Every token. Every dollar.

Put a price on your token usage.
Compare Claude, GPT, and Gemini in seconds.

Your token usage

Enter the total tokens for your session.

Press M, B, or T to change units. Use ↑ / ↓ to move to the next whole number.

Use totals for one model. For sessions with mixed pricing, you can enter your own rates.

USD $

Estimated total cost

$24

for this session · 2 million tokens total

Input cost$4$4 / 1M tokens
Output cost$20$20 / 1M tokens

Standard, uncached text pricing.

Use your own rates

Company discounts

Set your company's percentage discount for each provider. Use ↑ / ↓ for whole percentages.

Applies to published input and output rates. Custom model rates take precedence. Saved on this device.

Same tokens. Different costs.

Compare your usage across models. Select one to see the breakdown.

9 models
Model pricing and estimated cost for your entered token usage. Rates in USD per one million tokens.
ModelInput / 1MOutput / 1MYour cost

Costs are rounded to the nearest dollar. Estimates use uncached tokens. Include billed reasoning / thinking tokens in your output count. Caching, tools, media, taxes, and special processing tiers are excluded. Session totals use standard context rates; use custom rates for sessions with mixed or long-context pricing.

Straight from the source.

Base API rates checked October 17, 2026; Claude Fable 5.1 checked October 18, 2026. This catalog is a snapshot; it does not fetch live prices.

What the estimate includes

Standard paid text input and output in USD. This is a manual calculator, not an account usage tracker or a subscription price comparison.

Larger prompts

GPT-6 models: above 272,000 input tokens, the whole request uses 2× input and 1.5× output rates. Gemini 3.1 Pro Preview: above 200,000 input tokens, rates are $4 input / $18 output per million.

Introductory Gemini rates

Gemini 4 Argon: $2 / $10 through Nov 30, 2026, then $4 / $20. Gemini 3.8 Flash: $0.75 / $3.75 through Dec 31, 2026, then $1.50 / $7.50. The calculator switches on the announced end dates (UTC).

Custom rates replace tier and promotional rates for that model, and are saved on this device. Check your provider for model limits and any negotiated or regional pricing.