Leo Meyerovich
@lmeyerov.bsky.social
Makes: graphistry.com/get-started / louie.ai / graphtheplanet.com
OSS: pygraphistry, gfql graph lang, apache arrow, GPU dataframes
Before: web FRP, socio-plt, parallel browsers, project domino
Data-intensive investigations with LLMs, GPUs, & graphs
OSS: pygraphistry, gfql graph lang, apache arrow, GPU dataframes
Before: web FRP, socio-plt, parallel browsers, project domino
Data-intensive investigations with LLMs, GPUs, & graphs
My litmus test for where an engineer or analyst is on their agentic automation journey: Are they maxing out their quota every month, week, day, ... or not at all?
July 30, 2025 at 2:17 AM
My litmus test for where an engineer or analyst is on their agentic automation journey: Are they maxing out their quota every month, week, day, ... or not at all?
1/
As folks get excited by the new batch of agent frameworks, IMO, almost all are increments on the Pythonic steam engine era of the last 2 years, while 'adult' AI teams work with electricity
As folks get excited by the new batch of agent frameworks, IMO, almost all are increments on the Pythonic steam engine era of the last 2 years, while 'adult' AI teams work with electricity
April 27, 2025 at 3:20 AM
1/
As folks get excited by the new batch of agent frameworks, IMO, almost all are increments on the Pythonic steam engine era of the last 2 years, while 'adult' AI teams work with electricity
As folks get excited by the new batch of agent frameworks, IMO, almost all are increments on the Pythonic steam engine era of the last 2 years, while 'adult' AI teams work with electricity
Big welcome to Semih of Kuzu DB fame for Graph the Planet on Monday. If you like @duckdb.org /
@arrow.apache.org <> graphs, Kuzu is *very* interesting!
@arrow.apache.org <> graphs, Kuzu is *very* interesting!
April 25, 2025 at 8:51 PM
Big welcome to Semih of Kuzu DB fame for Graph the Planet on Monday. If you like @duckdb.org /
@arrow.apache.org <> graphs, Kuzu is *very* interesting!
@arrow.apache.org <> graphs, Kuzu is *very* interesting!
1/ I'm increasingly doing something we call "Vibes Investigating" in the louie.ai team
This rethinks karpathy’s "Vibes Coding", now for data - think operations, incident response, fraud, SRE, logs, data science
Quick demo of analyzing some logs: youtu.be/rpCWyC4MFM0
In Vibes Investigating (cont)
This rethinks karpathy’s "Vibes Coding", now for data - think operations, incident response, fraud, SRE, logs, data science
Quick demo of analyzing some logs: youtu.be/rpCWyC4MFM0
In Vibes Investigating (cont)
Vibes Investigating: Analyzing data with AI
YouTube video by Graphistry
youtu.be
April 21, 2025 at 6:25 PM
1/ I'm increasingly doing something we call "Vibes Investigating" in the louie.ai team
This rethinks karpathy’s "Vibes Coding", now for data - think operations, incident response, fraud, SRE, logs, data science
Quick demo of analyzing some logs: youtu.be/rpCWyC4MFM0
In Vibes Investigating (cont)
This rethinks karpathy’s "Vibes Coding", now for data - think operations, incident response, fraud, SRE, logs, data science
Quick demo of analyzing some logs: youtu.be/rpCWyC4MFM0
In Vibes Investigating (cont)
Excited for Alex to share one of our biggest focuses for awhile now, including details behind a SOTA result for the #security #genai community we've been keeping under wraps!
Fun to be finally going public on this stuff 🏁🏁🏁
Fun to be finally going public on this stuff 🏁🏁🏁
Graph the Planet 2025 is thrilled to announce Graphistry’s Head of AI, Alex Morisse’s talk on “Designing AI Agents that Investigate.”
Register & learn more: www.GraphThePlanet.com
Register & learn more: www.GraphThePlanet.com
April 19, 2025 at 9:38 PM
Victor's team is always early to deploying new AI methods to their many crypto investigations, so excited to learn what is happening in the graph + #LLM world here!
PS: Fun fact, he led data science at Mandiant, so "he has seen some things" and is always a fun speaker 🤠
PS: Fun fact, he led data science at Mandiant, so "he has seen some things" and is always a fun speaker 🤠
Graph the Planet 2025 is thrilled to announce that Victor Fang, CEO of AnChain.AI, will be joining our stage to share on “AI Agents for Financial Crime Investigations”.
