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Contador de Tokens AI — Ferramenta online grátis

Conte tokens para GPT-4, Claude, Gemini — com estimativa de custos

Conte tokens de GPT-4, GPT-3.5, Claude e Gemini. Estime custos de API. 100% no navegador — ilimitado e privado. Sem cadastro.

Tokens for GPT-4o
0
0 characters 0 words 0 tokens/word

💰 Custo estimate

As input (this text sent to AI)$0.000
As output (AI generates this length)$0.000
1,000 runs as input$0.00
Context window usage 0 / 0
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Free GPT / Claude / Gemini token counter with cost estimates

Ferramentaolis AI Token Counter counts tokens for every major AI model: GPT-4o, GPT-4, GPT-3.5, Claude 3 Opus/Sonnet/Haiku, Gemini Pro/Flash. Live cost estimates for input and output tokens. 100% client-side — your prompts never leave your browser.

How to use this tool

  1. 1

    Paste your text or prompt

    Any text — prompts, documents, code, JSON payloads.

  2. 2

    Pick the AI model

    GPT-4, GPT-3.5, Claude 3, Gemini — each uses different tokenizers.

  3. 3

    Read token count + cost

    Live token count for the chosen model, plus estimated input/output API costs.

Token rules of thumb

  • English: ~1 token per 0.75 words (~4 characters per token)
  • Code: more tokens per character due to special symbols
  • Nãon-English: ~1.5-3× more tokens (especially CJK languages)
  • JSON: 20-40% overhead from brackets and quotes
  • Numbers: each digit is often a token

Current API pricing (2026, per 1M tokens)

ModelInputOutputContext
GPT-4o$2.50$10.00128K
GPT-4 Turbo$10.00$30.00128K
GPT-3.5 Turbo$0.50$1.5016K
Claude 3 Opus$15.00$75.00200K
Claude 3.5 Sonnet$3.00$15.00200K
Claude 3 Haiku$0.25$1.25200K
Gemini 1.5 Pro$1.25$5.001M+
Gemini 1.5 Flash$0.075$0.301M

Preços are reference as of our . Always verify on the provider's official pricing page before budgeting.

Frequently Asked Questions

What is a token?
A token is a chunk of text the AI model processes. Roughly 1 token = 0.75 words in English. The word "Understanding" might be 1 token; "Unbelievability" might be 3 tokens. Tokens are fundamental to AI pricing and context limits.
Why do different models count differently?
Each model uses a different tokenizer. GPT-4 uses cl100k_base. GPT-3.5 and embeddings use similar. Claude uses its own tokenizer (similar counts, slightly different). Gemini uses Google's SentencePiece-based tokenizer (~1.3× GPT counts on average).
Is this 100% accurate for GPT?
Yes — we use the official gpt-tokenizer library that mirrors OpenAI's cl100k_base encoding. Matches tokens exactly.
Is Claude count accurate?
Approximate. Anthropic doesn't publish their tokenizer. Our Claude estimate is ~±5% accurate based on published characteristics. For exact Claude costs, use Anthropic's official count_tokens API endpoint.
Why are my prompts expensive?
Common mistake: sending full conversation history each turn. If you send a 5,000-token context + 500-token query 10 times = 55,000 tokens input billed. Reduce by summarizing history periodically.
Is my text uploaded?
Não. Tokenization runs in your browser. Your prompts, code, or proprietary content never leave your device.

Pontos-chave

  • AI Token Counter is a free, browser-based developer tool — count tokens for gpt-4, claude, gemini — with cost estimates.
  • Não signup, no downloads, no file uploads. Ferramentas run in your browser; the few that need an outside service say so on the page.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use AI Token Counter

  1. Open the tool: Launch AI Token Counter on Ferramentaolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

AI Token Counter — Quick Facts

Preço
Grátis — sem limites, sem marca d’água, sem paywall
Privacidade
Processado no seu navegador. Ferramentas que precisam de um serviço externo avisam isso na página. As visitas são contadas (Google Analytics).
Plataforma
Qualquer navegador moderno — desktop, tablet ou celular
Categoria
Desenvolvedor Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaAI Token Counter
CategoriaDesenvolvedor
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use AI Token Counter?

You should try AI Token Counter for a quick, private way to count tokens for gpt-4, claude, gemini — with cost estimates. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacidade. Esta ferramenta funciona inteiramente no seu navegador. Seus dados nunca são enviados a nenhum servidor.