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OpenAI o3-mini is now available in ChatGPT and the API.
Pro users will have unlimited access to o3-mini and Plus & Team users will have triple the rate limits (vs o1-mini).
Free users can try o3-mini in ChatGPT by selecting the Reason button under the message composer.
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Seems like RL finetuning small models is definitively worse than distilling the capabilities of a much larger RL finetuned model. We truly are about to enter the Alpaca era of reasoning models. May the best CoT win!
🚀 DeepSeek-R1 is here!
⚡ Performance on par with OpenAI-o1
📖 Fully open-source model & technical report
🏆 MIT licensed: Distill & commercialize freely!
🌐 Website & API are live now! Try DeepThink at chat.deepseek.com today!
🐋 1/n
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Every day on YouTube, people upload 4 million videos and watch 5 billion videos. Handling this staggering traffic requires a vast fleet of servers. So when a new request comes in, where does it go? How do you balance load across so many servers for so many jobs?
I love this paper because it proposes a clever load balancing system that works at the largest of scales. Let’s imagine a YouTube service is distributed across 1000 servers. Whenever a new query arrives, we send it to one of those servers to process. How do we choose which one?
The obvious load balancing strategy is CPU-based, sending requests to whichever server has the lowest utilization. This works pretty well! But the problem with CPU-based load balancing is that CPU utilization is a lagging indicator that’s averaged over a measuring period and might not reflect the exact current state of a server. That means CPU-based load balancing can risk momentarily overloading servers and causing spikes in tail latency.
How do we balance load better? The idea is simple and elegant: if your goal is to minimize query latency, why not send each query to the server with the lowest latency? This works through probing. When a new query comes in, the load balancer sends lightweight probes to a number of target servers. Each probe measures two instantaneous signals: estimated latency of the server (based on latency of recent queries) and the number of requests in flight. Usually, queries are routed to the server with the lowest estimated latency. The exception is if the servers have very high numbers of requests in flight, indicating high incoming load–then, requests are routed to the servers with the fewest requests in flight.
What’s most impressive about this paper is that Prequal really works. The authors report that when they deployed it in production at YouTube, tail latency dropped by 2x, significantly reducing error and lag spikes for users. It’s not often that we see a systems paper produce results like that in the real world.
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🎄🎅starting tomorrow at 10 am pacific, we are doing 12 days of openai.
each weekday, we will have a livestream with a launch or demo, some big ones and some stocking stuffers.
we’ve got some great stuff to share, hope you enjoy! merry christmas.
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12 days.
12 livestreams.
A bunch of new things, big and small.
12 Days of OpenAI starts tomorrow.
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We’re releasing a new study that explores how users’ names can impact ChatGPT’s responses. openai.com/index/evaluating-…
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Congratulations to @geoffreyhinton for winning the Nobel Prize in physics!!
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Very excited for the launch of @theworldlabs!
I spent a lot of time with Fei-Fei and Justin during my PhD, which I look back on very fondly - Fei-Fei was my advisor and our fearless leader, Justin and I wrote papers together and the three of us built the first version of CS231n. The World Labs team is top tier and I'm excited to see them take today's cutting edge research and extend AI into 3D!
worldlabs.ai/
What is a really really hard problem to work on in #AI? My own answer is Spatial Intelligence - a technology that could empower and enable countless possible use cases in creation, design, learning, AR/VR, robotics, and beyond. It’s a real honor that my cofounders @jcjohnss @chlassner @BenMildenhall and I are joined by a formidable team of world class pixel talents to start World Labs to work on this super hard problem that took Mother Nature half a billion years to solve. 🤩
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We're releasing a preview of OpenAI o1—a new series of AI models designed to spend more time thinking before they respond.
These models can reason through complex tasks and solve harder problems than previous models in science, coding, and math. openai.com/index/introducing…
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Mountain: identified. Time to climb
SSI is building a straight shot to safe superintelligence.
We’ve raised $1B from NFDG, a16z, Sequoia, DST Global, and SV Angel.
We’re hiring: ssi.inc
arxiv.org/abs/2408.07892
A very interesting paper, @lilyofashwood linked this one couple days ago. 👀
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⚡️ Excited to share that I am starting an AI+Education company called Eureka Labs.
The announcement:
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We are Eureka Labs and we are building a new kind of school that is AI native.
How can we approach an ideal experience for learning something new? For example, in the case of physics one could imagine working through very high quality course materials together with Feynman, who is there to guide you every step of the way. Unfortunately, subject matter experts who are deeply passionate, great at teaching, infinitely patient and fluent in all of the world's languages are also very scarce and cannot personally tutor all 8 billion of us on demand.
However, with recent progress in generative AI, this learning experience feels tractable. The teacher still designs the course materials, but they are supported, leveraged and scaled with an AI Teaching Assistant who is optimized to help guide the students through them. This Teacher + AI symbiosis could run an entire curriculum of courses on a common platform. If we are successful, it will be easy for anyone to learn anything, expanding education in both reach (a large number of people learning something) and extent (any one person learning a large amount of subjects, beyond what may be possible today unassisted).
Our first product will be the world's obviously best AI course, LLM101n. This is an undergraduate-level class that guides the student through training their own AI, very similar to a smaller version of the AI Teaching Assistant itself. The course materials will be available online, but we also plan to run both digital and physical cohorts of people going through it together.
