EasyConvert / AI & Prompt Tools

LLM Token Counter & Price Estimator

Calculate token counts and API costs for GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, and Llama 3. Free browser-based tool with no signup required.

About LLM Token Counter & Price Estimator

Calculate token counts and API costs for GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, and Llama 3.

The tool is designed to process data in the browser unless the interface explicitly states that a network request is required.

How to use this tool

  1. Enter or select the prompt text, code snippet value you want to work with.
  2. Review the available settings, then run the count action.
  3. Review the token count, estimated api cost ($) output and use the copy or download action when the tool provides one.

What you can do with LLM Token Counter & Price Estimator

  • Count tokens for gpt-4
  • Estimate claude api cost

What this conversion does

Estimate how many tokens a prompt uses and what it costs across popular LLM models.

Example input

Paste a system prompt plus user message

Example output

Estimated token count with input/output cost per model (GPT, Claude, and other catalog models)

Practical workflow

  1. Paste the prompt text you plan to send to a model.
  2. Read the estimated token count and per-model price breakdown, based on each model's per-million-token rates.
  3. Iterate on the prompt and watch how trimming context changes the estimated cost.

Common use cases

  • Budget an LLM feature by estimating cost per request before building it.
  • Compare model price/performance for the same prompt.
  • Keep long RAG contexts under a model's token limit.

Important notes and limitations

  • Counts are estimates based on text length heuristics, not each vendor's exact tokenizer — treat them as budgeting figures, and verify exact counts with the provider's tokenizer where it matters.
  • Model prices change; verify current rates against the provider's pricing page before committing to a budget.

Continue your workflow

Frequently asked questions

How is the token count calculated?

The counter estimates tokens from the text's length and structure. It is designed for budgeting and comparison; for billing-exact counts use the provider's own tokenizer, since each model tokenizes slightly differently.

Which models does the price estimate cover?

A catalog of popular models (including GPT and Claude families) with their input and output prices per million tokens, so you can compare the same prompt across providers.

Is my prompt text kept private?

Yes. Counting happens locally in your browser; prompts are never sent to any API.

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