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Grok 4.1
Grok 4.1 is now available to all users on grok.com, 𝕏, and the iOS and Android apps. It is rolling out immediately in Auto mode and can be selected explicitly as “Grok 4.1” in the model picker.
New
The latest blog posts to take off on Hacker News. 6,328 posts.
1682
Code execution with MCP for efficient agents
Learn how code execution with the Model Context Protocol enables agents to handle more tools while using fewer tokens, reducing context overhead by up to 98.7%.
1683
WeatherNext 2: Our most advanced weather forecasting model
The new AI model delivers more efficient, more accurate and higher-resolution global weather predictions.
1684
Replicate is joining Cloudflare
Replicate’s going to carry on as a distinct brand, and all that’ll happen is that it’s going to get way better. It’ll be faster, we’ll have more resources, and it’ll integrate with the rest of Cloudflare’s Developer Platform.
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What if you don't need MCP at all?
Got Bash and some code interpreter? Skip MCP.
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Three kinds of AI products work
The very first LLM-based product, ChatGPT, was just the ability to talk with the model itself: in other words, a pure chatbot. This is still the most popular…
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Anthropic’s paper smells like bullshit
offensive security & software engineering
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AMD GPUs Go Brrr
multi silicon ai is coming
1691
Structured outputs on the Claude Developer Platform
Structured outputs on the Claude Developer Platform guarantee API responses match your JSON schemas and tool definitions. Now in public beta for Sonnet 4.5 and Opus 4.1, this feature eliminates parsing errors and failed tool calls for production applications.
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AGI fantasy is a blocker to actual engineering
AGI is a harmful and wasteful fantasy that runs counter to the principles of efficient and effective engineering.
1693
Why Fei-Fei Li and Yann LeCun are both betting on "world models"
Gaussian splats, SIMA 2, JEPA and Genie 3 — and why “world model” now means three very different things at once.
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HipKittens: Fast and furious AMD kernels
multi silicon ai is coming
1695
SlopStop: Community-driven AI slop detection in Kagi Search
Your collective defense against AI-generated spam and content farms We made it our mission to prevent the web from becoming useless and a harmful space. That’s why today, Kagi Search introduces the first community-driven system to...
1696
GPT-5.1 for Developers
GPT-5.1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.
1697
IBM Patented Euler's 200 Year Old Math Technique for 'AI Interpretability'
IBM Slapped the Buzzwords 'AI Interpretability' on Generalized Continued Fractions and their Series Transformations and was awarded a Patent
1698
Disrupting the first reported AI-orchestrated cyber espionage campaign
A report describing a highly sophisticated AI-led cyberattack and how we disrupted it.
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Nano Banana can be prompt engineered for nuanced AI image generation
Nano Banana allows 32,768 input tokens and I’m going to try to use them all dammit.
1700
SIMA 2: An agent that plays, reasons, and learns with you in virtual 3D worlds
Introducing SIMA 2, the next milestone in our research creating general and helpful AI agents. By integrating the advanced capabilities of our Gemini models, SIMA is evolving from an instruction-follower into an interactive gaming companion.
1701
Marble: A Multimodal World Model
Marble, our frontier multimodal world model, is available to everyone starting today
1702
GPT-5.1: A smarter, more conversational ChatGPT
We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.
1703
How Much OpenAI Spends on Inference and Its Revenue Share with Microsoft
EDIT: I am updating this post to reflect that these numbers are based on accrual accounting, meaning that these amounts are from the quarters I am referencing. Anyone telling you otherwise is misinformed. As with my Anthropic exclusive from a few weeks ago, though this feels like a natural premium
1704
Anthropic invests $50B in US AI infrastructure
Anthropic is partnering with Fluidstack to build data centers in Texas and New York, creating roughly 800 permanent and 2,400 construction jobs.
1705
Fighting the New York Times' invasion of user privacy
OpenAI is fighting the New York Times’ demand for 20 million private ChatGPT conversations and accelerating new security and privacy protections to protect your data.
1706
Agentic pelican on a bicycle
The agentic loop—generate, assess, improve—seems like a natural fit for iterating on pelicans on bicycles.
1707
We ran over 600 image generations to compare AI image models
We benchmarked OpenAI gpt-image-1, Google nanoBanana, and Seedream across 600+ real-world photo edits, see latency, cost, and quality by task
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A new Google model is nearly perfect on automated handwriting recognition
A mysterious new model currently in testing on Google’s AI Studio is nearly perfect on automated handwriting recognition but it is also showing signs of spontaneous, abstract, symbolic reasoning.
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Spatial intelligence is AI’s next frontier
In 1950, when computing was little more than automated arithmetic and simple logic, Alan Turing asked a question that still reverberates today: can machines think?