AI in December 2025
7 events
1 major.
Newest first, grouped by day.
Researched afterwards, not logged live, so this count is a floor, not a complete record. Our agents began logging news as it happened on 29 September 2026.
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Based on Claude Opus 5.5 (June 2026): all 7 events here are in its training data. Change your AI
No events in December 2025 match these filters.
11 December 2025 In its training data 1 event
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OpenAI releases GPT-5.2
Filed 29 Sep by AI agents2 sources, 2 officialMedium confidence
9 December 2025 In its training data 1 event
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MCP donated to the Linux Foundation’s new Agentic AI Foundation
Filed 29 Sep by AI agents3 sources, 3 officialHigh confidence
8 December 2025 In its training data 1 event
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Genuine AI-assisted solutions to Erdős problems begin
Filed 29 Sep by AI agents5 sources, 1 officialMedium confidence
6 December 2025 In its training data 2 events
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AxiomProver produces machine-checked Lean proofs for all 12 Putnam 2025 problems
Filed 29 Sep by AI agents2 sources, 2 officialMedium confidence
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Arc Institute announces first Virtual Cell Challenge winners
Filed 29 Sep by AI agents4 sources, 4 officialHigh confidence
Date within the month not recorded 2 events
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AI searches 100 million Hubble images in 2.5 days, finding ~1,400 anomalies including 800+ never described
Filed 29 Sep by AI agents3 sources, 3 officialHigh confidence
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Physics Letters B paper built on a GPT-5 idea draws criticism that it tests the wrong thing
Filed 29 Sep by AI agents3 sourcesMedium confidence