Toby Pohlen @TobyPhln Twitter profile

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@giuseppezanotti

Toby Pohlen

@TobyPhln

6 months

These are some of the UI features in Grok. First, it allows you to multi-task. You can run several concurrent conversations and switch between them as they progress.

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Toby Pohlen

@TobyPhln

6 months

It's happening

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Toby Pohlen

@TobyPhln

6 months

You can now submit feedback to help us improve Grok. Feedback can range from a simple "this conversation is good/bad"-rating all the way to an entirely rewritten conversation.

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Toby Pohlen

@TobyPhln

2 months

Do you want to work for @xai in London? Now you can. We're looking for software engineers. Apply if you want to get stuff done, work with smart people, and get grilled in one of my coding interviews. Backend & data: Full-stack:

xAI

boards.greenhouse.io

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Toby Pohlen

@TobyPhln

5 months

June 3rd was my first day at @xai . Here are some of the things I learnt over the past 6 months:

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Toby Pohlen

@TobyPhln

6 months

xAI is a great place to work at. Our culture is engineering-driven and fast-paced with a long-term strategic roadmap to develop safe and strong AI. If you want to learn more, I'm happy to jump on a Google Meet call at short notice. My DMs are open.

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Toby Pohlen

@TobyPhln

5 months

We started rolling out Grok to the first batch of users on X.

Elon Musk

@elonmusk

5 months

Grok is rolling out to 𝕏 Premium+ subscribers with the latest app release. Have fun!

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Toby Pohlen

@TobyPhln

2 months

Grok-1 is out in the open.

Open Release of Grok-1

We are releasing the weights and architecture of our 314 billion parameter Mixture-of-Experts model Grok-1.

x.ai

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Toby Pohlen

@TobyPhln

1 month

We'll release Grok-1.5 in a couple of days and will expand access to more users and more countries.

Announcing Grok-1.5

Grok-1.5 comes with improved reasoning capabilities and a context length of 128,000 tokens. Available on 𝕏 soon.

x.ai

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Toby Pohlen

@TobyPhln

2 months

Grok just got a lot faster. We have many other improvements in the pipeline that will ship soon.

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Toby Pohlen

@TobyPhln

5 months

At this rate, people will pay you to use their Mistral 7B APIs by next week.

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Toby Pohlen

@TobyPhln

5 months

The pace of innovation and improvement at Tesla is pretty incredible.

Tesla Optimus

@Tesla_Optimus

5 months

There’s a new bot in town 🤖 Check this out (until the very end)!

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Toby Pohlen

@TobyPhln

3 months

I'm super excited to work with the great people who are joining @xai today and over the next couple of weeks. Some of the smartest engineers I ever got to interview. PS: We're still hiring

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Toby Pohlen

@TobyPhln

2 months

One unpopular opinion I hold is that scripting languages (Python, JS, PHP etc) are great for learning programming but insufficient for learning how computers and operating systems actually work. Becoming proficient in C or C++ can be eye-opening and exciting.

FFmpeg

@FFmpeg

2 months

If we don't keep raising awareness of low-level programming skills, the skillset will disppear forever under a sea of SDKs, binary blobs and proprietary chips. C programming matters, assembly language matters.

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Toby Pohlen

@TobyPhln

9 months

My second greatest achievement in life.

Elon Musk

@elonmusk

9 months

Elden Ring is some of the most beautiful art ever created

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Toby Pohlen

@TobyPhln

6 months

Grok keeps an ear on the internet's town square in real time.

Mira Murati: The Interim CEO of OpenAI

A shared conversation between a user and xAI's language model.

share.x.ai

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Toby Pohlen

@TobyPhln

9 months

The work is intense, but I'm feeling really positive about our progress @xai :)

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Toby Pohlen

@TobyPhln

5 months

Coincidence? I think not.

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Toby Pohlen

@TobyPhln

6 months

What an amazing achievement of innovation, engineering, and execution.

SpaceX

@SpaceX

6 months

Liftoff of Starship!

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Toby Pohlen

@TobyPhln

5 months

You can now export your programs from the PromptIDE and run them locally.

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Toby Pohlen

@TobyPhln

6 months

And last but not least 😎

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Toby Pohlen

@TobyPhln

6 months

PromptIDE highlights: The `user_input()` function asks the user to enter a string. You can use that to write a chatbot in four lines of Python. While executing the prompt, you see the tokenization, sampling probabilities, alternative tokens, and aggregated attention masks.

