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EstimatorCalculatorSessionPricing
© 2026 Calcis · LLM cost estimates before you run anything.
EstimatorModelsCalculatorSessionPricingAPIHow it worksChangelogGitHub ActionThe idea behind Calciscalcis.dev@gmail.com

Session cost simulator

See how conversation costs compound across turns, or analyse what your context file costs per call.

12550
Example analysis
CONTEXT.md
3K tokens · 11.4 KB
Cost per call
ModelPer call3,000 / mo
Claude Haiku 4.5$0.002847$8.54
Claude Sonnet 4.6$0.008541$25.62
Claude Opus 4.6$0.0142$42.71
GPT-4o$0.007118$21.35
GPT-4o mini$0.000427$1.28
100 calls/day on Sonnet
$25.62
Fits all major models
Yes
Cheapest fit
GPT-4o mini
Yearly on Sonnet
$307.48

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