Analyze text tokenization for different AI models and calculate API costs.
Hop to nearby dev utilities without losing context.
Quick steps so you can get results fast.
Paste the text you plan to send, including any system prompt.
Characters, words, lines and the estimated token count update as you type.
Use the per-model cost and context-window figures as a rough guide.
For exact counts, use the provider's own tokenizer or the token usage reported by the API.
Everything you need to know about Token Counter.
Answers to the most common devtool questions.
Each model family uses its own tokenizer, and code, numbers and non-English text tokenize very differently from English prose. Treat this as an order-of-magnitude estimate.
Prices are hard-coded in the tool and providers change them often. Check the provider's pricing page before budgeting.
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