AI article
Only 3% of the Brain Wakes Up: The Mixture-of-Experts Playbook Behind September's Biggest Models
Community description: Two open-weight releases, twelve days apart. DeepSeek V4.1 Flash (September 10): 552 billion...
Dev.to | Oct 8, 2026 | Daniel Sam Pete Thiyagu
Automated excerpt
The router reads the token and scores every expert: scores = softmax(x · W_router). Expert capacity stops scaling linearly with depth. Total params = capacity (memory bill); active params = cost per token (compute bill).
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