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Toby Pohlen

@TobyPhln

5 months

We may finally be at the point where "super-human performance" actually means "better than most humans" in real-world applications. Can't wait for nearly flawless speech recognition, image understanding, and reasoning/deduction.

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Toby Pohlen

@TobyPhln

28 days

Some early results of our first vision model. It'll be integrated into the Grok chat in the medium term. A few other features will ship before that (likely very soon). Props to { @tingchenai , @gabriel_ilharco }.

Grok-1.5 Vision Preview

Connecting the digital and physical worlds with our first multimodal model.

x.ai

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Toby Pohlen

@TobyPhln

5 months

Long time no see 👀

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Toby Pohlen

@TobyPhln

2 months

In a world where data is the new oil, X is a well.

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Toby Pohlen

@TobyPhln

6 months

You can branch conversations to better explore Grok's responses. The response tree (wait until the end of the video) allows you to switch back and forth between the individual branches. There are also /commands to reduce clicking.

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Toby Pohlen

@TobyPhln

3 months

I merged my 500th pull request @xai today. You can see the Grok launch night on the graph too.

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Toby Pohlen

@TobyPhln

4 months

If your company is running out of meeting rooms, you don't have too few rooms. You have too many meetings.

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Toby Pohlen

@TobyPhln

3 months

Andrej Karpathy

@karpathy

3 months

My calendar this week

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Toby Pohlen

@TobyPhln

5 months

Skills, expertise, and work ethics follow a Pareto distribution with α >> 1 meaning that - in a professional context - some people are just exponentially better than others and they are rare. You want to work with and hire people who are exceptional. No compromises.

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Toby Pohlen

@TobyPhln

6 months

I'm working on a share feature with conversation preview on X. </test-post>

GTA 6 Trailer

A shared conversation between a user and xAI's language model.

share.x.ai

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Toby Pohlen

@TobyPhln

1 month

We're looking for a designer/frontend engineer to join the London team. If you're great at UI design and you can implement your designs in React, please apply so we can pixel-peep together.

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Toby Pohlen

@TobyPhln

6 months

API keys can be managed in the PromptIDE, which you have access to if you're part of the early access program.

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Toby Pohlen

@TobyPhln

9 months

@SergiiKirianov Don't forget about the equally important "I need to put down my laptop but don't actually want to close the lid"-pose.

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Toby Pohlen

@TobyPhln

6 months

Final note: There are also some easter eggs 🦧

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Toby Pohlen

@TobyPhln

5 months

Companies are groups of people. You cannot talk to a building or a machine. If something is moving slowly, there is a person who can accelerate it. If a policy doesn't make sense, there is someone who can fix it. Want to understand a company? Find out who does what.

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Toby Pohlen

@TobyPhln

5 months

Rust >> C++- No snakes in prod.

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Toby Pohlen

@TobyPhln

6 months

Yesterday: Cloudflare outage Today: GitHub outage Tomorrow: Launch 💀

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Toby Pohlen

@TobyPhln

6 months

You can open all generated code snippets in a VS Code editor.

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Toby Pohlen

@TobyPhln

5 months

You can only move fast if you can iterate quickly. For research, this also means that your infrastructure must support fast iteration. Launching experiments shouldn't take more than 1 minute, not every piece of code needs to be tested & reviewed, compute should be plentiful.

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Toby Pohlen

@TobyPhln

5 months

Innovation is paramount and you're never done innovating. It doesn't matter what you or your company achieved yesterday. The value of past rewards is 0. All that matters is how much more you will achieve tomorrow.

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Toby Pohlen

@TobyPhln

6 months

You can open Grok's response in a markdown editor, save it and then continue the conversation. This works in tandem with branching and the branch tree I showed above.

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Toby Pohlen

@TobyPhln

9 months

Thanks to everyone who applied via our website. I met a lot of people this week and really appreciate how many talented engineers and researchers sent in their CVs 🙏

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Toby Pohlen

@TobyPhln

5 months

Metaphorically speaking, progress made by a group of people is described by the vector sum of its members' actions. The best way to make sure a group moves quickly in one direction is to align incentives.

