✏️ AI Prompt Tokenizer & Cost Estimator – Calculate Tokens and API Expenses

AI Prompt Tokenizer & Cost Estimator

How the AI Prompt Tokenizer & Cost Estimator Works

This calculator helps you determine how many tokens your prompt will consume and estimate the cost of each API call for popular models like GPT, Claude, Gemini, and more.

  1. Paste your prompt text – the tool will approximate the number of tokens in your text.
  2. Select your AI model/API – choose from the dropdown list to apply the correct pricing.
  3. Enter expected completion length – in tokens, for estimating total cost per request.
  4. Optionally specify requests per day and days per month – to calculate daily and monthly expenses.
  5. Click β€œCalculate” – the calculator will show:
    • Estimated token count for your prompt
    • Total tokens per request (prompt + completion)
    • Cost per request
    • Estimated daily and monthly costs if specified

Use this calculator to avoid exceeding token limits and to plan your AI API spending accurately.

πŸ“Š AI API Token Pricing & Context Limits – Compare Popular Models

Model/API Prompt Cost per 1K tokens Completion Cost per 1K tokens Max Context (tokens)
GPT-4o (OpenAI) $0.005 $0.015 128,000
GPT-3.5 Turbo (OpenAI) $0.0015 $0.0015 16,000
Claude 3 Opus (Anthropic) $0.015 $0.03 200,000
Claude 3 Sonnet (Anthropic) $0.003 $0.006 200,000
Gemini 1.5 Pro (Google) $0.0025 $0.0025 1,000,000
DeepSeek LLM $0.0018 $0.0018 32,000
Perplexity API $0.003 $0.003 32,000
Grok API (xAI) $0.004 $0.004 32,000