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News of the day
1. Meta shifts from open-source Llama to proprietary Muse Spark, impacting developers with no migration path and raising concerns for the open-source community. → Read more
2. Google Cloud revenue exceeded $20B in Q1, up 63% YoY, driven by AI. Growth was capacity-constrained, with backlog doubling. → Read more
3. Anthropic's Claude AI shows promising results in bioinformatics, matching human expert performance on a new benchmark. Caveats apply. → Read more
4. Microsoft's Copilot now boasts over 20M paid users, with engagement matching Outlook, signaling strong enterprise adoption and daily use. → Read more
Our take
Hi Dotikers!
Yesterday we watched the White House orchestrate Anthropic's quiet return to federal agencies, careful not to deprive itself of Mythos. Today, Mark Zuckerberg falls in line and draws a line through three years of rhetoric. Llama, the model that was meant to be America's open source standard-bearer against OpenAI and Anthropic, officially moves to the second tier. Muse Spark, the new flagship from Meta Superintelligence Labs unveiled on April 8, is proprietary. No downloadable weights, no self-hosting, cloud access and private API for the lucky few.
The reversal is worth its weight in memes. In 2024, Zuckerberg was publishing his manifesto "Open Source AI is the Path Forward." In March 2025, Meta was celebrating one billion Llama downloads. Fifteen months later, the complete rebuild led by Alexandr Wang, recruited for $14.3 billion through the Scale AI stake, delivers a model scoring 52 on the Artificial Analysis Intelligence Index, compared to 18 for Llama 4 Maverick. The 34-point delta is the real announcement. Meta demonstrates, numbers in hand, that the closed path produces a model in a different category from the one it had been evangelizing since 2023.
For developers who built on Llama, the bill is steep. No migration path to Muse Spark, two incompatible deployment models, and the prospect of progressive stagnation for existing open weights. The options boil down to staying on a Llama that's losing ground, switching to Mistral, DeepSeek or Qwen, or paying for the API of OpenAI, Google or Anthropic. A tasty detail picked up by the press: Meta's own internal engineers had already migrated to Claude Sonnet well before Muse Spark landed.
America's open source champion just flipped off its own community. The moral weighing is left as an exercise for Beijing, which was waiting for nothing else to redistribute Qwen.
M.
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Meme of the day
