doesn't make it easy to know how much Claude budget you have left. There's no message counter. No token tracker. No "you have 47 messages remaining" notification. What you get is a vague percentage bar buried in settings. This guide covers every option, from manual checks to automated tracking.

Method 1: The Settings Page (Manual)

The built-in approach. No tools required, but limited information.

Step-by-Step

1. Open claude.ai in your browser
2. Click your profile icon (bottom-left corner)
3. Select Settings
4. Navigate to the Usage tab (or go directly to claude.ai/settings/usage)
5. You'll see usage bars for each model within your current time window

What You See

The settings page shows:

• Usage bars per model: Horizontal progress bars showing consumption percentage
• Model names: Which model each bar represents (Sonnet, Opus, etc.)
• Time window indicator: Whether you're looking at the session or weekly window

For comparison, OpenAI shows approximate message counts for ChatGPT, and Gemini displays daily query counts — both more transparent than Claude's percentage-only approach.

What You Don't See

The critical gaps in the settings page:

• No exact numbers: Percentages only. No message count, no token count
• No time-to-reset: You don't know when your oldest usage falls off the rolling window
• No pace information: No indication of whether your current rate is sustainable through the week
• No history: Only current state. No way to see yesterday's or last week's usage
• No predictions: No depletion estimate based on your current pace
• No push notifications: You have to manually check every time

Method 2: Manual Tracking Spreadsheet

Some users maintain a spreadsheet where they log their usage percentage at regular intervals. This gives you the history and trends that the settings page doesn't provide.

How to Set It Up

1. Create a spreadsheet with columns: Date, Time, All Models %, Session %, Sonnet %
2. Check the settings page 2-3 times per day and log the values
3. Add a calculated column for daily delta (today's % minus yesterday's %)
4. Create a chart to visualize trends over time

Pros and Cons

Pros: Full control, historical data, can add custom calculations (pace, projections), works regardless of Anthropic's UI changes.

Cons: Extremely tedious. Requires discipline to log consistently. Manual data entry 2-3 times daily is unsustainable for most people. Any gap in logging creates blind spots. In practice, nobody keeps this up for more than a week.

Method 3: Browser DevTools API Monitoring

For technically inclined users, you can inspect the API calls that Claude's settings page makes to get more detailed data than the UI shows.

How It Works

1. Open the Claude settings/usage page
2. Open Chrome DevTools (F12 or Cmd+Opt+I)
3. Go to the Network tab
4. Filter for usage or look for API calls to /api/organizations/*/usage
5. Inspect the response JSON to see raw usage data

The API response typically contains more granular data than what the settings page displays: exact timestamps, per-model breakdowns, and sometimes token-level detail. This is the same data that tools like FuelGauge use.^[1]

Pros and Cons

Pros: Most detailed raw data available. Can see exact values that the UI rounds or hides.

Cons: Requires technical knowledge. Manual process — you have to open DevTools each time. The API endpoints are undocumented and can change without notice. Not practical for regular monitoring.

Method 4: Automated Browser Extension

This is the approach FuelGauge takes. A Chrome/Brave extension that automatically polls the same internal API that the settings page uses, but does it on a schedule and presents the data in a much more useful format.

How FuelGauge Works

1. Install the extension from the Chrome Web Store
2. Log into Claude in your browser (FuelGauge uses your active session)
3. The extension automatically polls Claude's usage API at regular intervals (configurable from 1 to 30 minutes)
4. Data is stored locally in your browser (chrome.storage.local) — nothing leaves your machine
5. The extension computes derived metrics: pace ratio, depletion ETA, trend analysis, under-utilization detection

What You Get

The FuelGauge dashboard provides:

The Three Tiles

FuelGauge's popup dashboard shows three tiles at a glance:

• All Models (7-day): Your combined usage across all Claude models in the weekly rolling window
• Session (5h): Your current 5-hour session window status
• Sonnet (7-day): Sonnet-specific usage in the weekly window (since it's the most commonly used model)

Clicking any tile opens a detail view with the full chart, metrics, and advice for that specific window.

Comparing All Methods

Privacy and Security Considerations

Any tool that tracks your Claude usage needs access to your session data. Here's what to consider:

• FuelGauge stores everything locally. Usage data lives in chrome.storage.local in your browser. No external server, no analytics, no telemetry^[2]
• Session cookies: The extension uses your active Claude session cookie to authenticate API requests. This is the same cookie your browser uses when you visit claude.ai. The extension doesn't store or transmit the cookie itself
• No conversation access: FuelGauge reads usage percentages and timestamps. It cannot access your conversation content, messages, or any other account data
• Chrome Web Store review: Extensions distributed through the Chrome Web Store undergo Google's review process, which checks for malicious behavior and privacy violations

Setting Up Effective Monitoring

Regardless of which method you choose, here's a framework for effective usage monitoring:

1. Define your target utilization. For most users, 60-80% of weekly budget consumed is the sweet spot — high enough to get your money's worth, low enough to avoid hitting limits. Consistent use is what makes an AI subscription worth the money
2. Set alert thresholds. Get notified at 70% usage (heads up), 85% (slow down), and 95% (critical)
3. Review weekly. At the end of each week, look at your utilization pattern. Are you consistently under 50%? Consider downgrading. Always above 90%? Consider upgrading
4. Track the session window separately. You might have plenty of weekly budget but still get session-limited. Monitor both windows
5. Notice your patterns. Do you burn through budget on Mondays and coast the rest of the week? Heavy in mornings, light in evenings? AI usage is highly variable week to week. Without tracking, you can't tell whether to upgrade or downgrade. Understanding your patterns helps you plan