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Samuel Colvin
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Samuel Colvin

@samuelcolvin
Founder @pydantic.
London/San Francisco
pydantic.dev/logfire
Joined January 2013
915
Following
21.4K
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  • user avatar
    Samuel Colvin
    @samuelcolvin
    52m
    Congratulations to @arizeai, commiserations to their customers. Feels like soon @pydantic and @LangChain will be the only ones left. 👯‍♀️
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    dynatrace.com
    Dynatrace to Acquire AI Observability Leader Arize
    Dynatrace has signed a definitive agreement to acquire Arize in a cash and stock transaction valued at $915 million.
  • user avatar
    Samuel Colvin
    @samuelcolvin
    3h
    Want to make $20,000 today? Hack Monty. 🤑 The 3rd and final round of our bounty program for the Monty Python implementation from @pydantic is live now. Hack the server -> get the secret -> we'll pay you $20,000. Simple. ... unless Monty is actually secure, and you can't
    pydantic.dev
    Hack Monty Round 3: the last round before Monty V1
    Hack Monty Round 3 offers a $20,000 bounty to escape Pydantic's remote Monty sandbox before Monty V1.
  • user avatar
    Samuel Colvin
    @samuelcolvin
    Aug 10
    Sorry, but I have to point this out. 6k likes for a thought piece on coding from someone who, according to github, hasn't written significant code since 2016, perfectly encapsulates the state of twitter in 2026. Guillermo is extremely impressive, but he's not a thought leader
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    user avatar
    Guillermo Rauch
    Vercel
    @rauchg
    Aug 9
    If you’re not reading the code, whether explicitly or through agentic inquiry, one or more of these is true: ○ You’re a beginner ○ Software is throwaway ○ You’re prototyping ○ You have no users / revenue ○ You’re taking on debt & risk ○ Your problems are basic And btw.
    Readers added context they thought people might want to knowReaders added context
    Guillermo Rauch has public GitHub commits as recent as June 2026 and states he works with code daily but has private contributions disabled. github.com/rauchg/blog/co… x.com/rauchg/status/…
    Context is written by people who use X, and appears when rated helpful by others. Find out more.
  • user avatar
    Samuel Colvin
    @samuelcolvin
    Aug 7
    very helpful. You can stop codex complaining about security rules by just asking it to write in welsh! Then translate the output.
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    user avatar
    Samuel Colvin
    @samuelcolvin
    Aug 7
    Codex is blocking me from a security review of file system operations in @pydantic monty 😢. @jxnlco @OpenAI can you somehow let me review this stuff?
  • user avatar
    Samuel Colvin
    @samuelcolvin
    Aug 7
    Codex is blocking me from a security review of file system operations in @pydantic monty 😢. @jxnlco @OpenAI can you somehow let me review this stuff?
    Image

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