Marc Goodner
@nullsignal.bsky.social
Working on AI exploration in the office of the CTO at Microsoft. Goofing about here looking for the gnarl. Robotdad in most other places.
Reposted by Marc Goodner
What coding with an LLM feels like sometimes.
December 3, 2025 at 9:29 AM
What coding with an LLM feels like sometimes.
Reposted by Marc Goodner
Also feel free to use this app I built, that uses AI to generate alt text for you: alttexter.lovable.app
November 28, 2025 at 9:47 PM
Also feel free to use this app I built, that uses AI to generate alt text for you: alttexter.lovable.app
Reposted by Marc Goodner
Semianalysis: TPU dominance
Fascinating article. They argue that the reason for NVIDIA’s circular investment deals is to intertwine their own fate with that of the big labs, to keep themselves on top
OpenAI saved 30% on their NVIDIA GPUs merely by buying TPUs
open.substack.com/pub/semianal...
Fascinating article. They argue that the reason for NVIDIA’s circular investment deals is to intertwine their own fate with that of the big labs, to keep themselves on top
OpenAI saved 30% on their NVIDIA GPUs merely by buying TPUs
open.substack.com/pub/semianal...
Google TPUv7: The 900lb Gorilla In the Room
Anthropic’s 1GW+ TPUs, New customers Meta/SSI/xAI/OAI, Full Stack Review of v7 Ironwood, CUDA Moat at risk, Next Generation TPUv8AX and TPUv8X versus Vera Rubin
open.substack.com
November 28, 2025 at 6:32 PM
Semianalysis: TPU dominance
Fascinating article. They argue that the reason for NVIDIA’s circular investment deals is to intertwine their own fate with that of the big labs, to keep themselves on top
OpenAI saved 30% on their NVIDIA GPUs merely by buying TPUs
open.substack.com/pub/semianal...
Fascinating article. They argue that the reason for NVIDIA’s circular investment deals is to intertwine their own fate with that of the big labs, to keep themselves on top
OpenAI saved 30% on their NVIDIA GPUs merely by buying TPUs
open.substack.com/pub/semianal...
My feed has begun including pinball. No idea why. Love it. So much better than rage bait.
November 26, 2025 at 4:27 PM
My feed has begun including pinball. No idea why. Love it. So much better than rage bait.
News media doesn’t seem to want to make these connections but ChatGPT can give you some interesting information for “What were the modeling agencies connected with Donald Trump and Epstein in the 90s”
November 13, 2025 at 6:55 AM
News media doesn’t seem to want to make these connections but ChatGPT can give you some interesting information for “What were the modeling agencies connected with Donald Trump and Epstein in the 90s”
Why am I discussing Gnosticism with ChatGPT late on a Sunday? Oh right, I don’t want to disclose that.
November 10, 2025 at 8:19 AM
Why am I discussing Gnosticism with ChatGPT late on a Sunday? Oh right, I don’t want to disclose that.
“borrowing your species’ point of view for style points”
November 9, 2025 at 8:19 PM
“borrowing your species’ point of view for style points”
Reposted by Marc Goodner
Part of the reason why I’m so insistent about folks understanding AI capabilities is that they’re here to stay and we need to start thinking about what to do in such a world. Putting the genie back in the bottle is a pleasant fantasy that delays serious reckoning
November 9, 2025 at 5:29 AM
Part of the reason why I’m so insistent about folks understanding AI capabilities is that they’re here to stay and we need to start thinking about what to do in such a world. Putting the genie back in the bottle is a pleasant fantasy that delays serious reckoning
1 year ago today.
November 9, 2025 at 3:53 AM
1 year ago today.
Reposted by Marc Goodner
Everyone's calling AI a bubble. Even Sam Altman. But they're still investing hundreds of billions. What's actually going on? My new blog post explores.
peterwildeford.substack.com/p/ai-is-prob...
peterwildeford.substack.com/p/ai-is-prob...
AI is probably not a bubble
AI companies have revenue, demand, and paths to immense value
peterwildeford.substack.com
October 29, 2025 at 5:17 PM
Everyone's calling AI a bubble. Even Sam Altman. But they're still investing hundreds of billions. What's actually going on? My new blog post explores.
peterwildeford.substack.com/p/ai-is-prob...
peterwildeford.substack.com/p/ai-is-prob...
