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Home/Tools/AI Token Counter & Pricing Estimator
AI Tools

AI Token Counter & Pricing Estimator

Paste your prompt below to estimate the number of tokens and calculate API costs for popular LLMs like GPT-4o, Claude 3.5 Sonnet, and Gemini.

0Characters
0Tokens (OpenAI)
0Tokens (Claude)
0Words

Cost Estimation (Per 1M Tokens)

Estimated cost to process this exact prompt as input.

GPT-4o
$5 / 1M Input
$0.000000
Cost for this prompt
GPT-3.5 Turbo
$0.5 / 1M Input
$0.000000
Cost for this prompt
Claude 3.5 Sonnet
$3 / 1M Input
$0.000000
Cost for this prompt
Claude 3 Haiku
$0.25 / 1M Input
$0.000000
Cost for this prompt
💡

Note on Accuracy:This tool uses standard heuristic estimation (approx. 4 chars per token for OpenAI, 3.5 for Anthropic). True token counts vary based on language, code syntax, and the specific model tokenizer (e.g., `cl100k_base` vs `o200k_base`). For precise billing calculations, always refer to your provider's API dashboard.

Quick Facts: AI Token Counter & Pricing Estimator

  • Category: AI Tools
  • Access: Free, No Signup Required
  • Platform: Web Browser (Desktop & Mobile)
  • Privacy: Client-side processing (no data stored on our servers)

How to use AI Token Counter & Pricing Estimator

  1. 1

    Paste your prompt, document, or code block into the large input text area.

  2. 2

    Watch as the tool instantly calculates the character count, word count, and estimated token count.

  3. 3

    Scroll down to the "Cost Estimation" section to see exactly how much the prompt will cost to process across popular LLM APIs.

  4. 4

    Compare prices between models like GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro to optimize your API usage.

  5. 5

    Click the Clear button to start a new prompt calculation.

Why AI Token Counter & Pricing Estimator matters

When building AI applications or submitting large prompts, managing your token count is critical. Language models like ChatGPT and Claude charge by the "token" (which is roughly 3/4 of an English word). If you exceed the model's context window, your prompt will fail. If your prompt is unnecessarily large, your API costs will skyrocket. Our AI Token Counter provides an instant, heuristic token estimate without sending your data to any external server, and automatically calculates the cost per 1M tokens across the most popular LLMs, helping you stay within budget and context limits.