Z.ai Unmasks Mystery 'Ox Alpha' Model as GLM-5.3-Flash
Chinese AI firm Z.ai confirmed its anonymous "Ox Alpha" model was GLM-5.3-Flash, releasing the open-weight, multimodal model under an MIT license.
Read more →Large Language Models
A large language model (LLM) is an AI system trained on vast amounts of text to understand and generate human language. LLMs power ChatGPT, Claude, Gemini, and most modern AI assistants. This hub collects news and explainers on how LLMs work, how they are trained, and how the leading models compare.
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Thomson Reuters Launches Thomson, Its Own Legal AI Model
Thomson Reuters launched Thomson, a proprietary AI model trained on its legal and news archives and built atop Alibaba's open-weight Qwen model, first powering CoCounsel Legal's document review.
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What Is Data Labeling — and Why Does AI Still Need Humans?
Data labeling is the human work of tagging text, images, and audio so machine learning models can learn from them — and AI still can't fully do it alone.
Read more →AI Models Recover Only 3–15% of Research Ideas, Study Finds
A new benchmark testing seven frontier AI models found they could reconstruct a scientific paper's core idea from its pre-publication bibliography alone only 3-15% of the time.
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What Is GPT — and How Is It Different From ChatGPT?
GPT is OpenAI's family of language models; ChatGPT is the chatbot app built on top of one. Here's what separates the engine from the product.
Read more →Nvidia Releases Nemotron 3.5 Lightning to Cut AI Agent Costs
Nvidia has released Nemotron 3.5 Lightning, an open 30-billion-parameter AI agent model, plus NeMo Switchyard, a router that cuts task costs to about a third of using Opus 4.8 alone.
Read more →DeepSeek Raises API Prices Up to 12x With Peak-Hour Billing
DeepSeek will begin peak and off-peak API pricing on August 16, raising some DeepSeek-V4-Pro rates by up to 12 times as demand for its models surges.
Read more →DeepSeek Quietly Ships V4 Pro 0813 to Mixed Reviews
DeepSeek's flagship model exited preview on August 12 with sharp gains on coding and agent benchmarks, but only middling scores on general reasoning tests, and no formal announcement.
Read more →OpenAI's GPT-5.6-Cyber Reaches 'High' Cybersecurity Threshold
OpenAI released GPT-5.6-Cyber, a restricted-access model for vetted security researchers that it rates 'High' for cyber capability — one step below its 'Critical' threshold.
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What Is a Knowledge Cutoff — and Why Doesn't AI Know Recent Events?
A knowledge cutoff is the date after which an AI model has no training data — here's why every chatbot has one, and how it gets around it.
Read more →Thinking Machines Releases Inkling-Small, Outperforms Larger Model
Thinking Machines Lab's second open-weight model needs a quarter of its predecessor's active parameters yet edges past it on reasoning and coding benchmarks.
Read more →GPT-5.6 Sol Rewrote OpenAI's GPU Kernels, Cutting Serving Costs 20%
OpenAI says its GPT-5.6 Sol model autonomously rewrote the GPU kernels behind its inference stack, cutting serving costs 20% and helping fund an 80% price cut for the lightweight Luna tier.
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What Is Chain-of-Thought Reasoning — and How Does AI 'Think'?
Chain-of-thought reasoning is the technique that gets an AI model to work through a problem step by step before answering — and it now powers today's advanced reasoning models.
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What Is a Cybersecurity Foundation Model — and Why It Matters
A growing number of AI models are trained specifically for security work — hunting vulnerabilities, triaging alerts, simulating attacks. Here's what makes them different from a general chatbot.
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What Is Natural Language Processing — and How Does It Differ From an LLM?
NLP is the decades-old AI field that teaches computers to read, understand, and generate human language — and the discipline modern LLMs like ChatGPT actually practice.
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What Are Embeddings — and How Do They Let AI Understand Meaning?
Embeddings turn words, images, and other data into numbers a computer can compare — the quiet technology behind AI search, recommendations, and chatbot memory.
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What Is Poolside? The AI Startup Behind the Laguna Coding Models
Poolside is a startup that builds AI models trained specifically to write and fix code, then gives the weights away for free. Here's who is behind it and how the models work.
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What Is a Foundation Model — and How Is It Different From an LLM?
A foundation model is a large AI system trained on broad data that can be adapted to many tasks — the base layer under chatbots, image generators, and coding tools alike.
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What Is Claude Opus 5? Anthropic's Cheaper Frontier AI Model
Claude Opus 5 is Anthropic's new mid-tier AI model — nearly matching flagship Fable 5's performance at half the token price. Here's what it is and what it costs.
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What Is a Vision-Language-Action (VLA) Model — and Why It Matters
A vision-language-action (VLA) model turns a camera feed and a plain instruction directly into a robot's movements, replacing separate perception and control systems with one model.
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What Is Claude Fable 5? Anthropic's Flagship AI Model, Explained
Claude Fable 5 is Anthropic's most capable publicly available AI model. Here's what it is, how it differs from Claude Mythos 5, and what it costs to use.
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