OpenAI Is Jealous
OpenAI is responding to competition from Anthropic, which has recently gained significant traction with its AI models. Following Anthropic's announcements, OpenAI has introduced similar products, indicating a pattern of imitation. Despite OpenAI's larger user base and funding, Anthropic's focus on business clients has led to a higher valuation in private markets.
- ▪Anthropic's Claude Mythos Preview has raised concerns globally due to its potential cybersecurity threats.
- ▪OpenAI's new model, GPT-5.4-Cyber, was released shortly after Anthropic's announcement, showcasing a trend of following its rival's innovations.
- ▪Anthropic has reportedly reached a revenue rate of $30 billion a year, surpassing OpenAI's financial performance.
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| Original publisher | The Atlantic |
| Canonical URL | https://www.theatlantic.com/technology/2026/04/openai-imitating-anthropic/686975/?utm_source=feed |
| Publication time | 2026-04-28T09:00:00-04:00 |
| Retrieval time | 2026-04-28T13:09:31.920Z |
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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 ShareSave Listen−1.0x+Seek0:007:06OpenAI 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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