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Arva AI (YC S24) Is Hiring an AI Research Engineer (London, UK)

Location: In person, Central London, 4-5 days in office Type: Full-Time NB: We are able to sponsor visas Arva AI is revolutionising financial crime intelligence with our cutting-edge AI Agents. By automating manual human review tasks, we enhance operational efficiency and help financial institutions handle AML reviews, while cutting operational costs by 80%. As the AI Research Engineer, you’ll play a pivotal role in building and iterating on LLM-based and agentic features of our AI-powered c

OpenAI's image model gets built-in style feature on ChatGPT

OpenAI's image gen model, which is available via ChatGPT for free, now lets you easily create AI images even if you're not familiar with trends or prompt engineering. Right now, if you want to create outstanding anime art, you need to come up with a very well-written prompt, and then ChatGPT will process your request. While prompt engineering is necessary, you might not always get the quality you're expecting from the AI. GPT Styles Source: BleepingComputer.com To help you easily create ima

Meta fixes bug that could leak users’ AI prompts and generated content

Meta has fixed a security bug that allowed Meta AI chatbot users to access and view the private prompts and AI-generated responses of other users. Sandeep Hodkasia, the founder of security testing firm AppSecure, exclusively told TechCrunch that Meta paid him $10,000 in a bug bounty reward for privately disclosing the bug he filed on December 26, 2024. Meta deployed a fix on January 24, 2025, said Hodkasia, and found no evidence that the bug was maliciously exploited. Hodkasia told TechCrunch

Context Engineering Guide

What is Context Engineering? A few years ago, many, even top AI researchers, claimed that prompt engineering would be dead by now. Obviously, they were very wrong, and in fact, prompt engineering is now even more important than ever. It is so important that it is now being rebranded as context engineering. Yes, another fancy term to describe the important process of tuning the instructions and relevant context that an LLM needs to perform its tasks effectively. Much has been written already

Grok 4

Grok 4. Released last night, Grok 4 is now available via both API and a paid subscription for end-users. Key characteristics: image and text input, text output. 256,000 context length (twice that of Grok 3). It's a reasoning model where you can't see the reasoning tokens or turn off reasoning mode. xAI released results showing Grok 4 beating other models on most of the significant benchmarks. I haven't been able to find their own written version of these (the launch was a livestream video) but

Researchers seek to influence peer review with hidden AI prompts

In Brief Academics may be leaning on a novel strategy to influence peer review of their research papers — adding hidden prompts designed to coax AI tools to deliver positive feedback. Nikkei Asia reports that when examining English-language preprint papers available on the website arXiv, it found 17 papers that included some form of hidden AI prompt. The paper’s authors were affiliated with 14 academic institutions in eight countries, including Japan’s Waseda University and South Korea’s KAIST

Prompting LLMs is not engineering

Prompting LLMs is not engineering published in: With the proliferation of AI models and tools, there's a new industry-wide fascination with snake oil remedies called "prompt engineering". As of July 2025 the term is now "context engineering" or "context prompting" or "context manipulation". To put it succinctly, prompt engineering is nothing but an attempt to reverse-engineer a non-deterministic black box for which any of the parameters below are unknown: training set weights constraints o

Developing with GitHub Copilot Agent Mode and MCP

I'm always looking for ways to work more efficiently and deliver better code faster. Recently, The GitHub Copilot Agent Mode in combination with Model Context Protocol (MCP) has transformed my development workflow. The magic starts with Customizing AI responses in VS Code. Instead of repeatedly explaining my preferences to the AI, I can now define: Custom instructions for consistent coding practices for consistent coding practices Custom prompts for reusable task templates for reusable task

The rise of prompt ops: Tackling hidden AI costs from bad inputs and context bloat

This article is part of VentureBeat’s special issue, “The Real Cost of AI: Performance, Efficiency and ROI at Scale.” Read more from this special issue. Model providers continue to roll out increasingly sophisticated large language models (LLMs) with longer context windows and enhanced reasoning capabilities. This allows models to process and “think” more, but it also increases compute: The more a model takes in and puts out, the more energy it expends and the higher the costs. Couple this wi

Experience Making a 1-minute AI movie with my 7-year old daughter

My daughter Kate (7 years old) really loves Minecraft! Together, we used several generative AI tools to create a 1-minute animation based on only 1 input photo of her. The whole project took around 20 hours of work and I learned several lessons that I want to share here. Context I am still trying to get used to the enormous speed with which generative AI is progressing. 6 months ago, I was blogging about my experiments with Tencent’s Hunyuan Video, which was an absolute breakthrough at that ti

