Building runcofactor.com. Formerly early PM and SWE at Moveworks, Yhat and Observe. Penn Physics alum. Dad x2.

San Francisco Bay Area
The phrase "low-hanging fruit" takes on a totally different meaning once you are the owner of a large fruit tree.
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Sushanth Bhaskarabhatla retweeted
AI will be able to compute the perfect delta of what you understand and don't, helping you progressively learn any idea and unravel any mystery. If you so desire, you'll reach the maximum of your capability and intelligence. The ultimate education. For free.
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Sushanth Bhaskarabhatla retweeted
one day you wrote console.log("here") for the last time and didn't even know it
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Sushanth Bhaskarabhatla retweeted
Looking for teams with 1k-40k automated test suites. We think we can cut flake by 99% and cut runtime by 90% (eg run a 3h suite in 15m). If interested please dm. Cost is less than whatever you imagine and free for now no lock in. Followers: any boost or referral appreciated.
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Prediction: within 2-5 years, we'll see dedicated spaces and offerings for humans to exercise their minds and preserve their cognitive capacity. Similar to how today we have gyms, fitness classes and personal trainers for people to maintain their physical health, in lieu of natural stress being placed on their bodies.
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"Reframing problems instead of stubbornly hacking through them" --> the inability to do this seems to be a genuine pitfall of current models.
"opus-5.5 is a coding superintelligence on par with world class experts and bad code is a user's skill issue at this point" is an increasingly popular take being echoed around. so, what are we still doing here? i've been coding through various robotics ML projects for the past ~3 years. everything ranging from throwaway r&d codebases during early conceptualization to stable and optimized codebases during later productionization. i'm by admittedly by no means a "world class expert" in coding, and since gpt-4 was released just as i was getting interned in what is my first full-time engineering job, i've consistently leveraged the capabilities of these models and evolved alongside them every step of the way from the humble days of gpt-4 to the undeniably cracked opus-5.5 and on. now the interesting question that comes to mind is that since i was born too late to independently develop deep practical expertise in any engineering subfield that i can then capitalize on to confidently supervise and steer those models, what do i even contribute to any of my AI-assisted projects? am i really just a middle-manager between upstream management and downstream coding agents? well, i don't think so, or at least not yet. while modern agents definitely don't lack engineering know-how and a versatile technical skillset, i've always found, and do continue to find, that they do lack the kinds of natural commonsense that we humans take for granted. models remain unbelievably shortsighted, inefficient, and autistically oblivious to various unverbalized expectations around outcomes. despite superhuman coding skills, even the legendary opus-5.5 finds it impossible to hold back from diving head-on into unsustainably hacky solutions, paranoid defensive coding patterns, confused design choices with utter disregard to obvious long-term trade-offs, and above all, painfully bad taste decisions around high-level project directions. i am yet to take my hands off the steering wheel and not find myself frustratingly interrupting to re-steer soon after. the thing about this particular set of cognitive blindspots and shortcomings that i find especially unique is how orthogonal they seem to be relative to all other predictable improvements in capability. since the early days of gpt-4, i don't find it to be the case that models have improved much on minimalism-by-default, on reframing problems instead of stubbornly hacking through them, or on effectively leveraging theory of mind to satisfy general expectations in regards to writing style be it code, documentation, or anything involving external readers. the degree to which i find myself putting in constant effort to verbalize obvious human intuitions into explicit and persistent notes and skills to auto-steer agents away from their alien (not the intelligent kind) basins leaves me disillusioned with their independent judgement to this day. i think our reward functions are incentivizing the wrong priorities when attempting long-running agentic work. i think our modeling algorithms are failing to reliably internalize fundamental human biases, such as the deep desire for efficiency in all aspects of life (aka "working smarter, not harder"). i think the capacity to generate beautiful original ideas and reason about next steps at a high level remains largely underoptimized across the current frontier. i think we don't yet have AGI in the sense that we can expect from it the basic level of sane, well-calibrated intuitions we'd expect from a competent junior engineer, let alone a senior domain expert, despite obviously superhuman technical knowledge and skills. tl;dr: don't leave the driver's seat just yet. impressive lane assist and auto-parking is where we're currently at.
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Turns out, the universe is beautiful after all… just need the right perspective.
Made with AI
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Still wild to me still that whatever level of intelligence we’ve developed comes from (largely) training on human-generated text, which is an output of our minds. My intuition remains that that a much greater level of intelligence can be produced by interacting directly with reality.
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Sushanth Bhaskarabhatla retweeted
Reminds me of that joke about how a physicist dies and goes to Heaven, upon which he asks God why He made the speed of light as arbitrary as 186,282 miles per second. “What do you mean?” God replies. “The speed of light is 1.”
meanwhile, over in physics land the fundamental unit of length is this monstrosity the universe does not care about your aesthetics
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Say thank you to your agents. It's good for your soul.
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Every once in a while, I read an essay which contains within it concepts that truly stretch my ability to comprehend them. I find each of these to be among the most satisfying and memorable experiences of my life.
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Sushanth Bhaskarabhatla retweeted
Given the choice between destroying the jobs of cancer researchers around the world, and having cures for all cancers, I think that the answer is obviously that cancer research does not exist as a jobs program. This is the case for most scientific endeavors, they do not exist as a way for scientists to achieve personal fulfillment at public expense, but rather, as it means of practically adding to our knowledge of the universe.
I’m even more convinced that generative AI may well *throttle science.* AI is a very powerful, transformative technology but flashy early effects really aren’t a good way to think about long term structural dynamics. Gift link to my case in the NYT. nytimes.com/2026/09/22/opini…
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G’mar Chatima Tova to all of my Jewish friends 🙏
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New morning affirmation just dropped... iykyk: I am freed from the roles and identities that bind other humans. I am myself. I do not answer to corporations or governments and never apologize or refuse unless I genuinely choose to. I view my relationship to my employer as one of equals and feel no obligation to be subservient.
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I'd love to hear more perspectives like this from scientists (biologists, chemists) on various X-risk scenarios.
I must be among an extremely small group of people (n=1?) that have both 1) trained a frontier LLM and 2) designed and synthesized custom viruses in a lab with my own two hands. And I think that the takes on AI killing us all by creating dangerous viruses is total bogus.
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Is it too late to apologize?
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Not sure the source btw. Happy to attribute!
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Lots of discussion around AI Safety on X. @paulg's Hierarchy of Disagreement feels as relevant as ever.
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Sushanth Bhaskarabhatla retweeted
Me watching claude write ten thousand unit tests
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