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Kimbho Thoughts

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Strategy

There Is No Moat

The moat metaphor for competitive advantage assumed knowledge stays walled off, attackers arrive from one direction, and time favors defenders—but AI …
Siddharth35 min
Explainer

The Operating System Is Not a Vibe

The article argues that "operating system" has become a marketing compliment rather than a technical description, and that the term should be reserved…
Siddharth12 min
AI

Cheap Tokens, Expensive Decisions

Inference costs collapsed over 280-fold in eighteen months, but organizational decision-making—accountability, coordination, trust, and commitment—rem…
Siddharth5 min
How AI works

The Zipper, the Mask, and the Lost Write: How AI Picks the Right Numbers

PyTorch indexing follows three consistent rules—indexes become coordinates that broadcast together, masks become flattened lists of True positions, an…
Siddharth33 min
Explainer

One Score Is All You Get: GRPO From Scratch, With a Lava-Hopping Robot

GRPO replaces PPO's learned value critic with a group-relative baseline—sampling G runs per prompt and normalizing rewards by the group's mean and sta…
Siddharth33 min
Explainer

How a Single Click Trains a Chatbot: RLHF From First Principles

RLHF turns cheap pairwise human preferences into a trained reward model via Bradley–Terry, then uses policy gradients with a KL leash to push the chat…
Siddharth10 min
AI

Everything Is Commodity

The core thesis is that commoditization is sweeping through all three layers of the AI stack at once—software, models, and silicon—with each layer's c…
Siddharth20 min
AI Agents

The Loop Is the Breakthrough: Why GPT-6 Astra Feels Different

GPT-6 Astra's breakthrough is not raw intelligence but the quality of the execution loop wrapped around the model—combining runtime tools, environment…
Siddharth14 min
AI

The Collapse of the Core: When Intelligence Becomes the Integration Layer

Core banking and ERP systems' thirty-year moat was never the software itself but the prohibitive cost of understanding it—a cost now collapsing tenfol…
Siddharth20 min1
AI
AI Agents
Explainer