CheyX checks the cost before you run it.

Paste a task, pick an output size, and see which AI model is cheapest, strongest, or worth paying extra for.

AI prices keep changing. Free weekly digest. Unsubscribe anytime.

Subscribe free →

Your prompt

Paste the main task. Add supporting docs below if they are part of the context.

Add supporting docs Optional text context

Upload text files Or paste document text

Ready to compare models.

Characters 0

Input tokens 0

Words 0

Expected answer size

Use case

Providers

Pricing mode

Output tokens 0

Local currency

Show beside USD 1 USD equals

Local currency is optional. USD is still used for provider pricing.

Add a custom model

Name Input $ / 1M tokens Output $ / 1M tokens

Model comparison

Sorted from cheapest estimated run to most expensive.

Compare outputs

Cheapest -

Estimated run $0.0000

Compared 0 models

Monthly projection

How many times will you run this prompt per day?

Runs per day 100

Detected objective -

Recommended pick -

Recommended run $0.0000

Paste a prompt to get a model recommendation.

Decision mode

Results

Showing the top 5 cheapest matches.

Model	Recommended for	Input	Output	Estimated total

Cost history No history yet

Token counts use the cl100k tokenizer when available, otherwise a character heuristic. Real bills can vary with provider tokenizers, cached tokens, tools, images, reasoning, batch discounts, and context caching.

CheyX is a planning tool. It estimates cost and fit before you spend real tokens.

For companies

Need help estimating AI costs at scale?

Talk to CheyX about team usage, model selection, or keeping AI spend predictable before it turns into a surprise bill.