Bowman later edited his tweet and the following one in a thread to read as follows, but it still didn't convince the naysayers.

Learn how Claude 4’s advanced AI features make it a game-changer in writing, data analysis, and human-AI collaboration. Anthropic's Claude 4

Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.

Anthropic just unveiled its Claude Opus 4 and Claude Sonnet 4 models. Just like all other AI companies, Anthropic is working on AI agents that can work for you. This goes far beyond simply using a chatbot.

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to day-long collaborator.

Anthropic chief product officer Mike Krieger joins 'Squawk Box' to discuss the company's new gen AI model, issue around AI hallucinations, LLM competition, OpenAI's purchase of Jony Ive's design firm,