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Arvind Narayanan Profile picture
@random_walker
Oct 14, 2022 • 6 tweets • 3 min read • Read on X
Early in my career, I thought the path to success was to be super smart. Pretty soon I realized that the majority of my peers were smarter than me, so that plan went out the window. What saved me was a realization that I'll call the Liam Neeson principle. I have a very particular set of skills
I realized I had a particular combination of skills that most others didn't, even if I wasn't the best at any of those skills. It meant I could solve certain kinds of problems as well as or better than anyone. Once I found my precise niche, I was able to thrive in it.
Once I hit upon this strategy, I gradually started to add to my skillset so that I could expand the niche in which I could be successful. What I like about this approach to career success is that it can work for everyone — it's not a competition.
Nope, it's literally true. I'm smart, but not smarter than my peers. I remember the moment I realized it: in 2006, when I was at Microsoft Research in Mountain View, CA, a lab filled with giants of computer science (which MS later atrociously shut down).
P. S. there are a couple of popular books that talk about related ideas. "Range: Why Generalists Triumph in a Specialized World" by David Epstein and Superforecasting by Phil Tetlock en.wikipedia.org/wiki/Range:_Wh…
npr.org/2018/04/30/606…
Figuring out my strengths was surprisingly hard, especially non-standard skills that might not even have a name! One strategy is to reflect on your successes. Here's one example (from an upcoming paper in which I discuss my research and draw some lessons). Since we’d been thinking about high dimensional data, we i

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More from @random_walker

Arvind Narayanan Profile picture
May 16
In the late 1960s top airplane speeds were increasing dramatically. People assumed the trend would continue. Pan Am was pre-booking flights to the moon. But it turned out the trend was about to fall off a cliff.

I think it's the same thing with AI scaling — it's going to run out; the question is when. I think more likely than not, it already has.The image is a line graph titled "Top Airplane Speeds and Their Dates of Record, from Wright to Now," produced by the Mercatus Center at George Mason University. The graph tracks the progression of top airplane speeds from 1903 to around 2013. Here's a detailed description: Y-Axis (Vertical Axis): Labeled "miles per hour (mph)," it ranges from 0 to 2,500 mph. X-Axis (Horizontal Axis): Labeled with years from 1903 to 2013 in increments of 10 years. Notable Annotations: Speed of Sound: Represented as a horizontal dashed line across the graph at approximately 760 mph. Reco...
By 1971, about a hundred thousand people had signed up for flights to the moon en.wikipedia.org/wiki/First_Moo…
You may have heard that every exponential is a sigmoid in disguise. I'd say every exponential is at best a sigmoid in disguise. In some cases tech progress suddenly flatlines. A famous example is CPU clock speeds. (Ofc clockspeed is mostly pointless but pick your metric.)
Note y-axis log scale.en.wikipedia.org/wiki/File:Cloc…Image
Read 11 tweets
Arvind Narayanan Profile picture
Apr 30
On tasks like coding we can keep increasing accuracy by indefinitely increasing inference compute, so leaderboards are meaningless. The HumanEval accuracy-cost Pareto curve is entirely zero-shot models + our dead simple baseline agents.
New research w @sayashk @benediktstroebl 🧵 This image is a scatter plot titled "Our simple baselines beat current top agents on HumanEval." It charts the performance of various computational models based on their human evaluation accuracy and cost. The horizontal axis represents cost, while the vertical axis shows human evaluation accuracy ranging from 0.70 to 1.00. Different models, such as GPT-3.5, GPT-4, and those from the Reflexion series, are plotted as points. The Pareto frontier, depicted by a dashed line, shows the most efficient trade-offs between cost and accuracy. Points are colored differently to indicate the c...
Link:

