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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 Social Media (2026): How Algorithms, AI Content and Moderation Really Work

AI in social media means the machine-learning systems that decide what appears in your feed, the automated tools that decide what gets removed, and the generative models that now make a growing share of the posts, videos and ads…