Our new system adds several innovations. One is a practical application of interpretability: a probe that can see Claude’s internal activations helps to screen all traffic. These activations are like Claude’s gut instincts, and they’re harder to fool.
GENERATIVE AI
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New AI Classifier Training Method Prevents Dangerous Misuse
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Last year, we introduced a new method for training classifiers (which stop AIs from being jailbroken to produce information about dangerous weapons). These classifiers were trained using a constitution specifying requests to which Claude should and shouldn't respond.
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Anthropic’s Constitutional Classifiers Advance Jailbreak Protection
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New Anthropic Research: next generation Constitutional Classifiers to protect against jailbreaks. We used novel methods, including practical application of our interpretability work, to make jailbreak protection more effective—and less costly—than ever.
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GPT-5.2 Pro Achieves Milestone on Erdos Mathematical Problems
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Milestone in AI tools applied to Erdos problems, with GPT-5.2 Pro:
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AI Productivity Gains Require Disciplined Debt Management
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Generative AI can boost developer productivity by up to 55%, but rushing deployment can pile up serious technical debt. Clear guardrails, disciplined debt management, and responsible AI training are essential to avoid costly system failures. https://
mitsmr.com/4mKf9mL @mitsmr -
Databricks Palantir Integration Accelerates Secure AI Use Cases
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Together, Databricks + @PalantirTech are accelerating high-impact AI use cases and outcomes. In this walkthrough, Benjamin Abood and @chadwahl break down how the integration enables: – Secure, bidirectional data federation with minimal data movement
– Unified governance using -
Open AI Models Drive Innovation Across Industries Globally
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“When AI is open, it proliferates everywhere.”
— NVIDIA AI (@NVIDIAAI) 9 janvier 2026
Jensen Huang explains why open models are fueling the AI revolution, activating innovation across industries, startups, researchers, students, and countries worldwide.
Learn more about our open models → https://t.co/aj6HvOH0jZ pic.twitter.com/oCvZpMWNCD“When AI is open, it proliferates everywhere.” Jensen Huang explains why open models are fueling the AI revolution, activating innovation across industries, startups, researchers, students, and countries worldwide. Learn more about our open models → https://
nvda.ws/49pHhXj -
Model Quality Focus Before Wide Deployment Strategy
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focus and utilization – we want to get one model at the best quality of service before going wide
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Codex Improves Long Context Management Capabilities
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codex has gotten very good at long context management:
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Google Integrates Gemini 3 into Search with Generative UI
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In case you missed it, our latest Google AI: Release Notes episode is out! Google Search VPs Robby Stein and Rhiannon Bell join @OfficialLoganK to deep dive into the integration of Gemini 3 into Search.
— Google AI (@GoogleAI) 9 janvier 2026
Chapters:
– Intro
– What is Generative UI?
– From static to generative… pic.twitter.com/XuNh8apRt7In case you missed it, our latest Google AI: Release Notes episode is out! Google Search VPs Robby Stein and Rhiannon Bell join @OfficialLoganK to deep dive into the integration of Gemini 3 into Search. Chapters:
– Intro
– What is Generative UI?
– From static to generative