Registration, virtual attendance, & more information: www.graphtheplanet.com
#RSAC2025
Registration, virtual attendance, & more information: www.graphtheplanet.com
#RSAC2025
April 16, 2025 at 7:50 PM
Victor's team is always early to deploying new AI methods to their many crypto investigations, so excited to learn what is happening in the graph + #LLM world here!
PS: Fun fact, he led data science at Mandiant, so "he has seen some things" and is always a fun speaker 🤠
PS: Fun fact, he led data science at Mandiant, so "he has seen some things" and is always a fun speaker 🤠
The genAI session by #BAML's creator Vaibhav is one of the most important at graphtheplanet.com
at RSA week this month in SF -
Basically, how are teams advancing from AI vibes to AI automation & AI autonomy, and especially in sensitive or investigative scenarios?
Super excited for this track!
at RSA week this month in SF -
Basically, how are teams advancing from AI vibes to AI automation & AI autonomy, and especially in sensitive or investigative scenarios?
Super excited for this track!
April 12, 2025 at 10:56 PM
The genAI session by #BAML's creator Vaibhav is one of the most important at graphtheplanet.com
at RSA week this month in SF -
Basically, how are teams advancing from AI vibes to AI automation & AI autonomy, and especially in sensitive or investigative scenarios?
Super excited for this track!
at RSA week this month in SF -
Basically, how are teams advancing from AI vibes to AI automation & AI autonomy, and especially in sensitive or investigative scenarios?
Super excited for this track!
the louie slack this week
April 11, 2025 at 12:46 AM
the louie slack this week
Finally announced: John Lambert is keynoting Graph the Planet 2025! (#RSAC week in SF)
John's perspective has been burned into my brain for years: "Defenders think in lists. Attackers think in graphs. As long as this is true, attackers win". Graphs are all the way to @microsoft.com 's CISO office 🤯
John's perspective has been burned into my brain for years: "Defenders think in lists. Attackers think in graphs. As long as this is true, attackers win". Graphs are all the way to @microsoft.com 's CISO office 🤯
GraphThePlanet is thrilled to announce this year’s keynote speaker:
John Lambert (Microsoft CISO Organization) on Graphs and Algebras of Defense!
• Registration & More Info: www.graphtheplanet.com
John Lambert (Microsoft CISO Organization) on Graphs and Algebras of Defense!
• Registration & More Info: www.graphtheplanet.com
April 10, 2025 at 4:27 PM
Finally announced: John Lambert is keynoting Graph the Planet 2025! (#RSAC week in SF)
John's perspective has been burned into my brain for years: "Defenders think in lists. Attackers think in graphs. As long as this is true, attackers win". Graphs are all the way to @microsoft.com 's CISO office 🤯
John's perspective has been burned into my brain for years: "Defenders think in lists. Attackers think in graphs. As long as this is true, attackers win". Graphs are all the way to @microsoft.com 's CISO office 🤯
Hello Silicon Valley, 2025 vintage: GPU resellers advertising on billboards
March 22, 2025 at 12:59 AM
Hello Silicon Valley, 2025 vintage: GPU resellers advertising on billboards
Curious how startup folks approach release velocity nowadays. We're revisiting gitflow assumptions:
- localdev
- dev branch <> server
- big changes on long branches
- SaaS: most devs deploy 1-3x/week
- Enterprise: 2w-4w cycle, with customers updating quarterly
keep in mind we're < 20 ~senior devs
- localdev
- dev branch <> server
- big changes on long branches
- SaaS: most devs deploy 1-3x/week
- Enterprise: 2w-4w cycle, with customers updating quarterly
keep in mind we're < 20 ~senior devs
February 21, 2025 at 7:58 PM
Curious how startup folks approach release velocity nowadays. We're revisiting gitflow assumptions:
- localdev
- dev branch <> server
- big changes on long branches
- SaaS: most devs deploy 1-3x/week
- Enterprise: 2w-4w cycle, with customers updating quarterly
keep in mind we're < 20 ~senior devs
- localdev
- dev branch <> server
- big changes on long branches
- SaaS: most devs deploy 1-3x/week
- Enterprise: 2w-4w cycle, with customers updating quarterly
keep in mind we're < 20 ~senior devs
Sunday funday: Make git repos friendly for LLM use with a tiny bash script -
(sharing from some internal louie_ai tooling)
- filters & excludes for desired text files
- convert to LLM-friendly markdown that won't be confused with instruction prompts
- special casing of ipynb
- multicore
gist =>
(sharing from some internal louie_ai tooling)
- filters & excludes for desired text files
- convert to LLM-friendly markdown that won't be confused with instruction prompts
- special casing of ipynb
- multicore
gist =>
February 16, 2025 at 7:30 PM
Sunday funday: Make git repos friendly for LLM use with a tiny bash script -
(sharing from some internal louie_ai tooling)
- filters & excludes for desired text files
- convert to LLM-friendly markdown that won't be confused with instruction prompts
- special casing of ipynb
- multicore
gist =>
(sharing from some internal louie_ai tooling)
- filters & excludes for desired text files
- convert to LLM-friendly markdown that won't be confused with instruction prompts
- special casing of ipynb
- multicore
gist =>
Reposted by Leo Meyerovich
Graphistry won the US Cyber Command AI competition by auto-correlating alerts into incidents and kill chains.
