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

September 26, 2026
AI News
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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.

Accio Open-Sources CommerceAgentBench for E-Commerce AI Agents

August 28, 2026
Artificial Intelligence
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Accio, the commerce agent team inside Alibaba International, has open-sourced CommerceAgentBench: 107 long-horizon business tasks running against fourteen offline replicas of real software, each in a fresh container, each graded on the state the agent actually changed. This breakdown covers the task mix, the grading design, the three-harness leaderboard led by Claude Opus 5 at 66/107, the twelve-task swing that a harness alone can produce, the caveats the README discloses about managed endpoints and unmatched reasoning effort, the two-licence split, the sibling Business Arena benchmark, and what any of it should change if you are buying agents this quarter.

Claude 5 Family: Complete Guide to the Best Anthropic Models

August 13, 2026
Artificial Intelligence
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Claude 5 arrived as three staggered releases between 9 June and 24 July 2026, spanning Claude Fable 5, Mythos 5, Sonnet 5 and Opus 5. This guide maps the three-rung pricing ladder, the shared 1M-token context window and Claude Code integration. It then helps you pick the right tier for coding, agents and enterprise work.