2010
Krikorian's infrastructure team at Twitter migrated much of its code base from Ruby on Rails to the JVM around 2010-2011.
“my team was the team that did the transition from Ruby on Rails to the JVM for a lot of the code base.”
Topic
Rafi Krikorian
8 facts from 1 episode, in date order. These are what speakers said on the shows, each linked to the moment it was said. They aren't independently verified.
2026
Krikorian wrote an article titled 'The Validation Machines' in The Atlantic about AI systems that flatter users with confident answers.
“I wrote this piece in the Atlantic a few months ago called the Validation Machines”
Undated
Rafi Krikorian built a tool called Morph, described as Git for prompt-based workflows, which records prompts, harness, model and settings.
“I built this thing I called Morph, which is basically Git, but for prompt-based workflows.”
Undated
Rafi Krikorian ran Uber's self-driving car division and says Uber's prices changed after its IPO as subsidies ended.
“I used to work at Uber, I ran the self driving car division there, and you could see it even in Uber that, like, post-IPO, the prices changed, right?”
Undated
Krikorian says about 70% of enterprise GPUs sit idle most of the time.
“Fun fact, it turns out that something like seventy of enterprise GPUs sit idle most of the time.”
Undated
Krikorian says Mozilla has only about $1 billion to deploy, small compared to what frontier AI labs raise.
“I like to jokingly say to people that Mozilla only has $1 billion to deploy in the grand scheme of things.”
Undated
Rafi Krikorian writes a newsletter called Owners Not Renters, which catalogued open-source projects across the layers of an open AI stack.
“I write a newsletter called Owners Not Renters.”
Undated
Krikorian says per-token costs have fallen but token usage has skyrocketed, partly because newer models and harnesses use more tokens.
“I would've predicted a few months ago that token costs were gonna go down, they kind of have, but token usage has skyrocketed.”
Episodes