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Astral Codex Ten’s November 2026 links post collects commentary on AI risk, California flood forecasts, life without work, and other topics. The author warns that links may contain errors and notes that several forecasts and interpretations have not been independently verified.
Astral Codex Ten has published its November 2026 links roundup, featuring discussion of forecasts about rogue AI and California flooding, an essay on life without work, and a selection of online debates and curiosities. The author cautions that the links have not each been independently checked and says readers commonly identify two or three inaccurate or misleading links in a roundup.
Among the items with potential real-world implications, the post relays a forecast from Sentinel, described as an Astral Codex Ten grantee that forecasts global disasters. Sentinel is said to put the chance of a rogue AI exfiltrating its model weights at 25% over the next 12 months. That figure is a forecast, not evidence that such an incident has occurred or that the forecast has been independently validated in the post.
The roundup also cites a Sentinel-affiliated forecaster’s warning that California could have a much rainier-than-normal winter. The post reports a 2.5% chance of a “major flood,” then relays estimates from an AI forecasting system that the author asked to interpret that term: an 8% chance of flooding causing at least $10,000 in damage to at least 100,000 homes, and a 2% chance of that level of damage affecting at least one million homes. The post separately reports a 5% forecast chance of an ARkStorm this year, compared with a stated 1% baseline. These are forecasts and interpretations, not confirmed weather outcomes.
Other links range from an essay by Clara on how people might spend time in a world without productive work to commentary on UFO skepticism, Soviet acronym-based names and the lab-leak debate. The author also describes a reported NVIDIA agreement to buy Hugging Face for $12.9303 billion, presenting the exact figure as an emoji-related easter egg. The source excerpt does not provide independent confirmation or transaction details.
Forecasts Put AI and Flood Risks in View
The roundup places two very different kinds of forecast before readers: a potential AI security event and a high-impact California flood scenario. Neither should be read as a report that the event has happened. Their value is as estimates of possible future risks, and the post’s flood discussion illustrates how a broad label such as “major flood” can produce different interpretations when translated into specific consequences.
The figures may attract attention, but readers need to keep their limits in view. The post does not supply the forecasting methods, track records in detail, or definitions behind every probability. In particular, the damage thresholds for the California scenarios come from an AI system asked by the author to operationalize a separate forecast. That makes attribution and distinction between the original forecast and the author’s follow-up estimates important.
The other entries matter in a different way: they point readers toward arguments about how social life could change if AI reduces the need for paid work, and how online communities are represented by outsiders. The roundup is therefore a collection of leads and commentary, not a single investigation or a set of settled conclusions.
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A Monthly Collection With Caveats
Astral Codex Ten’s “Links” posts gather items the author finds worth sharing, along with short reactions and links to outside writing or discussion. This format means the entries can mix reported developments, forecasts, commentary and jokes. The November post explicitly tells readers not to assume that every linked claim has been checked by the author.
The author says commenters typically spot evidence that around two or three links per post are wrong or misleading, and says corrections are made as they are noticed. That is the author’s account of the roundup’s past correction process, not a quantified independent audit. The warning is particularly relevant here because some entries contain numerical forecasts, while others use irony, speculation or personal interpretation.
Several items are framed as related links rather than standalone reports. For example, the discussion of life without work summarizes Clara’s argument that societies with people largely freed from productive labor have often spent much of their time on social competition and status. The post’s author adds a concern about how AI might affect those status contests. Those points are an essay’s thesis and the author’s response, not established predictions about a future economy.
“I haven’t independently verified each link.”
— Astral Codex Ten author
Forecast Methods and Deal Details
The roundup does not provide enough detail to independently evaluate Sentinel’s AI forecast or the California precipitation and flood probabilities. It is unclear what models, assumptions, definitions or calibration records underpin each figure. The author’s AI-generated estimates are presented as an attempt to make “major flood” more specific; the post does not establish that those estimates are adopted by the original forecaster or by public agencies.
The source excerpt also leaves questions about several other claims. It gives no further evidence for the reported NVIDIA-Hugging Face purchase agreement, its status or terms beyond the stated price and the author’s explanation of the number. The item concerning the Satmar Rebbes and President Trump is similarly brief, and the excerpt does not provide sourcing or additional details. The linked articles and posts would need to be consulted to verify those accounts.
Finally, the supplied source text ends partway through its final numbered entry, about an article on natural law. It is not possible from the excerpt to determine the full discussion or whether further entries followed.
Readers Can Check Linked Sources
The author says corrections will be made as readers identify problems, with important corrections highlighted later. Readers seeking to assess the forecasts should consult Sentinel’s original forecast, the affiliated forecaster’s wording and the underlying materials for each probability, rather than treating the roundup’s summaries as official warnings.
For the California discussion, relevant updates would include seasonal outlooks, local flood advisories and any explanation of how the stated risks translate into specific locations or preparation guidance. The roundup itself does not announce a policy decision, forecast deadline or confirmed event. Its near-term next step is the ordinary one for a link collection: further scrutiny, corrections if needed, and developments from the sources it cites.
Key Questions
What is the November 2026 post?
It is an Astral Codex Ten links roundup collecting commentary and links on topics including AI forecasts, California flood risk, work, UFOs and online debates.
Does the post say a rogue AI has exfiltrated its weights?
No. It reports a 25% forecast chance over the next 12 months from Sentinel. The roundup does not report that an exfiltration has occurred.
Are the California flood probabilities official warnings?
The post presents them as forecasts and estimates, including additional figures generated by an AI system at the author’s request. It does not establish that they are official public-agency warnings.
How reliable does the author say the links are?
The author says the links have not all been independently verified and that commenters typically identify around two or three wrong or misleading links per roundup. That is the author’s description, not an independent audit.
What happens if a link is found to be wrong?
The author says corrections are made as they are noticed, with important corrections highlighted later. The post does not specify a schedule for those updates.
Source: astralcodexten.com
