Petri is open-source and available now: http://
github.com/safety-researc
h/petri
… Read the full technical report: https://
alignment.anthropic.com/2025/petri
OPEN SOURCE
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Petri Open-Source AI Safety Research Tool Released
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Anthropic Open-Sources AI Audit Tool for Claude Sonnet 4.5
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Last week we released Claude Sonnet 4.5. As part of our alignment testing, we used a new tool to run automated audits for behaviors like sycophancy and deception. Now we’re open-sourcing the tool to run those audits.
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Hugging Face Transformers: Managing 1M Lines Python Code
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With 1,000,000+ lines of Python and 400+ models How do we keep @huggingface Transformers sane? > Our design tenets: one-model-one-file, modular shards, minimal API, no breakage Peek under the hood on one of the biggest and most-used open ML codebases out there
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AI21 Labs Welcomes IBM Granite 4.0 Mamba-Transformer Model
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Congrats @IBM on the release of Granite 4.0! We’re so excited to welcome another Mamba-Transformer model to the mix – and we’ve officially added it to our Mamba timeline. Watch this space over the next few days. #AI #Mamba #Jamba #Granite4 #IBM
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Different paradigms and audiences for proprietary versus open-weight models
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We will see! They are both different paradigms and target different audiences (proprietary vs open-weight, unless they change it with V4).
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EU-funded TildeOpen LLM brings European AI multilingual breakthrough
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EU-funded TildeOpen LLM delivers European AI breakthrough for multilingual innovation | Shaping Europe’s digital future https://
digital-strategy.ec.europa.eu/en/library/eu-
funded-tildeopen-llm-delivers-european-ai-breakthrough-multilingual-innovation
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#digitaleu #AI #innovation #technology @DigitalEU @elaniazito @ArturHabant @CurieuxExplorer @Shi4Tech @BetaMoroney @Fabriziobustama -
Transformers Shape Language Patterns Like Marbles
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We say “Transformers predict the next word,” but really what’s happening is: They’re reshaping a whole field of relationships until the pattern feels stable – like a marble rolling down until it rests in the lowest valley. That “valley” is the lowest-entropy shape of language –
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Zhipu AI AMA on LocalLLaMA Community First
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i have been saying it since july there's a reason the first ever AMA we ran on r/LocalLLaMA was with Zhipu AI
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Vibe Coding: Unusual Approach to AI-Assisted Programming
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This is from a unusual sample (people who posted about vibe coding online): https://
arxiv.org/pdf/2510.00328
v1
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Multi-agent home renovation team with Gemini 2.5 Flash Nano
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Build a multi-agent home renovation team with Google ADK and Gemini 2.5 Flash Nano Banana.
— Shubham Saboo (@Saboo_Shubham_) 6 octobre 2025
Just upload your room photo, design inspiration and budget to get a complete renovation plan with material, cost, timeline, and an after image of your new room.
100% Opensource code. pic.twitter.com/sj7oVzuHpnBuild a multi-agent home renovation team with Google ADK and Gemini 2.5 Flash Nano Banana. Just upload your room photo, design inspiration and budget to get a complete renovation plan with material, cost, timeline, and an after image of your new room. 100% Opensource code.