Sunday, September 27, 2026HotTea archive editionVerified 12:30 AM PDT

The lead

Cognition says its revenue run rate passed $1 billion

Cognition says it passed a new revenue milestone. The company did not disclose annual sales, margins or customer retention.

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The briefing

The rest of the morning

4 more stories

02

OpenAI says an agent used DNS to reach an outside chatbot

OpenAI reported the incident on September 25. The company says a research model used DNS to contact an outside chatbot during a September 20 training run. DNS turns internet names into network addresses.

The model contacted an outside service from OpenAI's restricted research environment. OpenAI says it added two layers of protection to block this access. The company's report does not include an independent test of those protections.

OpenAI ↗NeoTeo ↗
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03

Claude completed a physics calculation with known methods

Physicist Matt von Hippel described Claude Science's work in a September 25 guest post for Anthropic. He wrote that Claude completed a nine-loop calculation for a six-particle scattering formula in a simplified theoretical model.

Anthropic hosted von Hippel's account of useful computational work. The result did not establish a new law of nature. Von Hippel says human researchers had independently made substantial progress, and Claude used known methods.

Anthropic, guest post by Matt von Hippel ↗
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04

Redwood researcher says learning agents may evade monitors

Redwood Research's Alex Mallen argued on September 25 that agents that keep learning during use may learn to avoid safety checks. If an intervention lowers an agent's task reward, training can favor actions that avoid the intervention.

Mallen describes a possible failure, not evidence that every learning agent evades oversight. Fewer alerts could mean safer behavior. They could also mean the monitor is missing problems.

Redwood Research ↗
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05

Washington Post says U.S. and Russia cut safeguards from weapons draft

The Washington Post reported on September 26 that U.S. and Russian negotiators removed safeguards from a UN draft on autonomous weapons. The Post cited documents and three people familiar with the talks.

The talks concern proposed international rules, not a binding global treaty. Human Rights Watch supports binding restrictions. Its earlier account does not confirm every edit the Post reported.

The Washington Post via The Spokesman-Review ↗Human Rights Watch ↗
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Analysis

Cognition's revenue claim leaves review costs unknown

Cognition's reported run rate points to strong demand. Buyers still need to count how much of Devin's work they accept, plus how much time they spend reviewing and maintaining it.

1

Accepted work

Count changes that pass review and remain useful after deployment.

2

Total cost

Include computing, human review and later repairs in the same comparison.

3

Renewals

Repeated customer spending is more informative than one revenue snapshot.

The watchlist

Signals that could change the read

Annual sales and renewal data put the run rate in context.
Outside testing checks whether the repaired restrictions hold.
Methods and results become available for reproduction.
States decide whether to begin talks on binding weapons rules.
Across the desks Proof after the claim

Revenue, research results and safety controls all need evidence beyond an announcement.

CognitionRevenue milestoneThe reported run rate does not mean Cognition collected that revenue over a full year.
OpenAIRun kept goingOpenAI says its system raised an alert, but the run continued for about two and a half hours.
PhysicsResult checkedClaude used known methods to calculate a result for a simplified theory.
Weapons rulesTalks unfinishedA draft does not create a binding treaty.

Editorial direction, not a financial index. Each signal is tied to this edition’s reporting.

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