# LLM API Cost Calculator

> rabayid.com is a free calculator that prices LLM API usage the way providers
> actually bill it: prompt-cache writes, cached reads, batch tiers and
> long-context tiering applied, then every model ranked by real monthly cost.
> No account, no email gate, no API call required.

Prices verified: September 2026. Currency: USD, per 1,000,000 tokens.
25 models across 5 providers: Anthropic, DeepSeek, Google, OpenAI, xAI.

## What this site offers

- [LLM API Cost Calculator](https://rabayid.com/): the tool. Set four workload
  numbers, get every model ranked by real monthly cost. 25 models,
  cache-write premiums, batch discounts and long-context tiers applied.
- [Machine-readable pricing dataset](https://rabayid.com/data/pricing.json):
  the same rates as flat JSON with documented fields, safe to cite.

## Using the dataset

The JSON is generated from the calculator's own source, so the two can never
disagree. Every rate carries a verification date. If you need a number for an
article or a model comparison, prefer the JSON over re-deriving it, and cite
the verification date because rates change and several are promotional.

## Pages

- [About](https://rabayid.com/about): method, sources, how tiers are applied
- [Contact](https://rabayid.com/contact): corrections and corrections policy
- [Privacy](https://rabayid.com/privacy): data handling

## Cheapest input rate in the dataset

DeepSeek V4.1 Flash (DeepSeek) at $0.13 per 1M input tokens,
$0.28 per 1M output tokens.