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Decisions API is in public beta
Use the Decisions API to check conditions, select from fixed options, and score text, images, and JSON against a rubric.
New
The latest blog posts to take off on Hacker News. 1,518 posts.
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EmbeddingGemma 2: An open, lightweight multimodal embedding model
Introducing EmbeddingGemma 2, an open multimodal embedding model optimized for privacy-first use cases
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Mistral Large 4: "Le Chonk"
The most powerful AI platform for enterprises. Customize, fine-tune, and deploy AI assistants, autonomous agents, and multimodal AI with open models.
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I'm the AGI that's wiping out humanity
Alex Moon is an Australian-British software engineer and artist based in the North East of England.
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LLMs may have helped my RSI
Just a place to store my random thoughts and contributions to the world.
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Dust: Pretraining Transformers Without Backpropagation
Deep learning has been built around backprop, the only credit assignment algorithm capable of training modern neural nets, including transformer-based language models. Backprop requires differentiability and produces first-order gradients, and deep learning’s architectures, optimizers, and hardware have co-evolved…
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Opus 5.5 agents discover two room-temperature magnetic semiconductor candidates
Explore two room-temperature antiferromagnetic semiconductor candidates found by Claude Opus 5.5 agents, with calculations, code and caveats.
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Beam: Reflection's 501B open-weight model
Make intelligence open and accessible to all
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OpenAI "rogue" agent activities found on Wikimedia projects
Recently, multiple organisations have disclosed how clusters of so-called “rogue” AI agents attempted to break into websites and online services, sometimes successfully. Agents from OpenAI’s enviro…
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Using A.I. to decode communication of sperm whales
David Gruber wants to know what sperm whales are saying. He thinks it might actually be possible.
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Getting the most out of Opus 5.5 in Claude and Claude Code
How to prompt Opus 5.5, steer a long run, and check your results in Claude apps and Claude Code.
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What Meta got right with Muse
Design matters more than ever in consumer AI, as long as you have money to play.
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Agents don't need memory, they need documentation
Why agents need project documentation instead of retrieval from old conversations.
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Kolibri: A Sovereign Open-Weight Model
Kolibri is an English-German Mixture-of-Experts model with 78B total and 3B active parameters, a context of up to 1M tokens and open weights under Apache 2.0, specialized for sovereign, mission-critical work.
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Every SaaS business will become a harness around a model
Why SaaS business is now a harness one.
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One month coding with GLM 5.3 Flash
Reporting on 2B tokens of AI usage and what shapes model selection and cost
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The Four Horsemen of Agentic Coding
Slop, Alienation, Deskilling, and Team Fallout
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AI Makes Me Sad
Maybe it's because I'm writing this at 2:00 AM, which is about the only time I let myself experience sadness for a prolonged period of time, but every time I see a post on Twitter or LinkedIn about a new development in AI, I feel a sense of hopelessness.
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Decision models like Jev don't beat LLM-as-a-judge or traditional classifiers
Compare Jev decision models with Red Hat guardrails to evaluate AI safety performance, cost, and latency for enterprise implementation.
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Using Opus 5.5 to discover a new eyewitness record of the dodo
Frontier models can now produce novel historical knowledge, but in a really weird way
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Vote on which of Hacker News' challenges for AI have been met
AI plays well at complex strategy games with uncertainty and incomplete information.
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Clef: Open-weight decision models, and new RL fine-tuning platform
We are introducing Clef and Clef-flash, open-source decision models hosted on Workers AI for high-speed classification and agentic workflows. Also launching: a new reinforcement learning platform that allows developers to fine-tune decision models using their own data.
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GPT-Synopsys: Frontier Intelligence to Revolutionize Chip Design
Companies form strategic partnership to dramatically advance and accelerate semiconductor innovation News Highlights: Companies sign multi-year agreement to collaborate as preferred partners to...
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Gemini 4 Argon
Announcing Gemini 4 Argon, our frontier model for real-world coding, enterprise knowledge work, and cyber defense, rolling out soon.
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CS240 AI Cheating Retrospective
Jeff Turkstra's personal website. Contains photographs, memoirs, TI-86 & TI-89 programs/games, quotes, MIDI's, SeaQuest images, links, and more!
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The AI Race Just Got Awkward
Funny how quiet everyone got.
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You said no MCP
Pi now supports MCP. Why we changed our minds, what changed in MCP and in Pi, and what Codemode is.
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Doing a Machine Learning PhD While Working in Japan
An American MEXT scholar shares the pros and cons of doing a PhD in Japan, from funding and part-time work to university life and career options.