LLM Models — Topic Index

Reference catalog of language models across providers. Use when selecting a model for a task, comparing capabilities, or checking API availability.

Article	Summary	Source	Updated
wiki/llm-models/openai-model-catalog	All OpenAI API models: GPT-5.x, o-series reasoning, audio/realtime, embeddings, moderation	OpenAI API Docs	2026-04-17
wiki/llm-models/claude-model-catalog	Opus/Sonnet/Haiku 4.x — IDs, context windows, when to use each, API usage, Fast Mode	Claude Code system context	2026-04-17