AI dev
Token counts and the cost of a prompt before you send it.
01Tools2026-10-16Updated
AI token counter
Free LLM token counter and API cost calculator. Paste text to count tokens with OpenAI's tokenizers and estimate input and output cost across GPT, Claude, Gemini, and other models.
- Paste your prompt or file
- Pick models and expected output
- Compare cost per request and per month
In
Prompt text or a text file, selected models, expected output tokens, requests per day, and a cached-input share.
Out
Token, character, and word counts, a token boundary preview, and a cost table per model.
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