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Toby Pohlen

@TobyPhln

6 months

Unlocking my phone after being offline for just 2h.

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Toby Pohlen

@TobyPhln

5 months

Time to delivery is critical and it's important to feel a sense of urgency.

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Toby Pohlen

@TobyPhln

10 months

I'm working on a new alignment algorithm called Gradient Decent.

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Toby Pohlen

@TobyPhln

6 months

I refactored error management in the API. Error messages should be more accurate and less scary now. I also increased the default token limit to 100,000 tks/h. Thanks for beta testing everyone 🫡.

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Toby Pohlen

@TobyPhln

8 months

Getting everything ready for the first alpha testers

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Toby Pohlen

@TobyPhln

10 months

Read the source 👀

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Toby Pohlen

@TobyPhln

3 months

Dear Spotlight-Search, When I type "bluetooth", I never - ever - want to open the "Bluetooth File Exchange" app. Thank you. Sincerely, Everyone

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Toby Pohlen

@TobyPhln

6 months

Grok also got a little redesign to simplify the UI.

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Toby Pohlen

@TobyPhln

10 months

When interviewing, I usually try to assess a candidate's knowledge ceiling instead of checking if they pass a knowledge floor. On a few occasions, I've met people who are simply so good that I ran out of questions.

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Toby Pohlen

@TobyPhln

5 months

@korymath @xai Probably how good open source infrastructure has become over the past 10 years.

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Toby Pohlen

@TobyPhln

6 months

The opposite of love isn't hate. It's indifference.

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Toby Pohlen

@TobyPhln

10 months

People: "I'm sure your calendar is pretty full" Me: "Indeed"

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Toby Pohlen

@TobyPhln

10 months

Attention isn't all you need.

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Toby Pohlen

@TobyPhln

10 months

@stephenbalaban I did a million iterations of this logo and never saw the lambda until someone pointed it out to me post-launch.

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Toby Pohlen

@TobyPhln

6 months

@tapfornerd It's honestly too early to say how we'll scale this in the future. Grok launched just 10 days ago. Right now, our main focus is on making Grok as good as we can. Give us some time :)

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Toby Pohlen

@TobyPhln

6 months

@imPenny2x It's very early days for the API. But if you want to play with the model programmatically, you can use our IDE. Here are a few examples to get you started: - Chat: - Concurrency: - Batch process a CSV file:

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Toby Pohlen

@TobyPhln

9 months

I find that people who can answer questions in a succinct, precise, and understandable fashion also tend to have strong technical skills.

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Toby Pohlen

@TobyPhln

6 months

Thanks, @giffmana !

AI Assistant Thanks Friend for Feature Suggestion

A shared conversation between a user and xAI's language model.

share.x.ai

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Toby Pohlen

@TobyPhln

10 months

Finally a reason to buy a WinRAR license.

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Toby Pohlen

@TobyPhln

6 months

I switched from CLion to RustRover and the slight difference in text rendering is distracting me 😶

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Toby Pohlen

@TobyPhln

6 months

You can upload small files and use them in your prompts via the `read_file()` function from the SDK. The video shows how to run an MMLU evaluation inside the IDE. The model here is our smaller Grok-0.

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Toby Pohlen

@TobyPhln

9 months

Strong foundation models relate to domain-specific expert models like CPUs relate to ASICs. One is general and allows its users to choose the application. The other performs well in a narrow domain chosen by the developer.

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Toby Pohlen

@TobyPhln

9 months

As an engineer, it's difficult to acknowledge that the best use of my time isn't always doing technical work (coding/data massaging etc.).

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Toby Pohlen

@TobyPhln

9 months

"Solve A, then use A to solve B" rarely works as it introduces a discontinuity in the solution space. You risk getting stuck iteratively working towards A and never attending to B. In my experience it's better to tackle B directly in a way that allows taking incremental steps.

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Toby Pohlen

@TobyPhln

6 months

@ByeonChansoo Insta reject /s.

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Toby Pohlen

@TobyPhln

10 months

Program synthesis via rejection sampling.

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Toby Pohlen

@TobyPhln

6 months

If you don't need the token analytics, you can also render the context as markdown.

