What is Token?

The small piece of text an AI model reads and writes — often part of a word. Prices and limits are counted in tokens. In English 1 token is about 4 characters; Korean, Japanese and Chinese usually use more tokens per character.

AI glossary

LLM (large language model)Context window Prompt Fine-tuning RAG (retrieval-augmented generation)Embedding Parameters (7B, 70B…)Quantization Open weights Hallucination Multimodal Diffusion model AI agent Inference Benchmark