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Alignment faking in large language models
A paper from Anthropic's Alignment Science team on Alignment Faking in AI large language models
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 593 posts.
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Act-1: Transformer for Actions
AI has moved at an incredible pace in the last few years. Scaling up Transformers has led to remarkable capabilities in language (e.g., GPT-3, PaLM, Chinchilla), code (e.g., Codex, AlphaCode), and image generation (e.g., DALL-E, Imagen).
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Instant Checkout and the Agentic Commerce Protocol
We’re taking first steps toward agentic commerce in ChatGPT with new ways for people, AI agents, and businesses to shop together.
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State of AI: An Empirical 100T Token Study with OpenRouter
Read OpenRouter's 2025 State of AI report — an empirical 100 trillion token study of real LLM usage, model trends, and developer insights.
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DiffEqFlux.jl – A Julia Library for Neural Differential Equations
DiffEqFlux.jl – A Julia Library for Neural Differential Equations...
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Meta MTIA v2 – Meta Training and Inference Accelerator
We are sharing details of our next generation chip in our Meta Training and Inference Accelerator (MTIA) family. MTIA is a long-term bet to provide the most efficient architecture for Meta’s unique workloads.
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Free Dolly: First truly open instruction-tuned LLM
Introducing Dolly, the first open-source, commercially viable instruction-tuned LLM, enabling accessible and cost-effective AI solutions.
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Pixel Visual Core: Google’s first custom-designed co-processor
Google’s first custom-designed co-processor for consumer products is built into every Pixel 2. Soon, it will enable more applications to use Pixel 2’s camera for taking …
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Multimodal Neurons in Artificial Neural Networks
We’ve discovered neurons in CLIP that respond to the same concept whether presented literally, symbolically, or conceptually. This may explain CLIP’s accuracy in classifying surprising visual renditions of concepts, and is also an important step toward understanding the associations and biases that CLIP and similar…
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AlphaFold: Using AI for Scientific Discovery
In our study published in Nature, we demonstrate how artificial intelligence research can drive and accelerate new scientific discoveries. We’ve built a dedicated, interdisciplinary team in hopes of using AI to push basic research forward: bringing together experts from the fields of structural biology, physics, and…
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Learning with Privacy at Scale
Understanding how people use their devices often helps in improving the user experience. However, accessing the data that provides such…
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Claude 3.7 Sonnet and Claude Code
Today, we’re announcing Claude 3.7 Sonnet, our most intelligent model to date and the first hybrid reasoning model generally available on the market.
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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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Inkling: Our Open-Weights Model
Our first open-weights model: multimodal, Mixture-of-Experts, with controllable reasoning effort. Available to fine-tune on Tinker.
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4o Image Generation
This 2025 launch introduced native image generation in GPT‑4o, including stronger text rendering and instruction following. Explore ChatGPT Images 2.5.
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Mistral 7B
The best 7B model to date, Apache 2.0
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RedPajama: Reproduction of LLaMA with friendly license
RedPajama launches to build fully open-source leading language models, starting by reproducing LLaMA's training dataset of over 1.2 trillion tokens.
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Claude for Chrome
We're piloting Claude in Chrome to test browser-based AI capabilities while addressing prompt injection risks and building the safety measures needed before wider release.
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GitHub Copilot is moving to usage-based billing
Starting June 1, your Copilot usage will consume GitHub AI Credits.
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Building Meta's GenAI infrastructure
Marking a major investment in Meta’s AI future, we are announcing two 24k GPU clusters. We are sharing details on the hardware, network, storage, design, performance, and software that help us extr…
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GPTs: Custom versions of ChatGPT
You can now create custom versions of ChatGPT that combine instructions, extra knowledge, and any combination of skills.
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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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Mistral: Our first AI endpoints are available in early access
The most powerful AI platform for enterprises. Customize, fine-tune, and deploy AI assistants, autonomous agents, and multimodal AI with open models.