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OpenAI GPT–6 Astra breaks Enigma message that has resisted solution since 2005
On September 15, 2026, Carter Leffer sought validation for breaking the German Army Enigma message MVUEH from July 10, 1941. This message, sent by radio station 2ny and received by SS-Totenkopf Quartiermeister, Ib, at 17:30, was logged as Nr. 172. Since 2005, the MVUEH message has resisted all attempts at decryption, but it was successfully broken by OpenAI GPT-6 Astra.
This marks the first time an AI, OpenAI GPT-6 Astra, has successfully decrypted an Enigma message that has resisted human and computational efforts since 2005.
Time & source
Times shown in UTC
Display time zone: UTC
Local time zone unavailable; showing UTC.
IngestedOffset at this time: UTC+0Sep 22, 2026, 16:01 UTC
- Ingested
- Sep 22, 2026, 16:01
- Source type
- Unclassified
- Basis
- Running about 6.0× the median of this source's recent listed items
- Metric comparison
- 561 vs median 93 (20 baseline samples)
- Detected
- 09/22, 18:01
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