Does your generative AI protect your privacy? New study ranks them best to worst

TU IS/Getty Most generative AI companies rely on user data to train their chatbots. For that, they may turn to public or private data. Some services are less invasive and more flexible at scooping up data from their users. Others, not so much. A new report from data removal service Incogni looks at the best and the worst of AI when it comes to respecting your personal data and privacy. For its report "Gen AI and LLM Data Privacy Ranking 2025," Incogni examined nine popular generative AI servic

Generative AI and privacy are best frenemies - a new study ranks the best and worst offenders

TU IS/Getty Most generative AI companies rely on user data to train their chatbots. For that, they may turn to public or private data. Some services are less invasive and more flexible at scooping up data from their users. Others, not so much. A new report from data removal service Incogni looks at the best and the worst of AI when it comes to respecting your personal data and privacy. For its report "Gen AI and LLM Data Privacy Ranking 2025," Incogni examined nine popular generative AI servic

Gemini app rolls out video upload on Android, iPhone, & web

Besides the new navigation drawer and 2.5 Pro going stable, the Gemini app is rolling out video upload and analysis. This lets you add a clip to your prompt. Update 6/19: Google has now rolled out video upload in the Gemini app “for everyone,” including free and paid users. Make sure you’ve updated the Gemini app on iPhone/iPad or the Google app on Android (version 16.24 stable). Afterwards, tap the ‘plus’ menu and find the video in your “Gallery” or “Files.” Related: Gemini app rolling out Sc

Here's how to turn off public posting on the Meta AI app

This photo illustration created Jan. 7, 2025, shows an image of Mark Zuckerberg, CEO of Meta, and an image of the Meta logo. AI generated images of women kissing while mud wrestling and President Donald Trump eating poop are some of the conversations users are unknowingly sharing publicly through Meta's newly launched AI app. The company rolled out the Meta AI app in April, putting it in direct competition with OpenAI's ChatGPT. But the tool has recently garnered some negative publicity and sp

Design Patterns for Securing LLM Agents Against Prompt Injections

Design Patterns for Securing LLM Agents against Prompt Injections This new paper by 11 authors from organizations including IBM, Invariant Labs, ETH Zurich, Google and Microsoft is an excellent addition to the literature on prompt injection and LLM security. In this work, we describe a number of design patterns for LLM agents that significantly mitigate the risk of prompt injections. These design patterns constrain the actions of agents to explicitly prevent them from solving arbitrary tasks.

I Review AI Image Generators. This Is How I Write My Prompts to Get the Best Results

In the messy world of AI image generators, there are a lot of things that can go wrong when you're trying to get the image you see in your head to appear on your screen. I've spent the past year testing and reviewing different AI image generators, and I've generated hundreds of images across services like Midjourney and Dall-E. But they haven't all been winners. A bunch of them have been downright horrifying. But it taught me that the best way to avoid creating a wonky AI image is using a good p

Topics: ai image like prompt want

Meta’s new AI video tool can put you in a desert (or at least try to)

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Meta is launching new video editing tools that will let you transform videos using AI. The tool, which is only free for a “limited time,” gives you more than 50 preset prompts you can use to edit your video, allowing you to set a theme, change the background, and tweak what you’re wearing. The presets are presented similarly to how you would choose

Topics: ai app meta prompts video

Grok 3 AI is now free to all X users – here's how it works

Screenshot by Lance Whitney/ZDNET X's new Grok 3 AI-powered chatbot is now free for anyone to use. Launched earlier this week, the latest flavor of Grok initially required a paid subscription, but that restriction has now been lifted, according to a new post from xAI, the AI company created by Elon Musk. Beyond the usual AI chat features, Grok 3 offers a DeepSearch mode. Similar to the Deep Research option from ChatGPT Pro, Gemini Advanced, and Perplexity AI, this capability uses a virtual age

Topics: ai grok mode new prompt

Rabbit shows off the AI agent it should have launched with

is a weekend editor who covers the latest in tech and entertainment. He has written news, reviews, and more as a tech journalist since 2020. The Humane AI Pin has collapsed, but Rabbit is still kicking. The company published a blog post and video today showing off a “generalist Android agent,” slowly controlling apps on a tablet in much the same way that Rabbit claimed its R1 device would over a year ago. (It couldn’t, and can’t.) The work builds on LAM Playground, a “generalist web agent” Rabb