Father👨🍼 Spaniard 🇪🇸 in Japan 🇯🇵 Human nature connoisseur 🧘♂️ VPoE at @mercari_jp 💻 My opinions are my own 💭 Tweets in Spanish, English, and Japanese
Tokyo
Joined March 2007
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Carlos Donderis 🌊 retweeted
How is the internet less private than in 2006, when the whole family shared one computer?
Back then, the internet was weird, personal, and all of ours.
So, we got your favorite meme legends back together to say it louder: What happened to the internet? 1/3
[Nerd Alert]
Llevo casi 3 años dirigiendo mi última campaña de #dnd5e . Esta sea probablemente la campaña más ambiciosa de todas las que he diseñado y dirigido. Por supuesto he usado IA para generar muchas partes de la misma.
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El resultado me ha sorprendido.
echoes.amra.world/
Sabía que era una campaña masiva, pero al ver los datos ahora entiendo por qué me cuesta trabajo de vez en cuando recordar nombres y tramas... y por qué mis jugadores están también algo perdidos.
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Big Fan of this Model, I can't wait to test it in a project I'm brewing
Aloha!🌺 Meet Ornith-1.5-122B: No Tradeoff Between Strong and Fast
Stronger. Faster. Leaner. Ornith-1.5-122B delivers frontier-level capabilities with exceptional inference efficiency. With superior instruction following, stronger task decomposition, and deeper understanding of real-world workflows, it achieves state-of-the-art performance among open-source models of comparable size, while running on a single NVIDIA DGX card!!
Open weights under the MIT license.
Coding
✅SWE-bench Verified: 0.845
✅TB2.1: 0.813
✅CyberGym: 0.800
✅NL2Repo: 0.512
Agentic
✅HLE: 0.446
✅BrowseComp: 0.785
✅MCP-Atlas: 0.746
✅Toolathlon: 0.708
🤗Hugging Face: huggingface.co/ornith-ai/Orn…
We can’t wait to see what you build with Ornith-1.5-122B.
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Well, you have to admit that @OpenAI set the bar really high with this post openai.com/index/gpt-5-6/
Looking forward playing with this over the weekend.
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Mercari is rumping up its hiring.
As VPoE of AI Innovation I will be sharing some of the upcoming initiatives we will be working on, and the kind of talent we are looking for to make this happen!
📍セッション⑧
【AIでビジネス機会を形にする：メルカリの新規プロダクトと、新しいものづくり組織】
🎙️Carlos Donderis（@CaDs ）、篠原 孝明、井上 瑞希、菱井 康生
📅 15:45〜16:30 ※オンライン同時開催
従来のPdM・Designer・Engineerといった役割分担を前提にした開発から、各メンバーが1つのProjectを一気通貫で見通す作り方へ。その工夫や学び、うまくいかなかったことも含めて紹介します
I have spent the last 15 hours working with #fable5 , and I'm still forming an opinnion about it.
I definitely think is great and there is much to unpack and learn there, and yet I'm still REALLY looking forward the next iteraions of #haiku and Specially #sonnet. My favorite model. @claudeai plz 🙇♂️
🤖 Made with AI
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I will be a panelist at Code w/Claude Tokyo (Extended) Talking about how Mercari is building AI Native organizations.
claude.com/code-with-claude/…
If you happen to be there, come and say hello 👋
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