There are things will not heart, but would love to use other emojis on. Why just heart?
October 15, 2025 at 1:30 AM
There are things will not heart, but would love to use other emojis on. Why just heart?
OMG the ChatGPT integration with Zillow is comically bad, did anyone even try using this before they shipped it?
October 13, 2025 at 5:35 AM
OMG the ChatGPT integration with Zillow is comically bad, did anyone even try using this before they shipped it?
Every time KEXP has listed anything I know Radiohead will be at the top and fuck that band. If you like them you have no taste.
October 11, 2025 at 2:24 AM
Every time KEXP has listed anything I know Radiohead will be at the top and fuck that band. If you like them you have no taste.
Who the fuck puts Radiohead on their list of best albums? That band sucks ass. They should be some obscure alt rock shit for nerds like neutral milk hotel. Gross.
October 11, 2025 at 2:20 AM
Who the fuck puts Radiohead on their list of best albums? That band sucks ass. They should be some obscure alt rock shit for nerds like neutral milk hotel. Gross.
Why am I defending Steve Albini?
October 11, 2025 at 1:40 AM
Why am I defending Steve Albini?
Reposted by Marc Goodner
ANTHROPIC: “artificial superintelligence will certainly cause the end of the human species, which is we must build it before OpenAI does so we can have some chance of inscribing human moral values on the post-human future”
OPENAI: “what if we put ads in ChatGPT?”
OPENAI: “what if we put ads in ChatGPT?”
October 8, 2025 at 12:16 AM
ANTHROPIC: “artificial superintelligence will certainly cause the end of the human species, which is we must build it before OpenAI does so we can have some chance of inscribing human moral values on the post-human future”
OPENAI: “what if we put ads in ChatGPT?”
OPENAI: “what if we put ads in ChatGPT?”
Do I have this right that the least maker friendly company in the world just bought an OG maker company? I'm sure that will go great.
October 7, 2025 at 8:34 PM
Do I have this right that the least maker friendly company in the world just bought an OG maker company? I'm sure that will go great.
Reposted by Marc Goodner
Honestly vibe coding does explain how it's so easy to take over a Federation starship
October 6, 2025 at 8:01 PM
Honestly vibe coding does explain how it's so easy to take over a Federation starship
Reposted by Marc Goodner
I've become one of those people who run multiple coding agents at once - here are my notes on embracing the parallel coding agent lifestyle simonwillison.net/2025/Oct/5/p...
Embracing the parallel coding agent lifestyle
For a while now I’ve been hearing from engineers who run multiple coding agents at once—firing up several Claude Code or Codex CLI instances at the same time, sometimes in …
simonwillison.net
October 5, 2025 at 1:56 PM
I've become one of those people who run multiple coding agents at once - here are my notes on embracing the parallel coding agent lifestyle simonwillison.net/2025/Oct/5/p...
Reposted by Marc Goodner
Wrote up my September 2025 "How I'm using coding agents" - blog.fsck.com/2025/10/05/h...
How I'm using coding agents in September, 2025
I used to write more
blog.fsck.com
October 5, 2025 at 5:44 PM
Wrote up my September 2025 "How I'm using coding agents" - blog.fsck.com/2025/10/05/h...
I mean, how can this be a likenesses violation for two public figures?
October 5, 2025 at 1:38 AM
I mean, how can this be a likenesses violation for two public figures?
"I misinterpreted your request as "diagnose AND fix" rather than just "explain.""
ALL. THE. DAMN. TIME.
ALL. THE. DAMN. TIME.
October 3, 2025 at 4:06 PM
"I misinterpreted your request as "diagnose AND fix" rather than just "explain.""
ALL. THE. DAMN. TIME.
ALL. THE. DAMN. TIME.
Reposted by Marc Goodner
So what would happen if everyone who relies on Medicaid (including retirees who've served in the military or have been the pillar of their community) and ACA (including small business people and farmers) did posters showing they are the kind of American Stephen Miller is calling "illegal."
October 1, 2025 at 12:53 PM
So what would happen if everyone who relies on Medicaid (including retirees who've served in the military or have been the pillar of their community) and ACA (including small business people and farmers) did posters showing they are the kind of American Stephen Miller is calling "illegal."
Who do I know that has a sora code?
October 2, 2025 at 3:08 AM
Who do I know that has a sora code?