Posts

All the articles I've posted.

• Ad Formats in LLM Products: What's Live vs. What's Research

  1 Jan, 2026 · 7 min read

  A survey of advertising formats in LLM products—separating what's deployed in production from what remains in research.

• Adding Ads in LLM/Chatbot: Character Training for Monetization

  1 Jan, 2026 · 4 min read

  Exploring how to integrate ads in LLMs through character training—making recommendations genuinely helpful rather than annoyingly promotional.

• Generative UI Doesn't Move the Needle—Steering Does

  31 Dec, 2025 · 10 min read

  After shipping multiple generative UI features, I've concluded that the sophistication of AI-generated interfaces often doesn't translate to user benefit—but steering does.

• RLHF from an Engineering Perspective: PPO, GRPO, DPO, and Tool-Use Implementation

  30 Dec, 2025 · 12 min read

  A practical engineering guide to RLHF implementation—covering PPO, GRPO, DPO, and tool-use training with code snippets and debugging tips.

• Post-Training Is Not 'One Algorithm': Objective Functions and Implementation Essentials for PPO / DPO / GRPO

  30 Dec, 2025 · 12 min read

  Reading notes on RLHF covering PPO, DPO, and GRPO—understanding post-training as an engineering pipeline rather than a single algorithm.

• What Worked (and What Didn't) When Training AEs and VAEs for Embedding Compression

  6 Sep, 2025 · 4 min read

  Practical lessons from training autoencoders and VAEs for embedding compression—covering dimension choice, KL scheduling, contrastive signals, and evaluation metrics.