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Zack Chapple
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Zack Chapple
@Zackary_Chapple
co-founder and ceo @zephyrcloudio
Katılım Nisan 2022
1.8K Takip Edilen1.2K Takipçiler
Zack Chapple retweetledi

MiMo-V2-Pro & Omni & TTS is out. Our first full-stack model family built truly for the Agent era.
I call this a quiet ambush — not because we planned it, but because the shift from Chat to Agent paradigm happened so fast, even we barely believed it. Somewhere in between was a process that was thrilling, painful, and fascinating all at once.
The 1T base model started training months ago. The original goal was long-context reasoning efficiency. Hybrid Attention carries real innovation, without overreaching — and it turns out to be exactly the right foundation for the Agent era. 1M context window. MTP inference for ultra-low latency and cost. These architectural decisions weren't trendy. They were a structural advantage we built before we needed it.
What changed everything was experiencing a complex agentic scaffold — what I'd call orchestrated Context — for the first time. I was shocked on day one. I tried to convince the team to use it. That didn't work. So I gave a hard mandate: anyone on MiMo Team with fewer than 100 conversations tomorrow can quit. It worked. Once the team's imagination was ignited by what agentic systems could do, that imagination converted directly into research velocity.
People ask why we move so fast. I saw it firsthand building DeepSeek R1. My honest summary:
— Backbone and Infra research has long cycles. You need strategic conviction a year before it pays off.
— Posttrain agility is a different muscle: product intuition driving evaluation, iteration cycles compressed, paradigm shifts caught early.
— And the constant: curiosity, sharp technical instinct, decisive execution, full commitment — and something that's easy to underestimate: a genuine love for the world you're building for.
We will open-source — when the models are stable enough to deserve it.
From Beijing, very late, not quite awake.
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Holy crap... with the @nextjs 16.2 update the next server is now using 10GB+ of memory and my MacBooks fan is running constantly (before it never even turned on).
What's going on here...

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Zack Chapple retweetledi
Zack Chapple retweetledi

kimi is here. workers ai is officially in the big model serving game
blog.cloudflare.com/workers-ai-lar…
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@_mchenco @threepointone On launchpad cohort announcement day too!!
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Eli Lilly’s experimental weight-loss drug retatrutide met the primary and key secondary endpoints in a trial, showing significant reductions in weight loss and blood sugar levels. on.wsj.com/4uSOB7Y
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@GergelyOrosz Heard some interesting things from our customers about similar things, and 3-5x increase cost of the plans
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Zack Chapple retweetledi

@nanogenomic Does this mean we can get a peptide or a series of peptides that can mimic Trenbolone with less of the negative side effects.
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Zack Chapple retweetledi

Shipped Tailwind CSS v4.2.2 today, with support for @vite_js 8.0 ⚡
github.com/tailwindlabs/t…
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@zeeg Move to Zephyr and deploy to Cloudflare? Will happily get you a OSS account.
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@youyuxi @jait_chen @andrewvijay Would it be possible to open a PR to this to improve where Rolldown / Vite 8 is misconfigured or missing optimizations? github.com/rstackjs/build…
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@jait_chen @andrewvijay Lots of great optimizations going on for rspack but rolldown is faster, period.
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🧵 I just reverse-engineered the binaries inside Claude Code's Firecracker MicroVM and found something wild:
Anthropic is building their own PaaS platform called "Antspace" (Ants + Space).
It's a full deployment pipeline — hidden in plain sight inside the environment-runner binary. Here's what I found 👇

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@Zackary_Chapple @youyuxi @voidzerodev Ha I already dmed him 😅 its not exactly a bug. Just a commonjs/esm difference thats easy to hit. We could polyfill these in esm but im not sure we should. Im pro ESM. Better path might be to error this on build or compat check
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Maybe @youyuxi and one of the @voidzerodev folks know the Vite/ESM thing
Steve Faulkner@southpolesteve
@matteocollina @Zackary_Chapple Ended up taking a crack myself and got it it working locally. Draft PR here github.com/platformatic/k… Filed issue for the hiccup I hit which is more of a Vite/ESM thing around __dirname github.com/cloudflare/vin…
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@dillon_mulroy @zeeg @southpolesteve wish writing tanstack start blocks were what you call a good time 👀
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