AI Cost —Token Counter & Cost Calculator
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Every number behind your AI prompt. Free, no signup.
Artificial Intelligence
Developer Tools
Productivity
Tired of guessing how much your AI prompts cost? 7 free tools in one place — token counter, cost calculator, context window visualizer, monthly budget planner, throughput timer, and tokens↔words converter. Works with GPT-4o, Claude Sonnet, Gemini, Llama. Uses real tiktoken library for accurate counts. Includes a prompt optimizer that strips filler words to save tokens. Zero backend. Everything runs in your browser. No account, no data stored.
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