Today, we are heads down building LLM101n, but we look forward to a future where AI is a key technology for increasing human potential. What would you like to learn?
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@EurekaLabsAI is the culmination of my passion in both AI and education over ~2 decades. My interest in education took me from YouTube tutorials on Rubik's cubes to starting CS231n at Stanford, to my more recent Zero-to-Hero AI series. While my work in AI took me from academic research at Stanford to real-world products at Tesla and AGI research at OpenAI. All of my work combining the two so far has only been part-time, as side quests to my "real job", so I am quite excited to dive in and build something great, professionally and full-time.
It's still early days but I wanted to announce the company so that I can build publicly instead of keeping a secret that isn't. Outbound links with a bit more info in the reply!
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Superintelligence is within reach.
Building safe superintelligence (SSI) is the most important technical problem of our time.
We've started the world’s first straight-shot SSI lab, with one goal and one product: a safe superintelligence.
It’s called Safe Superintelligence Inc.
SSI is our mission, our name, and our entire product roadmap, because it is our sole focus. Our team, investors, and business model are all aligned to achieve SSI.
We approach safety and capabilities in tandem, as technical problems to be solved through revolutionary engineering and scientific breakthroughs. We plan to advance capabilities as fast as possible while making sure our safety always remains ahead.
This way, we can scale in peace.
Our singular focus means no distraction by management overhead or product cycles, and our business model means safety, security, and progress are all insulated from short-term commercial pressures.
We are an American company with offices in Palo Alto and Tel Aviv, where we have deep roots and the ability to recruit top technical talent.
We are assembling a lean, cracked team of the world’s best engineers and researchers dedicated to focusing on SSI and nothing else.
If that’s you, we offer an opportunity to do your life’s work and help solve the most important technical challenge of our age.
Now is the time. Join us.
Ilya Sutskever, Daniel Gross, Daniel Levy
June 19, 2024
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I am starting a new company:
Superintelligence is within reach.
Building safe superintelligence (SSI) is the most important technical problem of our time.
We've started the world’s first straight-shot SSI lab, with one goal and one product: a safe superintelligence.
It’s called Safe Superintelligence Inc.
SSI is our mission, our name, and our entire product roadmap, because it is our sole focus. Our team, investors, and business model are all aligned to achieve SSI.
We approach safety and capabilities in tandem, as technical problems to be solved through revolutionary engineering and scientific breakthroughs. We plan to advance capabilities as fast as possible while making sure our safety always remains ahead.
This way, we can scale in peace.
Our singular focus means no distraction by management overhead or product cycles, and our business model means safety, security, and progress are all insulated from short-term commercial pressures.
We are an American company with offices in Palo Alto and Tel Aviv, where we have deep roots and the ability to recruit top technical talent.
We are assembling a lean, cracked team of the world’s best engineers and researchers dedicated to focusing on SSI and nothing else.
If that’s you, we offer an opportunity to do your life’s work and help solve the most important technical challenge of our age.
Now is the time. Join us.
Ilya Sutskever, Daniel Gross, Daniel Levy
June 19, 2024
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# Reproduce GPT-2 (124M) in llm.c in 90 minutes for $20 ✨
The GPT-2 (124M) is the smallest model in the GPT-2 series released by OpenAI in 2019, and is actually quite accessible today, even for the GPU poor. For example, with llm.c you can now reproduce this model on one 8X A100 80GB SXM node in 90 minutes (at ~60% MFU). As they run for ~$14/hr, this is ~$20. I also think the 124M model makes for an excellent "cramming" challenge, for training it very fast. So here is the launch command:
And here is the output after 90 minutes, training on 10B tokens of the FineWeb dataset:
It feels really nice to reach this "end-to-end" training run checkpoint after ~7 weeks of work on a from-scratch repo in C/CUDA. Overnight I've also reproduced the 350M model, but on that same node that took 14hr, so ~$200. By some napkin math the actual "GPT-2" (1558M) would currently take ~week and ~$2.5K. But I'd rather find some way to get more GPUs :). But we'll first take some time for further core improvements to llm.c. The 350M run looked like this, training on 30B tokens:
I've written up full and complete instructions for how to reproduce this run on your on GPUs, starting from a blank slate, along with a lot more detail here:
github.com/karpathy/llm.c/di…
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After almost a decade, I have made the decision to leave OpenAI. The company’s trajectory has been nothing short of miraculous, and I’m confident that OpenAI will build AGI that is both safe and beneficial under the leadership of @sama, @gdb, @miramurati and now, under the excellent research leadership of @merettm. It was an honor and a privilege to have worked together, and I will miss everyone dearly. So long, and thanks for everything. I am excited for what comes next — a project that is very personally meaningful to me about which I will share details in due time.
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They are releasing a combined text-audio-vision model that processes all three modalities in one single neural network, which can then do real-time voice translation as a special case afterthought, if you ask it to.
(fixed it for you)
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I wish every grad student in AI would read The Bitter Lesson incompleteideas.net/IncIdeas…
I wish every AI startup founder would read The Bitter Lesson incompleteideas.net/IncIdeas…






















