There is no inevitability in AI. We all have agency over what comes next: Path 1: Closed-code APIs, concentration of power, and a future decided by a handful of people in Silicon Valley and DC Path 2: Open-source AI, where everyone
OPEN SOURCE
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Unexpected: Rio 3.5 Open 397B becomes SOTA open source model
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Wait what? Rio 3.5 Open 397B, developed by IT company of Rio de Janeiro's city government is now SOTA open source and even outperforming Qwen 3.7? What is happening today. Never heard of them before.
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Exponential accumulation of AI capabilities and need for open weights
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We believe that capabilities will most likely continue to accumulate exponentially. We believe that a world where a handful of companies provide all AI is worse than one where many can develop it. We believe that open weights and the
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Open-source stack with 76k stars enables Chief Agent Operator to manage prompts
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Because the entire stack is completely open-source with over 76k GitHub stars, enterprise teams have total transparency to inspect, audit, or self-host the infrastructure. If you are ready to stop micromanaging individual prompts and let a Chief Agent Operator run the show, you
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Mistral gave up on frontier models; open weights bet hinges on China.
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I get that Mistral has largely given up on building frontier models, as many comments have pointed out, but it absolutely did not start out that way. (& a bet on being a vendor of frontier open weights models is only a good bet as long as Chinese labs are allowed to release them)
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Anthropic CEO discovers Chinese founder giving away architecture surpassing Claude for free
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Le CEO d’Anthropic qui ouvre X (Twitter)
— Jouhatsu | AI Influence Operator (@Jouhatsu_ai) 13 juin 2026
et découvre un fondateur chinois d'IA à 20 milliards de dollars distribuer gratuitement, en 40 minutes, l'architecture exacte qui surpasse Claude https://t.co/tZDSjCaIKh pic.twitter.com/IXs4QWENGPThe Anthropic CEO opens X (Twitter) and discovers a Chinese AI founder worth $20 billion distributing for free, in 40 minutes, the exact architecture that surpasses Claude.
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Mythos-class models won’t be open due to regulation and risks
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I don’t think this is going to result in more open weights models, as I wrote before the Anthropic news, if Mythos-level models are considered risky, China will also not want them to be open. And you can’t build a Mythos-class model without a very regulatable compute footprint
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New open-weight 30B model from Cohere for agentic coding
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New cool open-weight model from Cohere: a new lightweight 30B open-weight model for agentic coding tasks. It builds on Command A+ using parallel transformer design. Interesting, even though it's almost twice as small, it doubles
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Artificial Analysis launches AgentPerf, first agentic AI benchmark
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Artificial Analysis just announced AgentPerf, the industry’s first agentic AI benchmark. The benchmark uses several real-world agentic use trajectories and employs OpenCode agentic harness using three top open-source models with reasoning enabled 1/4
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Open-source models ensure humanity’s access to intelligence in AGI age
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Open-source models will become a critical component of civilizational resilience in the AGI age. They will ensure that humanity retains access to a meaningful level of intelligence, regardless of the decisions of any individual actor.