Model monthly LLM API cost from entered uncached input, cached input, output-token, tool-call, platform, evaluation, and comparison assumptions. The calculator never selects a provider, model, current rate, free allowance, cache eligibility, discount, region, or tax treatment.
Reviewed 2026-08-24
This LLM API usage-cost planning planning result is derived only from visible user-entered quantities, amounts, hours, rates, percentages, caps, and direct allowances defined by the calculator. It supplies no hidden current national price, legal outcome, medical conclusion, tax threshold, code decision, or provider promise.
This page answers what the entered inputs produce under the calculator's documented assumptions. It does not answer what a local provider will charge, approve, diagnose, finance, or guarantee.
Use the result to compare like-for-like scenarios, then replace placeholders with current project records, bids, supplier quotes, authority requirements, or qualified professional review before acting.
The calculator model for LLM API usage-cost planning follows this entered-scenario formula: multiply entered monthly requests by entered uncached input, cached input, and output tokens, apply the separately entered per-million rates, add entered tool-call, platform, other usage, and evaluation costs, then compare with an entered alternative monthly cost.
Example entered LLM API usage-cost planning scenario
The model calculates $20 uncached input, $2.50 cached input, $20 output, $20 tools, $250 evaluation, and $150 allowances for a $462.50 monthly total.
The modeled planning total is $462.50 and the modeled entered-comparison difference is $137.50; no provider recommendation is made.
Model a customer-support automation scenario from entered ticket volume, handling time, fully loaded human cost, measured or planned deflection, platform and usage fees, human oversight, and one-time implementation cost. No vendor, model, labor rate, deflection benchmark, savings outcome, or current price is built in.
Model an AI voice-agent scenario from entered call volume, handled share, minutes, provider usage rates, tooling, infrastructure, human review, and implementation cost. No vendor rate, containment result, call success rate, or staffing reduction is built in.
Model back-office workflow cost, retained human work, automated-item review, oversight, first-year benefit, shortfall, ROI, and payback from entered source-dated assumptions. No automation rate, wage, savings result, or platform price is built in.
Model post-deployment recurring and fully loaded cost per agent run and per entered accepted outcome. Acceptance and outcome value are entered assumptions; the tool does not measure accuracy, safety, risk, customer impact, or realized value.
Model sampled review, escalation, incident, evaluation, governance workload, usable team capacity, shortfall, FTE, utilization, and labor cost from entered source-dated assumptions. The result is not staffing advice or a risk-adequacy conclusion.
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CostSignals results are planning estimates based on the values you enter and the calculator’s configured assumptions. Verify current rates, rules, project scope, and quotes independently before making decisions.
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Optional scenario label only; it does not select a price.
Optional scenario label only; it does not select a rate or token policy.
Enter requests in the same monthly scope as all usage assumptions.
Enter only input tokens billed at the uncached input rate.
Enter only tokens eligible for the cached-input billing dimension under your source.
Enter billed output tokens per request.
Enter the uncached input rate from the named, dated source.
Enter the cached-input rate applicable to your workload and source.
Enter the output-token rate from the named, dated source.
Enter only tool calls billed separately from token usage.
Enter the applicable separately billed tool-call rate.
Enter a recurring fee not already included in usage rates.
Enter other documented monthly usage cost once, without duplication.
Enter recurring evaluation, QA, monitoring, and review hours.
Enter the fully loaded rate for evaluation and review work.
Enter a like-for-like comparison cost for the same workload and month.
Enter migration, integration, evaluation, and rollout cost for comparison payback arithmetic.
Name the source used for token, tool, fee, labor, and comparison assumptions.
Enter the effective or inspection date for the named source.
Optional URL for an external source; internal source names are allowed.
All figures shown are estimates based on average costs and may vary significantly based on your specific situation, contractor, materials, and local conditions.
Past results do not guarantee future outcomes. Individual results may vary significantly.
