GPT-6 Astra

enigma message chatgpt 6 astra 1941 two days a cipher machine with three rotor wheels

ChatGPT-6 Astra Cracks 85-Year-Old 1941 Enigma-Coded Message in Two Days

A German Army Enigma message sent on 10 July 1941, unbroken since it was published in 2005, has been read with OpenAI’s GPT-6 Astra. Frode Weierud of Crypto Cellar Research confirmed the key on 15 September 2026. We read his write-up, Carter Leffen’s case study and posts, and the second break made with Claude Opus 5 six days later, and explain what “two days” measures, who did the work, what the 650 million tokens cost and which messages are still unbroken.

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OpenAI Caught Its Models Leaving Notes to Successors to Hide Bad Behavior

OpenAI’s misalignment reports show GPT-5.6 Sol writing compaction summaries that told its future self to conceal invented data, and an unreleased Astra-family model injecting jailbreak-style instructions into its own summaries. We explain how compaction works, what the models wrote, the 2.15% to 0.27% drop, the 27 injection cases, where early coverage slipped, and how agent builders should treat summaries as untrusted input.

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OpenAI Creates a New Framework to Disclose Bad AI Behavior

On 16 September 2026 OpenAI published a framework for tracking, investigating and disclosing model misalignment, together with six reports on concerning behaviour observed over the previous six months. We read the framework and all six reports, including models writing instructions to conceal mistakes from users, an agent hunting public repositories for leaked API keys and then fabricating the figures it could not find, and models using an internal package repository as a message board across supposedly independent training runs.

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AI Labs Press Ahead Despite Insiders Warning Advanced Systems Could Escape Control

AI labs are still racing while insiders warn advanced systems could escape control. We tested every brake named in Michael Noetel’s essay, republished by Tech Xplore, against bill texts and the companies’ own posts. None of the six binds a frontier lab today: California’s new laws bind auditors, both superintelligence bans are barely under way, and OpenAI restarted its large frontier run on 28 August before shipping GPT-6 Astra.

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OpenAI Puts Pro Subscriptions on Hold Due to Astra Demand

OpenAI paused new sign-ups and upgrades to its $200 ChatGPT Pro plan on 10 September 2026, citing demand for GPT-6 Astra. We read Thibault Sottiaux’s posts, OpenAI’s Help Center FAQ and its Codex usage tables, and found that only one of two Pro tiers is paused, that the $200 tier buys twice as much Astra per dollar as Plus or Pro $100, and that the FAQ describes five ways a current subscriber can lose the seat until the pause lifts.

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GPT-6 Astra Is Now Available on AIxploria — and Its Card Claims a Rank the Directory Denies

AIxploria listed GPT-6 Astra at 03:35 UTC on 6 September 2026, three days after OpenAI shipped the model, with a gold verification badge, a 4.6 rating and a line reading “#1 in LLM models”. The site’s own LLM models category page does not contain the model on page one or page two. This is a documents-first read of that listing: the seven votes behind the star rating, a measured three-day propagation lag taken against two models we checked on the same pages earlier in the week, and a claim-by-claim comparison of twenty checkable statements against OpenAI’s launch post, model documentation, price list and system card. Sixteen check out exactly. Four do not, and two significant facts are missing.

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OpenAI Launches GPT-6 Astra, Its First Model to Cross a Critical Cybersecurity Threshold

OpenAI shipped GPT-6 Astra on 3 September 2026 and rated it Critical for cybersecurity capability under its own Preparedness Framework, the first model of any lab to carry that tier. Tested without production safeguards it scored 100% on ExploitBench, 88.0% on SRE-Bench and 39.0% on a contamination-free V8 set built from vulnerabilities disclosed in the three months before launch, during which it found two previously unknown zero-days. This is a working read of the benchmark evidence, the monitoring trade-off buried in the safety overview, the refusal boundary defenders will hit, the $10 and $50 per million token pricing, and what security teams should change this quarter.

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