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A glossary written for practitioners, research summaries, and language models compared on price, limits and capabilities, with a source and a date next to every number.

259glossary terms
179articles
62models priced
next-token-prediction.py

Glossary

259 terms · A–Z

Definitions first, then how it works, worked examples, formulas and code.

LLM API pricing

62 models · 5 vendors

Per-token prices from each vendor's own page, with cache, batch and long-context rates.

Models

7 model cards · 6 comparisons

Context windows, limits and capabilities, with the source behind each value.

Tools

Token counter · cost calculator

Count the tokens in your prompt, then see what a month of traffic costs on every model.

LLM changelog

20 changes · last Sep 15, 2026

Model launches, price changes and retirements, each linked to the vendor's notice.

News and research

179 articles

Pricing news, research summaries and applied machine learning explainers.

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AI in business

AI in Healthcare (2026): What Works, What the Evidence Shows, and Where It Fails

AI in healthcare is the use of artificial intelligence for medical tasks, from reading scans and drafting clinical notes to predicting which patients will deteriorate and designing new drugs. By 2026, the field has moved past the initial…