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AI Safety

884 summarised stories about AI Safety, each linking back to the original source. Browse all topics →

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Wednesday, 23 September 2026

Claude Opus 5.5: The System Card

Zvi (Don't Worry About the Vase) 3 weeks ago 22 ● 3 sources

Claude Opus 5.5’s system card lays out updated classifier and evaluation results, including claims about its cyber strength and evidence on alignment-risk and R&D capabilities. METR’s preliminary AI R&D estimate is about 1.5X overall acceleration from AI, with roughly a 30% chance of 2X. Anthropic says it will adjust how it tests biology by dropping “helpful-only” versions and otherwise relies on largely the same oversight/safeguards while deploying Opus 5.5 to the public with cyber controls.

Trump’s China rivalry and “AI race” delusion may endanger US, experts say

Ars Technica 3 weeks ago 19 ● 12 sources

The US and China began talks on an AI safety governance framework, but Trump–Xi cooperation is uncertain amid escalating rivalry. Scott Bessent said the sides discussed a new AI safety notification mechanism ahead of the Thursday and Friday meeting. If China agrees, the countries could share alerts on unpredictable or threatening AI behavior, but current export controls, chip curbs, and recent US accusations could block a reliable system.

Bernie Sanders proposes banning ‘superintelligence’ and putting violators in prison

The Verge 3 weeks ago 50

Sen. Bernie Sanders and Rep. Greg Casar introduced legislation to ban anyone from developing artificial superintelligence. The bill would allow penalties of up to 20 years in prison for violations. If enacted, it would prohibit superintelligence development and also pause the development of advanced AI systems.

How ‘Effective Altruism’ went from fringe philosophy to Trump's AI villain

Fortune 20 ● 10 sources

Trump administration officials have publicly attacked Effective Altruism as an ideology they link to AI-risk alarmism and efforts to push for AI regulation. A Politico poll found 63% of Americans believe AI poses at least a moderate risk of destroying humanity. The backlash appears to be increasing anti–AI doomer sentiment and could either discredit Effective Altruism or give it a bigger public platform.

Sam Altman’s remarks at the United Nations Security Council

OpenAI 3 weeks ago 32 ● 23 sources

Sam Altman told the United Nations Security Council about AI safety, maintaining human control, and the need for international cooperation. The article provides no specific date, benchmark, or number. This shifts discussion toward coordinated global AI governance rather than announcing a new product, policy, or technical result.

Americans Fear AI Will Make the World Worse, Love It Anyway

404 Media 3 weeks ago 40 ● 125 sources

Gallup and Microsoft found that Americans are among the few surveyed where negative emotions about AI outweigh positive ones. The study polled people in 37 countries, with a median of 81% aware of AI but only 43% using it daily. The results suggest adoption and trust track together in some places, while the US largely doesn’t follow the global pattern and shows widespread worry alongside optimism.

Introducing MentalHealthBench

OpenAI 3 weeks ago 45

MentalHealthBench was introduced as an expert-informed benchmark for evaluating helpful and safe AI responses in realistic mental health conversations. The article does not provide any numeric benchmark, date, or other concrete figure. This changes how developers can measure and compare AI response quality for mental health dialogue, though the piece itself contains only a brief description.

Muse is having a moment

Platformer 3 weeks ago 45 ● 10 sources

AI safety discussions have moved from a niche Bay Area focus into mainstream attention, prompting commentary about warnings coming from within AI labs. No specific date or numerical figure is provided in the article text. The shift increases pressure on U.S. leaders and AI labs to act, even as some political figures are described as uninterested in regulating AI.

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