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Glossary
/// Definition

GPT-5

GPT-5 is OpenAI's frontier large language model as of 2026.

In depth

GPT-5 is OpenAI's flagship LLM with strong reasoning, tool use, structured outputs and multimodal support. In production teams pair it with retrieval, evals, prompt caching and cost ceilings.

Related terms

RAG (Retrieval-Augmented Generation)LLM (Large Language Model)GLI-19Class II gamingClass III gamingRNG (Random Number Generator)Server-drawn bingoKYC (Know Your Customer)
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