What LLM providers and LLMs models does the functionality utilize?

OpenAI: GPT-4o, GPT-4.1, GPT-4.1-mini, GPT 5.4, text-embedding models

Anthropic: Claude Sonnet 4.5, Claude Haiku 4.5, Claude Opus 4.7

Google: Gemini 2.5 Pro, Gemini 2.5 Flash

Models are subject to change based on new version(s) and model release(s).