OpenAI Is Jealous
OpenAI is increasingly mirroring Anthropic's product and business strategies as the latter gains ground with enterprise clients and high-profile AI tools. After Anthropic's success with Claude Code and its controversial Claude Mythos, OpenAI has launched similar offerings like GPT-5.4-Cyber and intensified its focus on enterprise AI. Despite OpenAI's consumer-first approach and higher public profile, Anthropic's business-focused model has led to a higher private valuation and faster revenue growth. Internally, OpenAI appears concerned, shifting resources toward enterprise solutions and away from consumer experiments.
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TechnologyAnthropic’s Little BrotherOpenAI is racing to catch up to its greatest rival.By Matteo WongIllustration by Matteo Giuseppe Pani / The AtlanticApril 28, 2026, 9 AM ET ShareSave OpenAI does not like to be left out. The week after Anthropic announced Claude Mythos Preview—an AI model that has put governments around the world on edge because of its potential ability to hack into banks, energy grids, and military systems—OpenAI shared a program that is uncannily similar. And just like Anthropic did with its model, OpenAI has, for cybersecurity purposes, restricted access to this new bot, called GPT-5.4-Cyber, to a small group of trusted users.This sequence has become something of a pattern: First Anthropic will make an announcement, and then OpenAI will follow suit.
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