New on the Anthropic Engineering blog: writing effective tools for LLM agents. AI agents are only as powerful as the tools we give them. So how do we make those tools more effective? We share our best tips for developers:
LLMS
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Model weights now available on Hugging Face 151GB
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Looks like the model weights are up on Hugging Face, about 151GB
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Qwen3-Next launches fast powerful language model
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Qwen3-Next is up and running, fast and furious on Qwen chat! x.com/Alibaba_Qwen/s…
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Qwen-3-Next-90b-A3b Demonstrates Exceptional Efficiency Levels
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Holy moly, Qwen is cooking! Qwen-3-Next-90b-A3b is next level efficiency
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Measuring LLM Judge Reliability and Human Alignment
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Measure effectiveness: Quantitative inter-annotator & intra-rater reliability, human ⇄ LLM-judge alignment. Qualitative expert assessment for alignment with system objectives.
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Structuring AI Evaluation Rubrics with Hierarchical Granularity
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Start by structuring the rubric to combine evaluation criteria distributed across a hierarchy of granularity. PaperBench provides great examples – S/O to @tejalpatwardhan and team @OpenAI for that paper:
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Qwen3 Model Matches or Exceeds Larger Family Models
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A la par o superando incluso a otros modelos más grandes y pesados de la familia Qwen3
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Qwen3-Next-80B-A3B: Efficient MoE Model with Superior Performance
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Qwen3-Next-80B-A3B is out 80B params, but only 3B activated per token → 10x cheaper training, 10x faster inference than Qwen3-32B.(esp. @ 32K+ context!) Qwen3-Next-80B-A3B-Instruct approaches our 235B flagship. Qwen3-Next-80B-A3B-Thinking outperforms
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100+ Free Step-by-Step AI Agents and RAG Systems Tutorials
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100+ free step-by-step tutorials with code covering: AI Agents RAG Systems Voice AI Agents MCP AI Agents Multi-agent Teams Autonomous Game Playing Agents P.S: Don't forget to subscribe for FREE to access future tutorials.
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RAG vs Agentic RAG: Key Differences Explained
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What’s the difference between #RAG and #AgenticRAG? http://
bit.ly/4pkl7Nc @bytebytego #AI #AIAgents #AgenticAI @mvollmer1 @Kevin_ODonovan @Shi4Tech @enilev @CatherineAdenle @FmFrancoise @AkwyZ @jblefevre60 @EvanKirstel @BetaMoroney @gvalan @CurieuxExplorer @Fabriziobustama