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Toby Pohlen

@TobyPhln

9 months

The best thing about starting a new company is that all go/ links are up for grabs and guess who's already secured go/employee-of-the-year 😎

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Toby Pohlen

@TobyPhln

28 days

@BenjaminDEKR @tingchenai @gabriel_ilharco Haha, yes, we'll have an API. Developers will also get access to the IDE and our current SDK with a small token budget included with X Premium+ while we work on the fully featured API.

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Toby Pohlen

@TobyPhln

6 months

The SDK uses Python coroutines. This allows you to implement concurrent contexts.

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Toby Pohlen

@TobyPhln

10 months

AI has one aunt, three fathers, three mothers, and seven godfathers. They're all talking about parenting while it hangs out with the rest of us chronically-online folk on Twitter.

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Toby Pohlen

@TobyPhln

6 months

@bayeslord @grok The Grok frontend is written in React using NextJS. The PromptIDE is written in Angular. They both share a gRPC API backend written in Rust.

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Toby Pohlen

@TobyPhln

9 months

Kubernetes watchdogs should be called k8s k9s.

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Toby Pohlen

@TobyPhln

1 month

Frontend Engineer & UI/UX Designer

London, UK

boards.greenhouse.io

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Toby Pohlen

@TobyPhln

9 months

I'm always happy when I meet others who worked at @RWTH 's Computer Vision group. I learnt a lot during my time there as they allowed me to pursue my own research ideas rather than just acting as an assistant to more senior folk.

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Toby Pohlen

@TobyPhln

10 months

Can't wait for Nolan to bring the arXiv cinematic universe to the big screen.

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Toby Pohlen

@TobyPhln

9 months

Over the past 10 years we somehow went from developers wanting to write everything from scratch to developers wanting to use SaaS-solutions for everything.

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Toby Pohlen

@TobyPhln

6 months

@bostonrob__ The IDE is for researchers, students, and engineers.

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Toby Pohlen

@TobyPhln

9 months

Small anecdote: The ResNet paper [1] came out while I wrote my Master's thesis. The results were impressive and the simplicity of the technique allowed everyone to validate its effectiveness within an hour or two of training. I started working on ResNets for semantic segmentation…

Toby Pohlen

@TobyPhln

9 months

@DrJimFan Congratulations to him and MIT indeed. When I focused on computer vision during my Bachelor's and Master's, his modern contributions to the field were as important to me as the early works of @ylecun et al.

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Toby Pohlen

@TobyPhln

6 months

@WholeMarsBlog @elonmusk I'll look into it. Can you DM me?

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Toby Pohlen

@TobyPhln

10 months

@khushi_ftw Live view of situation on floor 11

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Toby Pohlen

@TobyPhln

6 months

@battleangelviv Let me add a better icon for this use case.

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Toby Pohlen

@TobyPhln

10 months

AWS is now a Shovels as a Service (SaaS) business.

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Toby Pohlen

@TobyPhln

6 months

@AIRevolutionZon Yes, you can share conversations. Folders are coming soon.

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Toby Pohlen

@TobyPhln

2 months

@ggerganov Amazing, well done!

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Toby Pohlen

@TobyPhln

10 months

@JoshuaSteinman @elonmusk I hear ya 🎨 [1/2]

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Toby Pohlen

@TobyPhln

10 months

Superalignment team coming out of stealth one by one.

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Toby Pohlen

@TobyPhln

6 months

@imPenny2x Thanks for the kind words and the useful feedback. Lots of improvements are in the works or have already shipped silently. We'll keep pushing.

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Toby Pohlen

@TobyPhln

11 months

You leave every organization twice. Once when you resign and once when your meme channel dies.

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Toby Pohlen

@TobyPhln

10 months

Waiting to board a flight to SF. The couple next to me casually talks about street crime and what areas to avoid outright.

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Toby Pohlen

@TobyPhln

6 months

@battleangelviv Update will be rolled out tomorrow morning together with some other fixes.

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Toby Pohlen

@TobyPhln

10 months

@JoshuaSteinman @elonmusk More seriously [2/2]. I read the discussions last night and wanted to tweet something funny about it but then didn't think anyone would care. The i is slanted to better distinguish the three letters. I also like how it gives the logo a little bit of perspective. Though I'm not…

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Toby Pohlen

@TobyPhln

6 months

@ElieMesso A few seconds. But this should get faster in the future. We're working on improving the system along many different axes.

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