Free Tool

LLM Cost Calculator

Estimate your monthly LLM API spend instantly. Pick a model, enter your usage — see the numbers and potential savings right away.

Your Usage
Monthly volume
API calls30,000
Input tokens15,000,000
Output tokens6,000,000
Estimated Cost
Monthly cost
$97.50
$3.25 / day · $1.2k / year
Cost breakdown
Input (2.5/1M tokens)$37.50
Output ($10/1M tokens)$60.00
TokenTune Optimization
With prompt caching, model routing, and batch optimization, typical savings are 30–50%.
Save $29.25$48.75/mo
estimated with TokenTune optimizations applied
Get a precise audit →

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Model Pricing Referenceprices per 1M tokens, approximate as of 2025
ModelProviderInput / 1MOutput / 1MRatio
GPT-4oOpenAI$2.500$10.001:4.0x
GPT-4o-miniOpenAI$0.150$0.601:4.0x
Claude 3.5 SonnetAnthropic$3.000$15.001:5.0x
Claude 3 HaikuAnthropic$0.250$1.251:5.0x
Gemini 1.5 ProGoogle$1.250$5.001:4.0x
Gemini 1.5 FlashGoogle$0.075$0.301:4.0x
Prices are approximate and subject to change. Check each provider’s pricing page for current rates. Selected model highlighted in amber.
Next Step

This estimate is just the start

A precise audit maps your real traffic to actual savings opportunities — prompt caching, model routing, batching, and retry waste. Most teams find 30–50% savings within 2 weeks.

Get a precise audit — $2,500 →
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