This repository collects prompts, system prompts, and instructions for large language models.
Llm Prices
llm-prices provides language model pricing data and makes it available through a JSON API.

About Llm Prices
llm-prices is a GitHub repository that holds pricing data for large language models from various vendors. The data is published as JSON through a current-prices file and a historical-prices file on www.llm-prices.com, which is hosted on Cloudflare Pages.
The data is kept in one file per vendor in the repository's data/ directory. A build script (scripts/build.py) generates the two public JSON files from those vendor files. Each price is given in USD per million tokens, with separate fields for input, output, and cached input pricing. Cached input pricing is null for models that do not offer it.
Key features
- Current prices JSON file with an updated_at date and model price list
- Historical JSON file listing all price records, including past changes
- Input and output prices per million tokens, in USD
- from_date and to_date fields showing when each price applies
- Cached input price field, set to null when not offered
- One data file per vendor, rebuilt into JSON with a script
- Prices are stated per million tokens, with clear units
- Historical records include start and end dates for each price
- Each vendor's data is kept in its own file
- All prices are listed in USD only
- Cached input pricing is null for models that do not offer it
- Updated JSON files must be regenerated with the build script after data edits
Llm Prices at a glance
- Website
- github.com/simonw/llm-prices
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Llm Prices FAQ
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