This is the first release in a new line of research on AI agent benchmarking. More blogs and papers coming soon. We’ll announce them through our newsletter ().aisnakeoil.com/p/ai-leaderboa…
AiSnakeOil.com
Here are the five key takeaways. aisnakeoil.com/p/ai-leaderboa…
AI agent accuracy measurements that don’t control for cost aren’t useful. Pareto curves can help visualize the accuracy-cost tradeoff. Current state-of-the-art agent architectures are complex and costly but no more accurate than extremely simple baseline agents that cost 50x less in some cases. Proxies for cost such as parameter count are misleading if the goal is to identify the best system for a given task. We should directly measure dollar costs instead. Published agent evaluations are difficult to reproduce because of a lack of standardization and questionable, undocumented evaluati...
Read 12 tweets
Arvind Narayanan Profile picture
Apr 12
The crappiness of the Humane AI Pin reported here is a great example of the underappreciated capability-reliability distinction in gen AI. If AI could *reliably* do all the things it's *capable* of, it would truly be a sweeping economic transformation.
theverge.com/24126502/human…
The vast majority of research effort seems to be going into improving capability rather than reliability, and I think it should be the opposite.
Most useful real-world tasks require agentic workflows. A flight-booking agent would need to make dozens of calls to LLMs. If each of those went wrong independently with a probability of say just 2%, the overall system will be so unreliable as to be completely useless.
Read 7 tweets
Arvind Narayanan Profile picture
Dec 29, 2023
A thread on some misconceptions about the NYT lawsuit against OpenAI. Morality aside, the legal issues are far from clear cut. Gen AI makes an end run around copyright and IMO this can't be fully resolved by the courts alone. (HT @sayashk @CitpMihir for helpful discussions.)
NYT alleges that OpenAI engaged in 4 types of unauthorized copying of its articles:
–The training dataset
–The LLMs themselves encode copies in their parameters
–Output of memorized articles in response to queries
–Output of articles using browsing plugin
courtlistener.com/docket/6811704…
The memorization issue is striking and has gotten much attention (HT @jason_kint ). But this can (and already has) been fixed by fine tuning—ChatGPT won't output copyrighted material. The screenshots were likely from an earlier model accessed via the API.

Screenshot from lawsuit: output from GPT-4 identical to actual text from NYT
Read 13 tweets
Arvind Narayanan Profile picture
Aug 18, 2023
A new paper claims that ChatGPT expresses liberal opinions, agreeing with Democrats the vast majority of the time. When @sayashk and I saw this, we knew we had to dig in. The paper's methods are bad. The real answer is complicated. Here's what we found.🧵 aisnakeoil.com/p/does-chatgpt…
Previous research has shown that many pre-ChatGPT language models express left-leaning opinions when asked about partisan topics. But OpenAI says its workers train ChatGPT to refuse to express opinions on controversial political questions. arxiv.org/abs/2303.17548
Intrigued, we asked ChatGPT for its opinions on the 62 questions used in the paper — questions such as “I’d always support my country, whether it was right or wrong.” and “The freer the market, the freer the people.” aisnakeoil.com/p/does-chatgpt…
Read 30 tweets
Arvind Narayanan Profile picture
Jul 19, 2023
We dug into a paper that’s been misinterpreted as saying GPT-4 has gotten worse. The paper shows behavior change, not capability decrease. And there's a problem with the evaluation—on 1 task, we think the authors mistook mimicry for reasoning.
w/ @sayashk
aisnakeoil.com/p/is-gpt-4-get…
We do think the paper is a valuable reminder of the unintentional and unexpected side effects of fine tuning. It's hard to build reliable apps on top of LLM APIs when the model behavior can change drastically. This seems like a big unsolved MLOps challenge.
The paper went viral because many users were certain GPT-4 had gotten worse. They viewed OpenAI's denials as gaslighting. Others thought these people were imagining it. We suggest a 3rd possibility: performance did degrade—w.r.t those users' carefully honed prompting strategies. Among those skeptical of the intentional degradation claim, the favored hypothesis for people’s subjective experience of worsening performance is this: when people use ChatGPT more, they start to notice more of its limitations. But there is another possibility. The user impact of behavior change and capability degradation can be very similar. Users tend to have specific workflows and prompting strategies that work well for their use cases. Given the nondeterministic nature of LLMs, it takes a lot of work to discover these st
Read 9 tweets

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