Our graph ML clusters alerts fast and links them into a timeline. CEO Leo Meyerovich demos our one-node GPU solution processing over a billion alerts.
#cybersecurity #hunt #SOC
Our graph ML clusters alerts fast and links them into a timeline. CEO Leo Meyerovich demos our one-node GPU solution processing over a billion alerts.
#cybersecurity #hunt #SOC
February 7, 2025 at 7:14 PM
Graphistry won the US Cyber Command AI competition by auto-correlating alerts into incidents and kill chains.
Our graph ML clusters alerts fast and links them into a timeline. CEO Leo Meyerovich demos our one-node GPU solution processing over a billion alerts.
#cybersecurity #hunt #SOC
Our graph ML clusters alerts fast and links them into a timeline. CEO Leo Meyerovich demos our one-node GPU solution processing over a billion alerts.
#cybersecurity #hunt #SOC
Something the louie team is seeing that I haven't seen discussed: Reasoning LLM fine-tuning for agents & reasoners
* Ex: Multiturn quality drops when reasoning LLM's effective CoT nests with CoT agents and get confused
* Ex: Domain specific scenarios like legal & medical needing specific guidance
* Ex: Multiturn quality drops when reasoning LLM's effective CoT nests with CoT agents and get confused
* Ex: Domain specific scenarios like legal & medical needing specific guidance
February 4, 2025 at 9:52 PM
Something the louie team is seeing that I haven't seen discussed: Reasoning LLM fine-tuning for agents & reasoners
* Ex: Multiturn quality drops when reasoning LLM's effective CoT nests with CoT agents and get confused
* Ex: Domain specific scenarios like legal & medical needing specific guidance
* Ex: Multiturn quality drops when reasoning LLM's effective CoT nests with CoT agents and get confused
* Ex: Domain specific scenarios like legal & medical needing specific guidance
How AI is transforming in general seems better understood by zooming out to see AI as fuel on a much bigger fire that has been growing the last ~30 years:
- The internet won: 5.5B users
- Software ate the world: DBs+APIs for everything
- AI software 2.0 is here: Small teams moving faster
- The internet won: 5.5B users
- Software ate the world: DBs+APIs for everything
- AI software 2.0 is here: Small teams moving faster
January 31, 2025 at 7:15 PM
How AI is transforming in general seems better understood by zooming out to see AI as fuel on a much bigger fire that has been growing the last ~30 years:
- The internet won: 5.5B users
- Software ate the world: DBs+APIs for everything
- AI software 2.0 is here: Small teams moving faster
- The internet won: 5.5B users
- Software ate the world: DBs+APIs for everything
- AI software 2.0 is here: Small teams moving faster
farewell WYSIWYG, hello WYPIWYG:
What You Prompt Is What You Get
What You Prompt Is What You Get
January 21, 2025 at 6:01 PM
farewell WYSIWYG, hello WYPIWYG:
What You Prompt Is What You Get
What You Prompt Is What You Get
Here we go: @graphistry.bsky.social
/ louie.ai + Google Spanner Graph team phase 1
Best visual graph intelligence experience + one of the best databases ever made
Congrats team, and excited for the next phase
Happy graphing :)
/ louie.ai + Google Spanner Graph team phase 1
Best visual graph intelligence experience + one of the best databases ever made
Congrats team, and excited for the next phase
Happy graphing :)
Graphistry + Google Spanner Graph: Real-Time Analytics
Enterprise teams can now analyze massive, connected datasets in real time like never before.
