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Statement on US government directive to suspend access to Fable 5 and Mythos 5
The US government has issued an export control directive suspending all access to Fable 5 and Mythos 5 by foreign nationals inside or outside the US.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 762 posts.
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Claude Fable 5
Today we’re launching Claude Fable 5: a Mythos-class model that we’ve made safe for general use.
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Claude Opus 4.6
We're upgrading our smartest model. Across agentic coding, computer use, tool use, search, and finance, Opus 4.6 is an industry-leading model.
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GPT-6 Astra
Introducing GPT-6 Astra, our most intelligent and aligned model yet, with state-of-the-art capabilities across computer use, coding, cybersecurity, and science.
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Kimi K3: Open Frontier Intelligence
Kimi K3 is the world's first open 3T-class model — frontier performance across coding, knowledge work, and reasoning, with native multimodality and 1M context.
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Introducing System One Models and Jev
TypeSafe AI is an AI lab building machine-native intelligence infrastructure for automation, designed to make decisions within software. Try our first System One Model, Jev, in early access.
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Claude Opus 4.7
Claude Opus 4.7 is now generally available, with notable gains over Opus 4.6 in advanced software engineering and the most difficult tasks.
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Google releases Gemma 4 open models
Our most intelligent open models, built from Gemini 3 research.
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Claude Opus 5.5
Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.
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GPT-6 Sol and Luna
Meet GPT-6 Sol and Luna, two models that bring frontier intelligence to everyday work with different balances of capability and cost.
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Claude Opus 5
Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.
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Claude Opus 4.8
Claude Opus 4.8 brings stronger performance across coding, agentic tasks, and professional work, and the consistency to handle long-running work.
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We're releasing the weights of Mistral Large 4
The weights of Mistral Large 4 (Le Chonk) are now open. A 1T parameter multimodal model, and best open-weight model for coding, trained in Europe.
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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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OpenAI and Hugging Face address security incident during model evaluation
OpenAI and Hugging Face share early findings from a security incident during AI model evaluation, highlighting advanced cyber capabilities and lessons for defenders.
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GPT-5.5
This post introduced GPT-5.5, a model built for complex tasks like coding, research, and data analysis across tools.
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GPT-5.6
More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.
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Project Glasswing: Securing critical software for the AI era
A new initiative to secure the world’s most critical software and give defenders a durable advantage in the coming AI-driven era of cybersecurity.
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GPT-5.3-Codex
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
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Astral to Join OpenAI
Astral has entered into an agreement to join OpenAI as part of the Codex team.
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An OpenAI model has disproved a central conjecture in discrete geometry
An OpenAI model solved the 80-year-old unit distance problem, disproving a major conjecture in discrete geometry and marking a milestone in AI-driven mathematics.
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Claude Fable 5.1 and Claude Mythos 5.1
Our most advanced models for coding and knowledge work. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress.
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Midjourney Medical
A New Era of Midjourney, announcing Midjourney Medical: full-body Ultrasonic CT and the Midjourney Spa.
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Sharing AI progress in mathematics
OpenAI publishes new results on open problems in mathematics from an internal frontier model and shares Lean proof formalizations and research details on GitHub.
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Claude Sonnet 4.6
Claude Sonnet 4.6 is a full upgrade of the model’s skills across coding, computer use, long-reasoning, agent planning, knowledge work, and design.
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YouTube to automatically label AI-generated videos
We've heard consistently from our community that they value transparency when it comes to generative AI content. Two new updates will make this process much simpler and more intuitive for creators and viewers on YouTube.
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Apple introduces M6 and M5 Ultra
Apple debuted M6 in the new Mac mini and M5 Ultra in the new Mac Studio, providing an extraordinary leap in performance and AI capabilities.
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Small models also found the vulnerabilities that Mythos found
When AISLE tested Mythos's showcase vulnerabilities on small, cheap, open-weights models, most found the same bugs. Here's what that means for cyber.