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Zack Proser
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@zackproser

Zack Proser

@zackproser
Applied AI Engineer @ WorkOS. Full-stack open-source hacker and technical writer. I love building tools and sharing knowledge.
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Joined July 2010
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  • @zackproser
    Zack Proser
    @zackproser
    Aug 25
    Sampling Thinking Machines' Inkling taught me the pattern I use every day now: every endpoint in my lab speaks Anthropic's Messages API, so the client just sends "model":"thinkingmachines/inkling" — and the translation layer disappears.
    1
  • @zackproser
    Zack Proser
    @zackproser
    Aug 20
    I wanted to type a sentence and hear it spoken locally — no API key, no rate limit, no network. A 5B open-weight model, an Apple Silicon runtime, and a web app later, the gap between paid TTS and a laptop closed while I wasn't paying attention.
    1
  • @zackproser
    Zack Proser
    @zackproser
    Aug 18
    One rule has reshaped how I build agents: Never make the model explain the work. Make it put the work where review already happens — a PR, a draft, a diff. A chat reply evaporates. A reviewable artifact waits with your name on it until you decide.
    1
  • @zackproser
    Zack Proser
    @zackproser
    Aug 13
    A language model endpoint hides a resource allocator. Every accepted request asks for weights, activation space, and a KV cache that grows one token at a time.
    1
  • @zackproser
    Zack Proser
    @zackproser
    Aug 11
    On July 31, DeepSeek retrained its budget checkpoint, V4 Flash 0731, and it jumped ten points on the intelligence index at the same price — beating the lab's own flagship on nine agent benchmarks. The boundary between cheap and expensive models moved. Here's the full ledger.
    1