Moss

What drives engagement

Smart avg engagement per post across every post in this window. Gray rows at the bottom are under the sample floor (8+ posts per category, 8+ per format) — too few posts to trust the average.

Best day: Thursday. Best time block: 3pm–6pm UTC. Timing detail is in the Cadence chart above.

Best performing posts

• 2026-09-06 · Sri Raghu Malireddi · Hiring / Recruiting204 eng. (173 likes · 27 comments · 4 shares)

  We're hiring an ML Engineer at Moss (YC F25). Here's the honest version of the job. Most ML roles end when the model leaves the training env…

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• 2026-07-25 · Luke L. · Personal Story134 eng. (95 likes · 39 comments · 0 shares)

  From LAX to SF ✈️ Moss (YC F25) Flew me out! Working at Moss has been super stimulating, the environment here is amazing, and I've gotten so…

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• 2026-09-08 · Sri Raghu Malireddi · Celebratory Announcement115 eng. (97 likes · 16 comments · 2 shares)

  Moss (YC F25) just crossed 500K+ package installs. Five months ago I posted about hitting 100K. I remember refreshing the PyPI stats page li…

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• 2026-07-23 · Sri Raghu Malireddi · Event66 eng. (59 likes · 7 comments · 0 shares)

  Two weeks ago, two of our Moss (YC F25) team members came to me and said we should host the YC AI Startup School afterparty. I was skeptical…

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• 2026-07-16 · Sri Raghu Malireddi · Hiring / Recruiting60 eng. (51 likes · 5 comments · 4 shares)

  We're hiring a Software Engineer - SDK at Moss (YC F25). Most AI infrastructure companies treat SDKs as wrappers around APIs. We don't. At M…

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Worst performing posts — settled posts only (published ≥7 days before the data edge)

• 2026-07-13 · Harsha Nalluru · Product Update5 eng. (4 likes · 1 comments · 0 shares)

  Building Moss in the open, and here's an issue I'd genuinely love someone to take. Moss is open-source, sub-10ms on-device semantic search. …

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• 2026-07-16 · Harsha Nalluru · Industry Insight5 eng. (4 likes · 1 comments · 0 shares)

  Your median latency is a comforting lie. Everyone benchmarks p50. But your users live at p99, the one slow call in every hundred. And the mo…

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• 2026-07-16 · Harsha Nalluru · Industry Insight6 eng. (5 likes · 1 comments · 0 shares)

  Offline isn't the degraded mode. For a lot of products it's the better one. I turned my wifi off and ran our own search. Results came back i…

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• 2026-07-28 · Company page · Industry Insight7 eng. (7 likes · 0 comments · 0 shares)

  Your model isn't your bottleneck. Your stack is. The difference between an AI demo and a production AI system isn't the model. It's everythi…

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• 2026-07-08 · Harsha Nalluru · Product Update8 eng. (7 likes · 1 comments · 0 shares)

  The Moss feature people find last and love most: Sessions. A session is one local-first index you spin up live, use in real time, and pick b…

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