Jonathan Ellis Profile
Jonathan Ellis

@spyced

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9K
Following
43K
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267
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20K

Brokk founder. Previously DataStax co-founder, JVector author, and Apache Cassandra project chair.

Austin, TX
Joined April 2009
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@spyced
Jonathan Ellis
25 days
Really pleased with how this came together. Thanks to @OpenAI for releasing GPT 5 last week just in time for the Power Ranking :). Analysis + thoughts in thread:.
@BuildWithBrokk
Brokk, Inc.
25 days
Introducing the Brokk Power Ranking: a new open-source coding benchmark with 93 tasks from real-world codebases. SWE-bench is Python-only and old enough that labs are likely training to the test. The Power Ranking uses tasks derived from recent commits to Apache Cassandra,
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@spyced
Jonathan Ellis
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RT @theo: TIL that Cloudflare routes as much as 50% of free tier US traffic to the EU when load is high during the day .
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@spyced
Jonathan Ellis
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RT @mattpocockuk: This is fundamental knowledge for using any AI tool effectively. Using AI without understanding context window is like dr….
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Jonathan Ellis
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RT @diptanu: A little secret that everyone building server-less systems know but I don't see being shared often - you have to move away fro….
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Jonathan Ellis
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RT @jeremyphoward: @simonw The barrier to entry being created here (companies need to spend millions buying and scanning books, or billions….
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Jonathan Ellis
8 hours
RT @patrickc: Someone on HN (which is often quite crypto-skeptical) asked why exactly businesses are finding crypto and stablecoins useful.….
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Jonathan Ellis
10 hours
RT @CenterforEdProg: How could the Department of Education put the focus on excellence with no new legislation?. 1. Clarify policy to encou….
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educationprogress.org
Our plan for a federal pro-excellence education agenda | Model Policy, 01
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Jonathan Ellis
12 hours
RT @jamesacowling: When leading an eng project you have four dimensions in your control: resources (people), timeline, quality, scope. Peo….
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Jonathan Ellis
12 hours
RT @Chris_Said: If folate deficiencies really did cause autism, then you would expect to see a sharp drop in the autism-by-birth-year curve….
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Jonathan Ellis
12 hours
RT @karpathy: I think congrats again to OpenAI for cooking with GPT-5 Pro. This is the third time I've struggled on something complex/gnarl….
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@spyced
Jonathan Ellis
13 hours
RT @sampullara: Unpopular opinion but Java is actually a great language with an extremely high performance JVM that also has sub millisecon….
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Jonathan Ellis
21 hours
One of Brokk's dependencies is obviously vibecoded. The maintainers can't fix any bugs without causing two more. Nobody can, the rot is pervasive. It's a popular project and the cracks are starting to show. We're rewriting it; we'll open source it when it's ready. Of course.
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Jonathan Ellis
22 hours
RT @VictorTaelin: that feeling of dread and despair when the AI is clearly unable to grasp what you're asking, and you realize you'll need….
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@spyced
Jonathan Ellis
1 day
RT @dhh: Campfire is now free! An entire chat system to run on your own server. We are running the official #RailsWorld conference chat on….
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github.com
Contribute to basecamp/once-campfire development by creating an account on GitHub.
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@spyced
Jonathan Ellis
1 day
RT @yacineMTB: it literally has.95% of my startup's code is written by an LLM.what the fuck are you guys talking about.
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Jonathan Ellis
1 day
RT @dilanesper: For the record, when I tweeted sometime in 2020 or 2021 that I thought there'd be significant learning loss from school clo….
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Jonathan Ellis
1 day
RT @prashantmital: myth #3: model intelligence is the same regardless of whether you use completions or responses. wrong again. responses….
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Jonathan Ellis
1 day
RT @__tinygrad__: @shiels_ai No! Ahhhhh I can't believe people fell for this. It's the same exact die as a 5090. Here's some 5090s throttle….
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@spyced
Jonathan Ellis
1 day
RT @woke8yearold: The new Austin city seal is deeply terrible. If you have ever wondered why so many states and cities change their flags a….
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Jonathan Ellis
1 day
RT @BEBischof: This debate has really captured the timeline. Sadly, most folks discussing it are mostly missing the nuance. I think Swyx u….
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Jonathan Ellis
2 days
RT @tomaarsen: Google just launched EmbeddingGemma: an efficient, multilingual 308M embedding model that's ready for semantic search & more….
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