Meta's AI assistant built on the Llama model family, integrated across WhatsApp, Instagram and Facebook, also available on the web.
EssilorLuxottica reports Ray-Ban Meta smart glasses sold over 7 million units in 2025 — more than triple the prior pace — as Meta eyes 20M annual capacity.
ChatGPT
OpenAI's conversational assistant, launched November 30, 2022, which ignited the global generative AI wave — now powered by GPT-5 with agentic capabilities.
Claude
Anthropic's AI assistant, launched March 2023, known for long-context handling and coding — the current flagship is Claude Opus 4.5.
Gemini
Google's AI assistant, rebranded from Bard in February 2024, deeply integrated with Search and Workspace, now driven by Gemini 3.
Microsoft Copilot
Microsoft's unified AI assistant since November 2023, spanning Windows, Edge and Microsoft 365.