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PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: IOI computer science competition contributes more to GDP than the Olympics
“The problem is that no one's heard about it, but it contributes more to GDP than the real Olympics.”
Simon Eskildsen Oct 30, 2025 ▶ 39:26 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
LATENT SPACE Assertion Supported
Eskildsen: Neon retrofitted Postgres for S3, while Turbopuffer built pure object-storage consensus
“I think neon neon was first to, and they're trying to retrofit it onto Postgres. And then they built this whole architecture where you have it in memory, and then you sort of like, you know, mmap back to S-III, and I think that was very novel at the time to do…”
Simon Eskildsen Mar 12, 2026 ▶ 16:38 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Open · timeframe Mar 2027
Eskildsen: Turbopuffer outperforms Lucene on long LLM search queries
“Turbo Puffer today has a fairly start of the state of the art full text search engine. We beat Lucene on some queries, in particular, very long queries that we've optimized for, because those are the text search queries we see today.”
Simon Eskildsen Mar 12, 2026 ▶ 51:26 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
PRODUCT MARKET FIT Assertion Supported
Eskildsen: Turbopuffer is 100x cheaper than incumbent vector databases
“The innovation of Turbo Puffer is that it is almost a hundred times cheaper than the incumbents at the time to store that coordinate system.”
Simon Eskildsen Oct 30, 2025 ▶ 6:42 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Vector Search for Readwise Would Have Cost Six Times Its Total Infra Bill
“But this was a company that was spending maybe five grand a month in total on all of their infrastructure. And when I did the napkin math on running the embeddings of all the articles, putting them into a vector index, putting it in prod, it's going to be like…”
Simon Eskildsen Mar 12, 2026 ▶ 10:51 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Turbopuffer is profitable
“It now means that we're profitable because we had so much pricing pressure in the beginning.”
Simon Eskildsen Mar 12, 2026 ▶ 35:46 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: Turbopuffer ANN v3 searches 100B vectors with 40ms p50 latency
“ANN v. Three can search a hundred billion vectors with a p-fifty of around 40 milliseconds and a p-ninety-nine of 200 milliseconds. Maybe other people have done this. I'm sure Google and others have done this, but we haven't seen anyone at least not in like a …”
Simon Eskildsen Mar 12, 2026 ▶ 46:40 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: Cursor moved 20 terabytes from Postgres to Turbopuffer
“Like at some point, cursor moved like 20 terabytes of Postgres data into Turbo Puffer, because it's like, it's there, it works, and these particular query plans we know work well, and so they just moved it all to defer sharding.”
Simon Eskildsen Mar 12, 2026 ▶ 55:44 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: Readwise vector recommendations would have cost $30k/month on incumbent databases
“They have hundreds of millions of articles, and it would have cost about 30 grand a month to put in the production on one of the incumbents at the time. And that was just way too much, right?”
Simon Eskildsen Oct 30, 2025 ▶ 8:27 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
LATENT SPACE Prediction Not checkable as stated
Eskildsen: Every company will connect all data to AI within years
“I don't think you're going to find a company over the next few years that doesn't directly or indirectly have all their data available for search and connected to AI.”
Simon Eskildsen Mar 12, 2026 ▶ 4:30 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Turbopuffer reduced Cursor's infrastructure costs by 95%
“They migrated everything over the next like week or two, and we reduced her cost by 95%, which I think like kind of fixed their per user economics.”
Simon Eskildsen Mar 12, 2026 ▶ 28:22 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: Cursor obfuscates file paths and encrypts code stored in Turbopuffer
“Cursors like security posture into Turbo Puffer is exceptional, right? They have their own embedding model, which makes it very difficult to reverse engineer. They obfuscate the file paths. They are like, You, it's very difficult to learn anything about a code…”
Simon Eskildsen Mar 12, 2026 ▶ 30:26 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Anthropic, Notion, and Cursor use Turbopuffer across three deployment models
“You can run Turbo Puffer either in SAS, right? That's what cursor does. You can run it in a single tenant cluster. So it's just you. That's what Notion does. And then you can run it in, in, in BYOC where everything is inside the customer's VPC. That's what, fo…”
Simon Eskildsen Mar 12, 2026 ▶ 37:25 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: Turbopuffer reduced Cursor's database bill by 95%
“Over the course of a week, they migrated everything that they had, and their first bill was 95% smaller. Then there's six figure bill that they had before, right? So they went from a six figure bill to a four figure bill.”
