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Jay Hickey
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@jayhickey

Jay Hickey

@jayhickey
CTO @LimitlessAI. Previously @RewindAI, @RealityLabs, and @Uber_ATG
Seattle, WA
jayhickey.com
Joined July 2007
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  • @jayhickey
    Jay Hickey
    @jayhickey
    Dec 5, 2025
    Turbopuffer is on a tear! Matching Lucene (e.g. Elasticsearch) on FTS latency. They’ll match on search features soon, too. Insane ROI for startups: rock sold and affordable, no sharding or cluster management nightmares. My favorite piece of infra at Limitless.
    @turbopuffer
    turbopuffer
    @turbopuffer
    Dec 4, 2025
    FTS v2: up to 20x faster full-text search turbopuffer is now on par with Tantivy and Lucene for many queries, more to come v2 now in beta. 2 PRs away from all query plans being implemented. will be enabled in prod for all, shortly.
    Horizontal bar chart comparing turbopuffer FTS v1 vs v2 latencies for five queries on English Wikipedia, v2 much faster (3–20ms) vs v1 (8–174ms).
  • @jayhickey
    Jay Hickey
    @jayhickey
    Aug 10, 2025
    Yesterday: Company → Singular Product Experience Today: Company + Prompts + LLMs → Singular AI Product Experience Tomorrow: Company + Prompts + LLMs + Personal Context → Unique Per-User AI Product Experiences
    @sama
    Sam Altman
    OpenAI
    @sama
    Aug 7, 2025
    when you get access to gpt-5, try a message like "use beatbot to make a sick beat to celebrate gpt-5". it's a nice preview of what we think this will be like as AI starts to generate its own UX and interfaces get more dynamic. it's cool that you can interact with the
    00:00
  • @jayhickey
    Jay Hickey
    @jayhickey
    Mar 15, 2025
    It’s incredibly energizing to see people fall in love with the @LimitlessAI Pendant! It means the world to hear how much everyone appreciates the high-quality, frictionless experience we worked so hard to create. Stop racking your brain—get a Pendant.
    Limitless
    From limitless.ai
  • @jayhickey
    Jay Hickey
    @jayhickey
    May 8, 2024
    We’re building so many exciting things, join us and be at the center of AI software and hardware!
    @Stammy
    Stammy
    @Stammy
    May 8, 2024
    We just opened up some new roles at @LimitlessAI, including Head of Engineering and SWE roles (firmware, FE, systems BE, generalist) At Limitless we're building personalized AI powered by what you've seen, said, or heard - and we're doing that with software and hardware. LLMs
  • @jayhickey
    Jay Hickey
    @jayhickey
    Jul 26, 2023
    Rewind for iPhone is here! A truly personalized AI in your pocket! 🔍 Browse & search for anything you’ve seen (including screenshots) 🤖 Summarize and ask any question using AI 🔒 Private by design Download for free: apps.apple.com/us/app/rewind-…