PromptSpend — LLM API cost calculator for GPT, Claude and 80 models

Estimate and compare what an AI feature will cost across 80 models. Paste your prompt, see every bill side by side — from prices re-checked every morning.

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Estimate and compare what an AI feature will cost across 80 models. Paste your prompt, see every bill side by side — from prices re-checked every morning.

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