From cybersecurity to fraud detection, this powerhouse duo brings unmatched speed, scale & precision.
🔗 Read more: graphistry.com/blog/graphis...
Enterprise teams can now analyze massive, connected datasets in real time like never before.
From cybersecurity to fraud detection, this powerhouse duo brings unmatched speed, scale & precision.
🔗 Read more: graphistry.com/blog/graphis...
January 17, 2025 at 11:37 PM
Here we go: @graphistry.bsky.social
/ louie.ai + Google Spanner Graph team phase 1
Best visual graph intelligence experience + one of the best databases ever made
Congrats team, and excited for the next phase
Happy graphing :)
/ louie.ai + Google Spanner Graph team phase 1
Best visual graph intelligence experience + one of the best databases ever made
Congrats team, and excited for the next phase
Happy graphing :)
LLM redditor replacement:
If 'expert agreement' measures whether experts like an LLM answer.. Then 'redditor replacement' is whether experts prefer the LLM over a random redditor
Context: Our users eval us expert-level quality, but benefit as soon as they can trust the LLM more than a redditor
If 'expert agreement' measures whether experts like an LLM answer.. Then 'redditor replacement' is whether experts prefer the LLM over a random redditor
Context: Our users eval us expert-level quality, but benefit as soon as they can trust the LLM more than a redditor
January 12, 2025 at 5:22 PM
LLM redditor replacement:
If 'expert agreement' measures whether experts like an LLM answer.. Then 'redditor replacement' is whether experts prefer the LLM over a random redditor
Context: Our users eval us expert-level quality, but benefit as soon as they can trust the LLM more than a redditor
If 'expert agreement' measures whether experts like an LLM answer.. Then 'redditor replacement' is whether experts prefer the LLM over a random redditor
Context: Our users eval us expert-level quality, but benefit as soon as they can trust the LLM more than a redditor
We are working on more how-to's split for new folks vs advanced, and the first is fun as it describes the 80% case for starting graph analytics & viz projects: turn any table into a graph and go
If any more that would be useful, lmk!
If any more that would be useful, lmk!
Turning tabular data into graphs reveals insights that are hard to see with rows and columns.
Leo Meyerovich, Graphistry founder, shares 3 popular one-liners PyGraphistry users use to explore the tables and dataframes as graphs:
www.loom.com/share/b53e01...
Link to sample notebooks in replys.
Leo Meyerovich, Graphistry founder, shares 3 popular one-liners PyGraphistry users use to explore the tables and dataframes as graphs:
www.loom.com/share/b53e01...
Link to sample notebooks in replys.
Visually analyze any table as a graph: Our three favorite shapings - Colab - 10 January 2025
* Notebook: https://pygraphistry.readthedocs.io/en/latest/demos/more_examples/simple/table_to_graph_three_ways.html
* PyGraphistry: https://pygraphistry.readthedocs.io/en/latest/index.html
* Graphis...
www.loom.com
January 11, 2025 at 5:31 PM
We are working on more how-to's split for new folks vs advanced, and the first is fun as it describes the 80% case for starting graph analytics & viz projects: turn any table into a graph and go
If any more that would be useful, lmk!
If any more that would be useful, lmk!
And @graphistry.bsky.social is up!
Starting with a bang: Video+slides of our Suricata #suricon24 collab w/ Anthony Tellez @ BNY
This gets into meat-and-potatoes of genAI for rules & IDS pipelines, and what to do when RAG workloads get big
.. Also always fun live demoing louie.ai & graphistry 🤠
Starting with a bang: Video+slides of our Suricata #suricon24 collab w/ Anthony Tellez @ BNY
This gets into meat-and-potatoes of genAI for rules & IDS pipelines, and what to do when RAG workloads get big
.. Also always fun live demoing louie.ai & graphistry 🤠
January 10, 2025 at 8:57 PM
And @graphistry.bsky.social is up!
