1. X
  2. Tim Caswell
Log inSign up
Tim Caswell
22.6K posts
Tim Caswell profile banner
user avatar

Tim Caswell

@creationix
Lover of all things good in life including Family, Friends, Food, and Functional Programs. ⚒️ Creator of luvit.io, JS.git, and nvm.sh
The Woods
github.com/creationix
Joined September 2009
1,507
Following
8,468
Followers
RepliesRepliesMediaMedia
  • user avatar
    Tim Caswell
    @creationix
    Jun 22
    It's been so much fun to watch this be developed internally.
    user avatar
    Vercel Developers
    Vercel
    @vercel_dev
    Jun 22
    WebSockets are now supported on Vercel. Build realtime apps using standard Node.js libraries, including socket​.io. vercel.com/changelog/webs…
  • user avatar
    Tim Caswell
    @creationix
    Jun 20
    Well, that scored higher than expected.
  • user avatar
    Tim Caswell
    @creationix
    Apr 22
    Remember everyone, LLMs are amazing math models that can make extremely correct *looking* code. By pure coincidence, these are sometimes right and the more guardrails and feedback you give it, the more likely it's actually correct. But finding error is *very* hard, by design.
  • user avatar
    Tim Caswell
    @creationix
    Mar 12
    This was a fun project to work on! Again we balanced technical performance with operational complexity and found a really nice solution.
    user avatar
    Vercel Developers
    Vercel
    @vercel_dev
    Mar 10
    Bulk redirects on Vercel now scale to 1 million per project with near-constant lookup time. We shipped the simplest thing first, profiled it in production, and iterated from there ↓ vercel.com/blog/scaling-r…
  • user avatar
    Tim Caswell
    @creationix
    Jan 14
    Hey @theo, what's stopping you from adding code sandbox to t3.chat? Is the context required just too long or sandbox cost concerns or something else? I'd love a client-only wasm interpreter that can run some LLM based toy language as a tool call.
    T3 Chat - Advanced AI Assistant
    T3 Chat | AI chat with GPT-5, Claude, Gemini, and more
    From t3.chat

Log in or sign up for X

See what’s happening and join the conversation

Continue with phone
or
Log in with username or email
Terms·Privacy·Cookies·Accessibility·Ads Info·© 2026 X Corp.