Simon Eskildsen Oct 30, 2025 ▶ 26:58 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Turbopuffer loses no data if all servers shut down
“In fact, you could turn off all the servers that TurboPuffer has, and we would not lose any data because we have All completely all in on our big storage.”
Simon Eskildsen Mar 12, 2026 ▶ 5:36 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Partly supported
Eskildsen: Kardashian Sales on Shopify Peaked at 1 Million Requests per Second
“And a lot of that was really just the you know the Kardashians would drive very, very large amounts of data to Shopify as they were rotating through all the merge and building out their businesses. And we just needed to make sure we could handle that, right? A…”
Simon Eskildsen Mar 12, 2026 ▶ 7:21 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: AWS S3 Only Achieved Strong Consistency in December 2020
“S III only became consistent in December of twenty-twenty.”
Simon Eskildsen Mar 12, 2026 ▶ 17:19 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: AWS S3 Did Not Support Compare-and-Swap Until Late 2024
“Compare and swap to do metadata, which wasn't in S three until late, 20, 24.”
Simon Eskildsen Mar 12, 2026 ▶ 20:51 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Supported
Eskildsen: Oregon GCP-to-AWS latency is roughly 14ms due to Seattle routing
“Like U.S. East, the Google, like the GCP and AWS data centers are like within a millisecond on each other on the public exchanges. But in Oregon, uniquely the GCP data center sits like a couple hundred kilometers, like east of Portland and the AWS region sits …”
Simon Eskildsen Mar 12, 2026 ▶ 21:27 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
LATENT SPACE Assertion Not checkable as stated
Eskildsen: Notion and Cursor agents run unprecedented search query concurrency
“Notion does a ridiculous amount of queries in every round trip, just because they can. And I'm also now, when I use the cursor agent, I also see them doing more concurrency than I've ever seen before.”
Simon Eskildsen Mar 12, 2026 ▶ 32:48 Retrieval After RAG: Hybrid Search, Agents, and Database Design — Simon Eskildsen of Turbopuffer
PRODUCT MARKET FIT Assertion Supported
Eskildsen: AWS S3 storage is two orders of magnitude cheaper than RAM
“If you put data in memory, it costs maybe two to five dollars per gigabyte of data you put in memory, right? And if you put it in an S-III bucket to data, it costs about two cents per gigabyte. Like a true two order of magnitude cheaper.”
Simon Eskildsen Oct 30, 2025 ▶ 10:16 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
PRODUCT MARKET FIT Assertion Supported
Eskildsen: Vector embeddings are larger in data size than raw text
“Because they're in thousands of dimensions, the coordinate in the coordinate system is very counterintuitive, but the coordinate in the coordinate system is larger than the original data. If you take a paragraph of text, the coordinate that represents it is ac…”
Simon Eskildsen Oct 30, 2025 ▶ 15:26 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: Turbopuffer reached $1M ARR about one year after launch
“We reached a million in ARR about a year after we launched, but we had more customers then than just a cursor. We also had Notion and a bunch of other customers.”
Simon Eskildsen Oct 30, 2025 ▶ 28:53 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: Turbopuffer co-founder cut Notion query latency 300ms in three hours
“Justin found 300 milliseconds or something like that in the span of three hours that night.”
Simon Eskildsen Oct 30, 2025 ▶ 42:03 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
PRODUCT MARKET FIT Assertion Not checkable as stated
Eskildsen: Notion's database workload exceeded Cursor's in July 2024
“And at this time, like that, that workload was like, was bigger than Cursor.”
Simon Eskildsen Oct 30, 2025 ▶ 45:00 He built a new database in his bedroom—now he powers Cursor, Notion and Anthropic. | Simon Eskild... · PMF Show
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