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Alex MacCaw
@maccaw
Fallible optimist. šŸ‘ØšŸ»ā€šŸŽØ Building @reflectnotes šŸ’° Investing earlgrey.capital šŸ¤“ Founded @clearbit
Austin, Texas
alexmaccaw.com
Joined March 2007
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39.1K
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  • user avatar
    Alex MacCaw
    @maccaw
    Oct 2, 2025
    As a senior software engineer, I can tell you that weā€™ve crossed a threshold in the last six months with Gemini 2.5, GPT-5, and more recently, Sonnet 4.5. I donā€™t really code anymore. I prompt and supervise. Iā€™m still needed, because the AI can drift into strange tangents. But
    980K
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    Alex MacCaw
    @maccaw
    Oct 11, 2022
    This is pretty mind-blowing: a podcast that is entirely generated by artificial intelligence where Joe Rogan interviews Steve Jobs. podcast.ai
  • user avatar
    Alex MacCaw
    @maccaw
    Jul 30, 2025
    You can now get on a flight, go fully offline, and chat to a GPT4 level model on your MacBook Air at 42 tokens a second. Insane.
    538K
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    Alex MacCaw
    @maccaw
    Jun 1, 2023
    šŸ™ƒ
    376K
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    Alex MacCaw
    @maccaw
    Feb 2, 2024
    Always worth remembering.
    276K
  • user avatar
    Alex MacCaw
    @maccaw
    Apr 6, 2023
    The "SF is not that bad" narrative that is getting peddled just blows my mind. Go walk around the place - it's nuts.
    571K
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    Alex MacCaw
    @maccaw
    Aug 22, 2022
    Replying to @maccaw
    A comic book.
  • user avatar
    Alex MacCaw
    @maccaw
    Aug 22, 2022
    It's fascinating what's happening on the Midjourney Discord forums. Here's some highlights:
  • user avatar
    Alex MacCaw
    @maccaw
    Aug 2, 2020
    One shock to me in moving to New Zealand is there is no Amazon. My mind hadn't even considered that a possibility.
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    Alex MacCaw
    @maccaw
    Mar 22, 2024
    What I'd love is an E-Ink phone that can play Spotify, order an Uber, display basic Google Maps, but it's completely and utterly dull to use.
    566K
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    Alex MacCaw
    @maccaw
    Jun 28, 2023
    a16z's pivot from crypto to AI is truly a PR masterclass.
    363K
  • user avatar
    Alex MacCaw
    @maccaw
    Feb 3, 2021
    Hear me out... onlyfans, but for venture capitalists.
  • user avatar
    Alex MacCaw
    @maccaw
    Jul 25, 2025
    I suspect generalized reasoning was solved just a few weeks ago and it flew completely under the radar. HRM, a new arch, reportedly has SOTA results on ARC-AGI 1 & 2 benchmarks with only 27 million parameters and ~1k training examples.
    170K
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    Alex MacCaw
    @maccaw
    May 9, 2024
    Two weeks ago we released Reflect on Apple's App Store - itā€™s been a disaster. Initially, we used TestFlight to distribute our iOS app, which worked well and allowed us to quickly iterate and ship updates. However, there was a cap on the number of users we could have.
    387K