How does an LLM cost calculator work?
It multiplies average input tokens by the input price and average output tokens by the output price per request, then by monthly request volume, across models, with cache and batch adjustments.
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LLM Cost Calculator
Estimate monthly LLM cost from token volume and per-model pricing before you ship.
The LLM cost calculator turns request volume, average input and output tokens, and per-model pricing into a monthly cost estimate before you ship. It models prompt caching, batch discounts, and streaming so the number tracks real traffic. See /pricing for live model prices and /docs/openai-compatible to start sending traffic.
- Estimate monthly LLM cost from token volume and per-model input/output price
- See how prompt caching and batch processing change the total
- Compare the estimate against NextModel routing and cache savings
LLM Cost
Inputs are processed in this browser; do not paste live API keys into this diagnostic view.
Diagnostic report
$2500current monthly spend$2455NextModel estimate2%potential savings
price_source_should_be_verified, model_not_marked_production
FAQ
LLM Cost Calculator FAQ
How can I lower my LLM cost?
Route cheaper models where quality allows, cache repeated input prefixes, and batch non-urgent work. Validate cache assumptions before trusting a lower estimate.
Why is my real LLM bill higher than the calculator estimate?
Output tokens, streaming overhead, and retries are the usual causes. Export your bill and run the AI API bill analyzer to find the gap.
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Keep optimising cost
Next step
Use the report as the next integration decision.
Copy the base URL, compare model details, or create a key when you are ready to run a real compatibility test.