Starting with a bang: Video+slides of our Suricata #suricon24 collab w/ Anthony Tellez @ BNY
This gets into meat-and-potatoes of genAI for rules & IDS pipelines, and what to do when RAG workloads get big
.. Also always fun live demoing louie.ai & graphistry 🤠
Starting with a bang: Video+slides of our Suricata #suricon24 collab w/ Anthony Tellez @ BNY
This gets into meat-and-potatoes of genAI for rules & IDS pipelines, and what to do when RAG workloads get big
.. Also always fun live demoing louie.ai & graphistry 🤠
Finally looked it up
(Or: Why I'm messing with dataframe column order in our hands-free feature engineering library on a Saturday morning)
(Or: Why I'm messing with dataframe column order in our hands-free feature engineering library on a Saturday morning)
January 4, 2025 at 8:46 PM
Finally looked it up
(Or: Why I'm messing with dataframe column order in our hands-free feature engineering library on a Saturday morning)
(Or: Why I'm messing with dataframe column order in our hands-free feature engineering library on a Saturday morning)
Been fascinating whitebox AI red teaming #loiue_ai (graphistry 2.0). Four 🤯 areas:
- Agent attack painful for businesses
- New prompt injection nasty to data teams
- Embeddings attack
- China
Month+ for us to digest: I want to write up. Recommend for all real AI product teams!
- Agent attack painful for businesses
- New prompt injection nasty to data teams
- Embeddings attack
- China
Month+ for us to digest: I want to write up. Recommend for all real AI product teams!
January 4, 2025 at 3:40 AM
Been fascinating whitebox AI red teaming #loiue_ai (graphistry 2.0). Four 🤯 areas:
- Agent attack painful for businesses
- New prompt injection nasty to data teams
- Embeddings attack
- China
Month+ for us to digest: I want to write up. Recommend for all real AI product teams!
- Agent attack painful for businesses
- New prompt injection nasty to data teams
- Embeddings attack
- China
Month+ for us to digest: I want to write up. Recommend for all real AI product teams!
Very cool to be saying... Graphistry / #LOUIE_AI is looking for ~3 R&D folks at Director + Fellow levels. Join as we build out our OSS GPU graph query language GFQL, our autonomous investigator, and formalize our R&D subdivision to run special projects in general!
January 3, 2025 at 5:09 PM
Very cool to be saying... Graphistry / #LOUIE_AI is looking for ~3 R&D folks at Director + Fellow levels. Join as we build out our OSS GPU graph query language GFQL, our autonomous investigator, and formalize our R&D subdivision to run special projects in general!
1/
$B AI coder fork-in-the-road:
- Wired: LLM generates & passes test cases
- Inspired: LLM generates & passes proofs
Ex:
* python => typed python => rust => z3/coq/f#?
* real UX to guide proof conditions & solvers?
$B AI coder fork-in-the-road:
- Wired: LLM generates & passes test cases
- Inspired: LLM generates & passes proofs
Ex:
* python => typed python => rust => z3/coq/f#?
* real UX to guide proof conditions & solvers?
December 26, 2024 at 7:13 PM
1/
$B AI coder fork-in-the-road:
- Wired: LLM generates & passes test cases
- Inspired: LLM generates & passes proofs
Ex:
* python => typed python => rust => z3/coq/f#?
* real UX to guide proof conditions & solvers?
$B AI coder fork-in-the-road:
- Wired: LLM generates & passes test cases
- Inspired: LLM generates & passes proofs
Ex:
* python => typed python => rust => z3/coq/f#?
* real UX to guide proof conditions & solvers?
Say hello to the Graphistry
2025 GPU AI Remote Fellowship program!
1/
We're looking for 2 student researchers (PhD/MS/BS) to hack on:
1. Autonomous AI analysts
2. Multi-GPU OSS graph query languages
-->
2025 GPU AI Remote Fellowship program!
1/
We're looking for 2 student researchers (PhD/MS/BS) to hack on:
1. Autonomous AI analysts
2. Multi-GPU OSS graph query languages
-->
December 18, 2024 at 5:03 PM
Say hello to the Graphistry
2025 GPU AI Remote Fellowship program!
1/
We're looking for 2 student researchers (PhD/MS/BS) to hack on:
1. Autonomous AI analysts
2. Multi-GPU OSS graph query languages
-->
2025 GPU AI Remote Fellowship program!
1/
We're looking for 2 student researchers (PhD/MS/BS) to hack on:
1. Autonomous AI analysts
2. Multi-GPU OSS graph query languages
-->