Built for LLM developers & AI enthusiasts
AI & LLM Calculators
Token counts, model memory, API costs, context windows — everything you need when working with large language models.
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Token Calculator
Estimate token count from text length for any LLM model.
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Model Size Estimator
Calculate how much GPU memory a model needs based on parameter count.
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API Cost Estimator
Estimate LLM API costs based on token usage across major providers.
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Context Window Calculator
See how much text fits inside an LLM's context window.
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Compute Units Converter
Convert between FLOPS, TFLOPS, PFLOPS and GPU-hours.
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