There isn’t a single “No. 1 AI in the world,” as AI can be measured in various ways depending on the context (e.g., general intelligence, performance in specific tasks, or technological advancement).

AI systems & companies that are highly regarded for their achievements…

ChatGPT (OpenAI)

• Why it’s notable – ChatGPT, powered by GPT-4, is one of the most advanced conversational AIs available today. It excels in natural language processing and can perform a variety of tasks, from generating text to answering questions and assisting with creative work.
• Achievements – OpenAI’s models have garnered attention for their versatility and ability to mimic human-like conversation across many domains.

Google DeepMind

• Why it’s notable – DeepMind is known for its cutting-edge research in AI, including the development of AlphaGo, the AI that defeated world champions in the game of Go. More recently, DeepMind has been pioneering AI in healthcare, drug discovery, and solving complex scientific problems.
• Achievements – DeepMind’s AI has made significant breakthroughs in reinforcement learning, protein folding (AlphaFold), and optimizing energy use in data centers.

Baidu’s Ernie

• Why it’s notable –  Baidu’s Ernie is a large language model (similar to GPT) that is leading AI research in China. Ernie is designed to perform multiple tasks like natural language processing, image generation, and text-to-image tasks.
• Achievements – Ernie has made waves in the Chinese AI market and is an example of top-tier AI research outside of the U.S.

IBM Watson

• Why it’s notable – IBM Watson became famous after defeating human champions on Jeopardy! Watson has since evolved into an AI platform used in industries like healthcare, finance, and customer service.
• Achievements – Watson is known for its contributions to AI in business applications, especially in decision-making and analytics.

Tesla’s Full Self-Driving (FSD) AI

• Why it’s notable – Tesla’s Full Self-Driving system is one of the most ambitious AI projects in the automotive sector, aiming to revolutionize transportation through fully autonomous vehicles.
• Achievements – Tesla’s FSD has made significant advancements in computer vision, object recognition, and decision-making, although it’s still a work in progress.

Anthropic’s Claude

• Why it’s notable – Anthropic, founded by former OpenAI researchers, is developing Claude, a family of AI models focused on safety and alignment. They aim to build AI that is both powerful and aligned with human values.
• Achievements – Claude is gaining attention for its emphasis on safety and ethical considerations in AI deployment.

The “No. 1 AI” can depend on how you define it, in case by the most advanced conversational capabilities (like ChatGPT), strategic breakthroughs (DeepMind), or specialized systems (Tesla’s FSD). The leaders in AI development are OpenAI, DeepMind, Baidu, and IBM, with each excelling in different areas.