1. X
  2. andrew chen
Log inSign up
andrew chen
a16z speedrun 🧊
31.5K posts
Image
user avatar
andrew chen
a16z speedrun 🧊
@andrewchen
🇺🇸 a16z speedrun
andrewchen.substack.com
Joined April 2007
15.4K
Following
417.7K
Followers
RepliesRepliesMediaMedia
  • user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 4
    come work with me @roseajohnson and ex-growth folks from Replit, Slack, Instagram, Uber, and others. we're building a Growth Marketing team at a16z speedrun What you'll do: - grow our audience of founders, at every stage, globally - work across multiple channels: events, email,
    Image
    Jobs | Andreessen Horowitz
    From a16z.com
  • user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 4
    Come work w me and @roseajohnson on the Speedrun team! 👇🏼
    user avatar
    Rose Johnson
    a16z speedrun 🧊
    @roseajohnson
    Aug 4
    we just kicked off speedrun 007 (our biggest cohort yet), and we're excited to share that we're hiring! looking for a marketer to help grow the @speedrun brand. You'll own the campaign for founder applications and help us find even more amazing companies for future cohorts.
    Image
    Image
  • user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 4
    the fragility of product/market is shown each week in the never ending race as AI models improve improve improve newer models make prior ones obsolete, showing that PMF isn’t just about your product’s features, but how it compares to alternatives across the ecosystem
  • user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 3
    honestly pretty incredible DSV4 Flash 0731 versus Opus 4.6:
    Image
    user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 1
    just installed DeepSeek V4 Flash 0731 on my dual DGX sparks for some weekend testing! Let’s go!!
  • user avatar
    andrew chen
    a16z speedrun 🧊
    @andrewchen
    Aug 3
    unfortunately it might turn out that press/PR will have renewed importance because although no one ever reads TechCrunch anymore, AI does.. Counterpoint is that the content written on substack/newsletters/social tend to be deeper with more quantity - so maybe a lot of LLM

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.
Advertisement
Advertisement