OpenAI limits GPT-5.6 rollout after government request, says restrictions shouldn't be norm

Reviewed byNidhi Govil

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OpenAI unveiled its next-generation GPT-5.6 models—Sol, Terra, and Luna—but only a select group of government-approved partners can access them. The Trump administration requested the restricted release over cybersecurity concerns, marking a shift in how frontier AI models reach the market. OpenAI says this shouldn't become standard practice.

OpenAI Restricts GPT-5.6 Release to Government-Approved Partners

OpenAI is limiting the release of its newest AI models to a "small group of trusted partners" at the behest of the US government, the company announced Friday

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. The next-generation GPT-5.6 lineup includes Sol, its flagship model; Terra, a more balanced model for everyday use; and Luna, a faster, lower-cost option

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. Although Sol represents the company's most powerful model to date, the Trump administration has restricted the release of all three variants. OpenAI confirmed the preview is limited to partners "whose participation has been shared with the government"

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Source: CCN.com

Source: CCN.com

According to sources, Commerce Secretary Howard Lutnick called Sam Altman to warn him against releasing GPT-5.6 to the public without prior approval from government agencies

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. The agencies that requested a limited release were the Office of the National Cyber Director and the Office of Science and Technology Policy

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White House Pressure Creates Uncertain Environment for AI Labs

The administration's government request comes as the White House puts new pressure on AI companies to restrict their most advanced systems. After Anthropic released its most powerful public model Fable 5, the administration ordered the company to remove access for any foreign national, prompting Anthropic to take the model down entirely

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. The Trump Administration's request for OpenAI and Anthropic to limit availability on their most advanced AI models creates an uncertain environment for other US AI labs

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Source: PYMNTS

Source: PYMNTS

Earlier this month, President Trump signed an executive order that aimed to address safety concerns of powerful new AI models. The executive order on AI said the White House would create a "voluntary process" for AI labs to share their models with the government 30 days ahead of a broader release

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. However, OpenAI executives said no such voluntary framework exists yet, leaving frontier AI labs in a peculiar interim period where working with the US government on model launches doesn't seem voluntary at all

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Dean Ball, a former White House AI advisor and soon-to-be OpenAI employee, argues the executive order has created a de facto involuntary licensing regime for frontier model development, leading to heavy-handed restrictions

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. The problem compounds when the government doesn't have clearly defined safety standards, which could lead to endless launch delays that might not only give a hand to China in the AI race, but also jeopardize the billions of dollars going to AI infrastructure buildouts

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OpenAI Pushes Back Against Long-Term Regulatory Scrutiny

While OpenAI did as the administration asked this time around, the AI firm made it clear it wasn't happy with the arrangement. "We don't believe this kind of government access process should become the long-term default," reads a Friday blog post. "It keeps the best tools from users, developers, enterprises, cyber defenders, and global partners who need them"

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. OpenAI is not happy about this restricted release, according to a person familiar with the company's thinking, but believes the delay and government approval process is only temporary

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OpenAI called the preview a "short-term step" that will put GPT-5.6 on the path to broader availability in the coming weeks, as the company works with the administration to develop a new executive order framework on cybersecurity, as well as a "repeatable process for future model releases"

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. OpenAI plans to broaden the set of customers it can share GPT-5.6 with next week, including some international partners

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. Executives for OpenAI said that it can't share details of how exactly the White House is approving these customers—the company just sends the US government a list, and then gets feedback on it

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GPT-5.6 Sol Delivers Enhanced Agentic Capabilities and Cybersecurity Features

OpenAI says GPT-5.6 Sol is its strongest model yet, with improved agentic capabilities in coding, biology and cybersecurity

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. Sol introduces a "max" reasoning effort mode and an "ultra" mode that uses coordinated subagents to solve highly complex tasks

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. The company says it's especially skilled at coding, cybersecurity, and biology, as well as staying focused during long-horizon agentic AI tasks

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GPT-5.6 excels at several benchmarks, says OpenAI, including being slightly better at coding workflows than Anthropic's Claude Mythos 5, which the Trump administration also effectively banned this month

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. OpenAI says GPT-5.6 Sol is also competitive with Mythos preview in benchmark performance, but uses a third of the output tokens

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GPT-5.6 comes in three sizes with tiered pricing: Sol costs $5 per million input tokens and $30 per million output tokens; Terra costs half that; and Luna costs $1 and $6, respectively

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. Per million tokens, GPT-5.6 Sol is priced at nearly half the cost of Anthropic's Claude Fable 5, which is $10 input / $50 output

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Source: Geeky Gadgets

Source: Geeky Gadgets

Robust Safety Stack Addresses Cybersecurity Concerns

To assuage any fears of its powerful new AI models being unsafe, OpenAI says Sol includes its most robust security stack yet

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. It is heavily hardened against adversarial attacks and intentionally optimized to favor defensive cybersecurity work over offensive exploits. In other words, it's designed to be hard to jailbreak, while prioritizing showing users how to defend against exploits, rather than how to hack into systems

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OpenAI also says its safety guardrails are built directly into the core model's behavior, rather than relying on a separate filter on top of it

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. The company said Sol has dedicated "approximately 700,000 A100e GPU hours" to automated red-teaming and also worked with third-party testers, the latter of which will continue to test it for the next two weeks

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The firm is likely trying to avoid the trap that caught Anthropic with Fable 5. In the brief moments when Fable 5 was available, whenever the model's classifiers detected a high-risk topic—like cybersecurity, biology, or chemistry—it wouldn't just block the prompt; it would route the request to an older model

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Industry Experts Warn of Broader Implications for AI Policy

The increasing advancement of AI models has the White House scrambling to prevent them from falling into the wrong hands. This is especially true as it continues to compete with rival China for supremacy

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. Although the U.S. has taken steps like export controls to slow Beijing's progress, many industry leaders believe that it's only a matter of time before the East Asian country catches up

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However, this move has got some industry experts concerned. Neil Chilson, Head of AI Policy at think tank Abundance Institute and former FTC Chief Technologist, said in their blog: "...this escalation of government intervention is nothing to celebrate. It is horrible for the broader AI ecosystem. Continued arbitrary, unexplained deployment of export control authority will make companies slow-walk new models, depriving the public of powerful new tools"

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