Sam Altman announces limited preview of GPT 5.6 in move that echoes launch of Anthropic’s Mythos
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OpenAI is staggering the release of its latest AI model after a request from the US government, in a move echoing the launch of Anthropic’s Mythos product.
Sam Altman, the chief executive of the company behind ChatGPT, told staff this week that GPT 5.6 would be released in a limited preview to a small group of partners, according to the tech publication The Information.
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US authorities are getting decidedly twitchy about frontier AI models. Just a couple of weeks after ordering Anthropic to prevent foreign companies from getting hold of its latest release, Mythos/Fable 5, it’s been putting the squeeze on another AI company..
Now, the Trump administration is asking OpenAI to hold back on the general release of GPT-5.6, according to a report from Bloomberg.
OpenAI CEO Sam Altman reportedly told employees that the government is asking that the model be released only to a short list of trusted partners, initially 20, before being more widely disseminated.
Altman reportedly told staffers that the administration was getting nervous about the capabilities of the latest AI tools. It didn’t go as far as forbidding access to foreign users but it’s clear that the White House is looking to act as the power of the new models becomes more apparent.
The administration’s actions will undoubtedly cause some anxiety among AI companies, particularly in light of OpenAI’s
US authorities are getting decidedly twitchy about frontier AI models. Just a couple of weeks after ordering Anthropic to prevent foreign companies from getting hold of its latest release, Mythos/Fable 5, it’s been putting the squeeze on another AI company..
Now, the Trump administration is asking OpenAI to hold back on the general release of GPT-5.6, according to a report from Bloomberg.
OpenAI CEO Sam Altman reportedly told employees that the government is asking that the model be released only to a short list of trusted partners, initially 20, before being more widely disseminated.
Altman reportedly told staffers that the administration was getting nervous about the capabilities of the latest AI tools. It didn’t go as far as forbidding access to foreign users but it’s clear that the White House is looking to act as the power of the new models becomes more apparent.
The administration’s actions will undoubtedly cause some anxiety among AI companies, particularly in light of OpenAI’s
Anthropic’s Claude is gaining significant ground with paying consumers, according to credit card transaction data from Indagari, which analyses anonymised spending patterns across approximately 28 million US consumers. The data, covering weekly transactions from 2025 through May 2026, shows Claude’s paying consumer base and associated revenue growing roughly 75% since January 2026, with gains continuing […]
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It's been two weeks since Anthropic took its Mythos-class models offline after a Friday evening ultimatum from the Trump administration. The company sprang into action immediately, sending a barrage of executives to Washington, DC. But updates have been suspiciously lacking, with no resolution in sight.
Anthropic declined to comment multiple times this week about the state of the talks, saying there was no news to share. But the lack of news is the story here. After 14 days of high-intensity negotiations, nobody knows when or if Anthropic's most powerful AI models will come back, let alone whether President Trump could expand his order to m …
Read the full story at The Verge.
Alphabet's strategic investment in Anthropic highlights the potential for significant financial gains while hedging its position in the AI sector.
The post Alphabet’s stake in Anthropic could yield $210B if IPO hits $3T valuation appeared first on Crypto Briefing.