Prompt Token Counter

Prompt Token Counter is a web-based tool to check OpenAI prompt token counts and confirm your prompt fits the model’s token limit before sending.

Prompt

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Overview

Prompt Token Counter is a browser-based tool for checking how many tokens a prompt uses across supported OpenAI models. Its stated purpose is to help users make sure a prompt fits within the token limits of the model they plan to use.

The homepage provides a text area for prompt input, displays token counts for several OpenAI model families, and includes an explicit note that prompts are never stored or transmitted through the internet. The site also includes explanatory copy about token limits, prompt length, and why token counting matters when drafting requests for language models.

Features

Prompt input and token counting

Enter prompt text directly on the homepage to check token usage for the content you want to send to an OpenAI model.

Model-specific token counts

The page shows token counts for multiple OpenAI model families and variants, including GPT-5, GPT-4.1, GPT-4.5 Research Preview, GPT-4o, and the o-series models listed on the page.

Privacy-focused prompt handling

A note on the homepage states that your prompt is never stored or transmitted through the internet.

Educational token guidance

The page includes explanatory guidance about what tokens are, what prompts are, and why token counting matters when working within model limits.

Optional prompt optimization service

The homepage promotes a professional prompt optimization service with consultation, prompt analysis, optimized prompts, documentation, a best-practices guide, three months of monitoring, and performance guarantees.

Use cases

Pre-flight prompt validation
Check a draft prompt before sending it to an OpenAI model so you can trim or adjust text that would exceed the model’s token budget.
Model selection support
Estimate prompt size for different model families listed on the page, especially when comparing options with different token limits.
Prompt refinement
Review prompt length during prompt engineering work, where concise wording and token efficiency affect how a prompt performs.
Onboarding and education
Help new users understand how tokens relate to prompts and why token limits matter before they start using OpenAI models regularly.

Pros and Cons

Pros

Shows token counts for several named OpenAI model families and variants.
Lets users check prompt length before sending a request, which helps avoid token-limit issues.
States that prompts are never stored or transmitted through the internet.
Pairs the counter with plain-language explanations of tokens and prompts, which helps first-time users.

Cons

The source pages do not provide a working pricing page, so pricing and plan structure are not documented.
The site does not show integrations, API access, or export options in the reviewed pages.
Feature details beyond token counting are limited on the main product pages.

FAQ

What does Prompt Token Counter do?

It is a web-based token counter for prompts used with OpenAI models. You paste or type prompt text into the page, and it shows token counts for supported models so you can check whether the prompt fits within a model’s limit.

Which OpenAI models does it support?

The homepage lists GPT-5, GPT-5 Mini, GPT-5 Nano, o4 Mini, o3, o1 Pro, GPT-4.1, GPT-4.1 Mini, GPT-4.1 Nano, GPT-4.5 Research Preview, GPT-4o, GPT-4o-mini, and GPT-4o as supported model families or variants, each with a displayed token count.

Does it store or transmit my prompt?

The page says your prompt is never stored or transmitted through the internet, which suggests the tool is designed for local, privacy-conscious prompt checking.

Is there pricing information on the site?

The site does not provide a documented pricing page; the `/pricing` URL returns a 404 page. Pricing details are therefore not available from the source pages reviewed.

Quick Facts

Category: AI chat / developer tool
Platform: Web app
Primary use: Prompt token counting for OpenAI models
Source domain: prompttokencounter.com
Pricing page: 404 on `/pricing`
Integrations: Not documented on the reviewed pages

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Visite mensili: 12,5K
Durata media visita: 00:28
Pagine per visita: 1.96

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