AI Model Cost Comparison Calculator

Compare per-request costs for two models using rates you supply.

Lower cost for this workload
Model B
Model A $0.01
Model B $0.01
Cost difference $0.01
Inputs
Rates and amounts use this currency. No foreign-exchange conversion is applied.
Enter the provider/model label.
tokens
Expected input tokens in this workload.
tokens
Expected output tokens in this workload.
currency / 1M tokens
Model A input rate in selected currency.
currency / 1M tokens
Model A output rate in selected currency.
Enter the provider/model label.
currency / 1M tokens
Model B input rate in selected currency.
currency / 1M tokens
Model B output rate in selected currency.
Results & Graph
Lower cost for this workload
Model B
Model A
$0.01
Model B
$0.01
Cost difference
$0.01

Side-by-side cost for the same workload

Graph 1 • Same-workload cost Domain-specific illustration generated from the active calculator inputs.
Model A$0.01Model B$0.012,000 input + 800 output tokenssame workload • user-entered rates
Graph 2 • Unit-cost comparison Components follow the units and rates entered above.
Model A 0.01 USD Model B 0.005 USD
Graph 3 • Cost difference curve Illustrates how output responds as the workload scales.
0USD 0.5USD 1.1USD Model A: 0.01 USD 0.0 Model A Model B: 0.005 USD 0.0 Model B
Summary: Model B is lower by $0.01 for this workload.
Summary: Model B costs $0.01 for the entered workload. Compare equivalent outputs and verify current provider rates.
⚠️ Rates are supplied by you and are treated as currency per million tokens. This comparison does not measure response quality or latency.

Formula & Mathematical Methodology: AI Model Cost Comparison Calculator

Cost = Input Tokens × Input Rate / 1,000,000 + Output Tokens × Output Rate / 1,000,000
Cost = Input Tokens × Input Rate / 1,000,000 + Output Tokens × Output Rate / 1,000,000
  • I,O: Input and output token counts
  • pᵢ,pₒ: Input and output price per million tokens

Rounding: Displayed values are rounded for readability; calculations retain full floating-point precision.

Worked Example: Compare two models on one 2,000-in / 800-out request

Compare rates $2/$8 and $1/$4 per million input/output tokens.

  1. Compute each model’s input cost.
  2. Compute each model’s output cost.
  3. Add both components and compare the same workload.
Result: Model B is less expensive for this example workload.

Frequently Asked Questions

Does the cheaper model give the same answer quality?

This calculator compares price only. Evaluate quality and latency on your own workload.

Developer Tools • AI & LLM Guide

How to Use the AI Model Cost Comparison Calculator: Practical Guide & Visual Analysis

Enter an equivalent workload and the current per-million token rates for each model to compare cost. Whether you are researching compare llm api prices, cheapest ai model cost, model token pricing comparison, ai api price comparison, this interactive tool helps you compare two model rate cards for the same input and output token workload.

Interpreting the 3 Custom Visual Graphs & Key Outputs

As you adjust Display Currency, Model A Name, Input Tokens, Output Tokens, the calculator immediately computes Primary result, Supporting calculation metrics, Three calculator-specific visualizations and updates all three domain-specific SVG charts in real time. Instead of relying on a single static figure, you can inspect the primary domain diagram, component breakdown, and multi-point trajectory curve to see how changing your inputs shifts the final result. Use the Compare (up to 3 scenarios) button to evaluate side-by-side variations before making a decision.

Real-World Benchmark & Planning Tips (Global; user-entered values, assumptions and currency)

In our benchmark scenario (Compare two models on one 2,000-in / 800-out request), Model B is less expensive for this example workload. Keep in mind that rates are entered by the user and apply to the full workload. For related calculations in Developer Tools, explore LLM API Monthly Budget Calculator, API Token Cost Calculator, LLM Batch API Savings Calculator.