Brian Wang Elon Musk says that Anthropic’s Claude Sonnet model has 1 trillion parameters and Claude Opus has 5 trillion parameters. XAI’s Grok 4.20, which has 0.5 trillion parameters and there are seven larger models being trained at XAI. Grok Imagine V2 — Elon Musk (@elonmusk) April 9, 2026 Claude Mythos is probably Mythos 10 trillion parameters. Brian Wang Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology. Known for identifying cutting edge technologies, he is currently a Co-Founder of a startup and fundraiser for high potential early-stage companies. He is the Head of Research for Allocations for deep technology investments and an Angel Investor at Space Angels. A frequent speaker at corporations, he has been a TEDx speaker, a Singularity University speaker and guest at numerous interviews for radio and podcasts. He is open to public speaking and advising engagements. Categories