Assistant is an instant chat application powered by the best LLMs (Large Language Models) on the market. It makes it possible to take advantage of the most advanced AI, whether they are “proprietary” models (owned by companies or organizations) or open source models. Enjoy a smooth and efficient experience with: GPT 5, GPT-4.1 and GPT4o (OpenAI), Mistral Large (Mistral), LLama 3 (Meta), Claude 3.7 Sonnet (Anthropic).