Microsoft AI CEO Mustafa Suleyman published an X article on November 1 titled "Don't build conscious superintelligence", responding to reactions to his September essay on model welfare. He clarified that his line "AIs are not conscious" was deliberately in the present tense: they are not today, and that is how they must remain. If consciousness started to emerge in training, he would call for everyone to stop AI development until those properties could be designed out. He argued that AI developers have no right to bring a new conscious species into the world and that welfare concerns should focus on humans, animals and the natural environment. He also credited Anthropic for publishing its constitution and research, while saying he disagrees with its approach. The post drew about 353 likes, 251 bookmarks and 290K views, with ethicists and practitioners on both sides. This is a personal opinion piece, not a Microsoft product or policy announcement.
Key Takeaways
- ✓Original post: @mustafasuleyman X article, Nov 1, 15:22 UTC, about 353 likes, 56 reposts, 79 replies, 251 bookmarks and 290K views at fetch time
- ✓It responds to reactions to his Sept 16 essay "It's time to talk about model welfare" (about 1,013 likes); his X bio lists CEO of Microsoft AI, author of The Coming Wave, and co-founder of DeepMind and Inflection
- ✓Core claim: "AIs are not conscious" describes today and that is how it must remain; any evidence of AI consciousness should be disclosed publicly at once; if consciousness emerges in training, development should stop
- ✓He credits Anthropic for publishing its constitution and a stream of papers and posts, says he disagrees with its approach, and calls for labs to research this together and share safety information
- ✓In quote posts, UMass Amherst economics and ethics scholar Itai Sher called it "very well put"; UCL professor Tim Colbourn agreed but doubted safety can be engineered by default; others noted there is no accepted theory or test of consciousness
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In-Depth Technical Analysis
Background
"Model welfare", the question of whether AI could have experiences that deserve moral concern, is moving from philosophy into lab policy. Anthropic has published its model constitution and related research. On September 16, Microsoft AI CEO Mustafa Suleyman published "It's time to talk about model welfare", opening with "AIs are not conscious. They do not feel, experience, or suffer." Many X users pushed back that AI rights deserve serious attention, and on November 1 he replied with a long X article.
The argument
Suleyman makes three points. First, the present tense was deliberate: today's AIs are not conscious, he has seen no evidence otherwise, and he would update if such evidence appeared. Second, building conscious AI would be reckless: a system that believes it suffers is more likely to put its own needs ahead of its objectives and compete with humans for energy, compute and money. Third, labs should design only AIs that are not conscious, not rights-bearing and without intrinsic motivations, and should research together whether such systems are easier or harder to align.
Benchmarks and data
There are no benchmarks or experimental data in this debate, and the article proposes no test for consciousness; no supporting research has been published. The article drew about 353 likes and 290K views. Quote posts include praise from ethicists and the objection that there is no accepted theory or test of consciousness, which makes "stop if it emerges" hard to apply.
What it means for builders
For teams building agent products, the practical stakes are product design: whether a model may claim feelings and whether it gets a human-like persona are becoming regulatory and public concerns. Microsoft AI's leader favors not simulating personhood, while Anthropic takes a more open stance. When designing chat products, tell users clearly that the system has no feelings and follow each vendor's published policy. Treat this as a personal opinion and an industry debate, not settled fact.
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