Report · tomshardware.com
OpenAI CEO Sam Altman says it's "quite terrible" for your PC to have RAM — Sam Altman says data centers offer better utilization

tomshardware.com
Source published October 30, 2026
Summary: 1 min read
36/100
Summary
OpenAI CEO Sam Altman said distributing large amounts of DRAM across personal computers is inefficient while memory supplies are constrained, arguing that cloud data centers can use the hardware more intensively. In an interview with YouTube channel Cheeky Pint, Altman described local AI inference and home computers holding DRAM that may be used only 5% of the time as “quite terrible” from a global allocation perspective. Altman said maximum cloud utilization is preferable when DRAM is supply-constrained, challenging expectations that people will increasingly run open-source AI models on PCs they already own or build. OpenAI’s main business relies on closed-source models operated in data centers, although the company also has open-source models. Local AI could allow some users to rely less on subscriptions to cloud-hosted models if their own hardware is powerful enough to run comparable software. The interview also covered recently disclosed PHP vulnerabilities, sandboxing AI models during training, and OpenAI’s mathematics research.
Key Takeaways
- Sam Altman said that DRAM concentrated in data centers can be utilized more efficiently than DRAM distributed across home PCs that may be idle much of the time.
- Altman characterized local AI inference and underused DRAM in personal computers as inefficient during a supply-constrained period for memory.
- OpenAI primarily operates closed-source AI models in data centers, while also offering some open-source models.
- Running AI models locally could reduce some users’ dependence on subscriptions to cloud-hosted AI services if they own sufficiently capable hardware.
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