Samuel Colvin, founder and CEO of Pydantic, discusses the market landscape for Logfire and AI observability compared to general monitoring giants like Datadog.
“Web observability stopped being a thing, not because the web stopped being a thing, but because all observability had to do web. If you were talking to people in 2010 or 2012, they would have talked about cloud observability. Now that's not a term because all observability is cloud first. The same is going to happen to Gen AI.”
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More from Samuel Colvin
Opinion
Colvin: Agent framework engineering quality lags far behind Python ecosystem
“Looking in general at the ecosystem of agent frameworks, the engineering quality is far below that of the rest of the Python ecosystem.”
Samuel ColvinFeb 6, 2025▶ 8:11Agent Engineering with Pydantic + Graphs — with Samuel Colvin, CEO of Pydantic Logfire
Insight
Colvin: LLMs are 100x faster under four specific engineering conditions
“My take is that there are four, four things where if you can cover all four of these things, LLMs are not like three X faster or five X faster. They're like a hundred X faster.”
Samuel ColvinMar 14, 2026▶ 11:41⚡️Monty: the ultrafast Python interpreter by Agents for Agents — Samuel Colvin, Pydantic
Disclosure
Pydantic built a VIP issue scorer after closing an OpenAI founder's ticket
“Basically this started off because one of the OpenAI co-founders created an issue on Pydantic. And we just closed it and said it was wrong. And so we have this that, like, injects itself and tries to summarize someone and it gives them a, like, brutal score of…”
Samuel ColvinMar 14, 2026▶ 13:45⚡️Monty: the ultrafast Python interpreter by Agents for Agents — Samuel Colvin, Pydantic
Insight
Colvin: Agent Frameworks Exist Because AI Models Are Not Clever Enough
“Agents, agent frameworks, graphs, all of this stuff is basically making up for the fact that right now the models are not that clever.”
Samuel ColvinFeb 6, 2025▶ 27:00Agent Engineering with Pydantic + Graphs — with Samuel Colvin, CEO of Pydantic Logfire
Disclosure
Colvin: Logfire migrated from ClickHouse to Timescale before choosing DataFusion
“We don't use ClickHouse. We started building our database with ClickHouse, moved off ClickHouse onto Timescale, which is a Postgres extension to do analytical databases. And then moved off Timescale onto Data Fusion, and we're basically now building, it's Data…”
Samuel ColvinFeb 6, 2025▶ 43:55Agent Engineering with Pydantic + Graphs — with Samuel Colvin, CEO of Pydantic Logfire
Opinion
Colvin: Jupyter Notebooks Are Worse Than or Similarly Bad to Excel
“I have very strong opinions about, you know, proper, like Jupyter notebooks, this idea that like you have to run the cells in the right order. I mean, a whole bunch of things. It's basically like worse than Excel or similarly bad to Excel.”
Samuel ColvinFeb 6, 2025▶ 56:25Agent Engineering with Pydantic + Graphs — with Samuel Colvin, CEO of Pydantic Logfire
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