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GPT Image 1.5
This 2025 launch introduced a faster ChatGPT Images experience and GPT‑Image‑1.5 in the API. Explore the latest ChatGPT Images 2.5.
New
The latest blog posts to take off on Hacker News. 2,111 posts.
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The GitHub Actions control plane is no longer free
GitHub is adding a $0.002-per-minute fee on all GitHub Actions usage, so the control plane is no longer free.
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Coming soon: Simpler pricing and a better experience for GitHub Actions
Update: We’ve read your posts and heard your feedback. We’re postponing the announced billing change for self-hosted GitHub Actions to take time to re-evaluate our approach. We are continuing to…
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Pricing Changes for GitHub Actions
GitHub Actions pricing update: Discover lower runner rates (up to 39% off) following a major re-architecture for faster, more reliable CI/CD.
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Prompt caching for cheaper LLM tokens
A far more detailed explanation of prompt caching than anyone asked for: how tokens, embeddings, and attention make cached LLM tokens 10x cheaper and faster.
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Mozilla appoints new CEO Anthony Enzor-Demeo
Today, I step into the role of CEO of Mozilla Corporation. It is a privilege to lead an organization with a long history of standing up for people and buil
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40 percent of fMRI signals do not correspond to actual brain activity
Interpretation of numerous MRI data may be incorrect: blood flow is not a reliable indicator of brain activity.
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Sega Channel: VGHF Recovers over 100 Sega Channel ROMs (and More)
Our project to preserve the history of Sega Channel — including over 100 new Sega Channel ROMs.
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8M users' AI conversations sold for profit by "privacy" extensions
Secure the modern software stack with Koi. Gain visibility, context, and real-time protection over extensions, MCPs, and autonomous AI agent endpoints.
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A kernel bug froze my machine: Debugging an async-profiler deadlock
How I investigated and worked around a kernel bug that caused async-profiler to freeze my machine whenever I tried to use a profiler.
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$50 PlanetScale Metal Is GA for Postgres
We've lowered the entry price for using PlanetScale Metal to $50 and added more flexibility in storage-to-compute ratios.
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Price of a bot army revealed across online platforms
The first global index tracking real-time prices for buying fake account verifications on 500+ online platforms in every country has been launched by a team at the University of Cambridge.
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Shai-Hulud compromised a dev machine and raided GitHub org access: a post-mortem
On November 25th, one of our engineers was compromised by the Shai-Hulud npm supply chain worm. Here's what happened, how we responded, and what we've changed.
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“You should never build a CMS”
Lee Robinson migrated cursor.com off Sanity. He made good points. Here's what he missed.
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Pizlix: Memory Safe Linux from Scratch
Pizlix is LFS (Linux From Scratch) 12.2 with some added components, where userland is compiled with Fil-C. This means you get the most memory safe Linux-like OS currently available.
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Linux Sandboxes and Fil-C
Memory safety and sandboxing are two different things. It's reasonable to think of them as orthogonal: you could have memory safety but not be sandboxed, or you could be sandboxed but not memory safe.
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Why Twilio Segment moved from microservices back to a monolith
Discover Twilio’s shift to a single powerful service! Learn cloud communication trends, customer success stories, and how to build scalable apps. Join now!
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VPN location claims don't match real traffic exits
17 out of 20 popular VPNs exit traffic from different countries than they claim. Dig into what that means and why it matters in our VPN report.
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We built another object storage
High-performance object storage exists, but the economics make it unusable at scale. FractalBits breaks out of the high-performance trap.
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1300 Still Images from the Animated Films of Hayao Miyazaki's Studio Ghibli (2023)
「君たちはどう生きるか」の場面写真を提供致します。 現在、劇場公開中の「君たちはどう生きるか」の場面写真 14枚を、本日から提供いたします。 これまでの分と同様に、常識の範囲でご自由にお使いください。 君たちはどう生きるか14枚 2023.08.04 提供開始 2020.12.18 提供開
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In Defense of Matlab Code
MATLAB still shines for math-heavy work. Its whiteboard-style syntax makes code easy to read, review, and run on modern tools like RunMat and fast GPUs.
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Nuclear energy key to decarbonising Europe, says EESC
The EESC has adopted an opinion pointing out that nuclear energy is an essential component of the clean energy mix which is needed to phase out fossil fuels. The Committee calls on the European Commission to include key regulatory and financial enablers in order to make the planned investment possible, and to enhance…
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Using secondary school maths to demystify AI
Educators can show in secondary school maths that AI systems don’t think, making maths more interesting while teaching core concepts of AI.
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SQLite JSON at full index speed using generated columns
One of the coolest patterns in SQLite—store raw JSON documents, create virtual generated columns using json_extract, add indexes, and query JSON at full B-tree index speed.
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CRISPR fungus: Protein-packed, sustainable, and tastes like meat
Researchers have successfully used CRISPR gene editing technology to create a fungi strain that is highly efficient, more nutritious, and significantly more sustainable than its natural counterpart. The fungus Fusarium venenatum already stands out for its meat-like flavor and texture, leading to its approval for food…
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Denial of service and source code exposure in React Server Components
The library for web and native user interfaces
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Pop_OS 24.04 LTS with COSMIC desktop environment
An important message on Pop!_OS, Linux, and one downright fantastic community.
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We built a resource hub to fight back against age verification
Age verification laws are proliferating fast across the United States and around the world, creating a dangerous and confusing tangle of rules about what we’re all allowed to see and do online. That's why today, we're launching EFF.org/Age, a one-stop shop for users seeking to understand what these laws actually do…
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GPT-5.2
GPT-5.2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision. Use it in ChatGPT and the OpenAI API to power faster, more reliable agentic workflows.