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AI Token & LLM API Cost Calculator

Estimate prompt token counts and compare monthly API costs across Claude 4.5, GPT-5, Gemini 2.5, DeepSeek, and Local LLMs.

Prompt Token Counter & Monthly Volume

~42 Tokens

Paste Sample System Prompt or Context

24 words • 166 characters

Input Tokens / Call

Output Tokens / Call

API Calls / Month

2026 LLM API Monthly Cost Comparison 28.0M tokens/mo

Model	1M In / Out	Est. Monthly

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