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AI Token Counter

Estimate AI tokens, words, characters, context usage, and remaining budget for GPT-style prompts.

ai token countergpt token counterprompt token calculatorcontext window counter

Plan, estimate, copy

AI tools stay deterministic: estimate tokens, structure prompts, plan context, and prepare copy-ready outputs without calling a model.

Describe input

Paste text or fill the prompt, token, schema, or cost fields.

Estimate

Review token budget, chunks, cost, or structured prompt sections.

Copy output

Move the result into your AI workflow or documentation.

Start using tool

Token model estimate

Choose a model family/context size. Counts are estimates, not provider billing guarantees.

Token estimates, chunks, cost math, and copy-ready prompts appear here.

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Practical guide for AI Token Counter

AI Token Counter is a focused ai utility for this task: Estimate AI tokens, words, characters, context usage, and remaining budget for GPT-style prompts.

It focuses on deterministic tasks such as token estimates, prompt structure, context budgets, chunking, costs, and structured-output instructions.

Common use cases

  • Use AI Token Counter when you need a quick result without installing a separate app.
  • Estimate prompt size before using an AI model or API.
  • Prepare clean prompt sections, schemas, chunks, or cost notes for an AI workflow.

How to use it well

  1. Open AI Token Counter and provide the input requested by the tool.
  2. Choose the model family, context limit, chunk size, price, or output format.
  3. Run the tool and review the structured estimate or generated template.
  4. Copy the result into your AI tool, app, documentation, or prompt library.

Practical tips

  • Treat token counts as model-family estimates unless you validate against the exact provider.
  • Reserve context for system instructions, tool messages, and expected output.
  • Keep secrets out of prompts you plan to share in documentation or tickets.

Limitations to know

  • These tools do not call an AI model and do not evaluate answer quality.
  • Model limits, tokenizers, and pricing can change, so verify critical production numbers with the provider.

FAQ

Q: Is this exact for every AI model?

A: No. It uses a GPT-style tokenizer estimate. Treat it as a planning number because tokenization and billing can vary by model provider.

Q: Does this send my prompt to an AI API?

A: No. The counting runs in your browser and does not call a model.

Related Tools

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RAG Chunking Tool

Split long text into token-estimated chunks with overlap for retrieval and AI knowledge workflows.

AI API Cost Calculator

Estimate per-request, daily, and monthly AI API costs from token usage and custom per-million-token prices.

More in AI Tools

Prompt Builder

Build structured system and user prompts from role, task, context, constraints, examples, and output format.

Context Window Planner

Plan prompt, retrieved context, reserved instructions, and expected output inside an AI context window.

RAG Chunking Tool

Split long text into token-estimated chunks with overlap for retrieval and AI knowledge workflows.

AI API Cost Calculator

Estimate per-request, daily, and monthly AI API costs from token usage and custom per-million-token prices.

JSON Schema to Prompt

Convert JSON Schema into copy-ready AI prompt instructions with required fields and output constraints.

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.