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Interactive Activity
LLM Tokenizer & Cost Calculator
Language models read text in chunks called tokens. Learn how prompts are parsed, estimate prompt costs across different LLM platforms, and simulate how adding RAG reference manuals affects operating budgets.
1. Text Input & Tokenizer
Type a query. Large Language Models convert text characters into integer tokens before processing.
Alternating Token Highlighting (42 Tokens)
What·is·the·late·fee·on·our·checking·accounts?·I·want·to·waive·a·$35·fee·from·my·balance.
Words19
Characters89
Tokens42
2. RAG Context Manual Bloat
Simulate appending credit union reference manuals to the prompt. Injecting extensive manuals increases token inputs exponentially.
3. Active Prompt Cost Calculator
GPT-4o (OpenAI)Fast
Total Tokens: 420.001605 / execution
Claude 3.5 Sonnet (Anthropic)Ultra-Fast
Total Tokens: 420.002376 / execution
Llama 3 70B (Open-Source Host)Standard
Total Tokens: 420.000143 / execution