AI Prompt Token Counter

by spaceprompts · spaceprompts.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Count tokens and estimate AI costs for any model. Supports ChatGPT, Claude, Gemini, DeepSeek, and more.

Users

199

+44 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#64K

#54K among extensions

Version

1.3.0

updated 20 Aug 2026

Users

monthly, 7 months

Latest, 18 Oct 2026: 199 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 18 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About AI Prompt Token Counter

AI Token Counter & Cost Calculator lets you check estimated token usage and input costs across all major AI models in real-time. Paste your prompt, pick your model, and see exactly how many tokens you're using. Supports models from OpenAI, Claude, Gemini, DeepSeek, and more. ————————————————————————————————————————————— Features • Real-time token count as you type • Estimated input cost per model • Character count • Lightweight popup — no account required