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Being a great AI PM is hard. This newsletter makes it easy.

One clear idea per email. That’s it.

Recent

Why OpenAI Shut Down Sora, Its Own #1 App

Why OpenAI Shut Down Sora, Its Own #1 App

OpenAI's Sora hit No. 1 on the App Store and landed a $1B Disney deal, then shut down six months later. The story of why a viral hit got too expensive to survive.

This is How Perplexity Answers Your Questions

This is How Perplexity Answers Your Questions

Perplexity owns neither the models nor the content. Here's how that became a $22B strategy and why the open web is now suing it.

Sid Arora
Sid Arora
LLM-as-a-Judge: How One AI Grades Another (And When To Trust It)

LLM-as-a-Judge: How One AI Grades Another (And When To Trust It)

You can't human-review every AI output at scale. So you have one model grade another against a rubric. How LLM-as-a-judge works, and when to trust it.

Sid Arora
Sid Arora
The AI Flywheel: Why Some AI Products Become Viral

The AI Flywheel: Why Some AI Products Become Viral

Why do some AI products get smarter the more they are used, while others stall? It's because of the data flywheel: the loop that separates a feature from a moat.

Sid Arora
Sid Arora
How Uber Built an AI That Reviews PRDs Before Humans Do

How Uber Built an AI That Reviews PRDs Before Humans Do

Uber built an AI "PRD Evaluator" that assembles company-wide context to pressure-test product docs before human review. Here's how the system works.

Sid Arora
Sid Arora
What Is Context Rot And Why Your AI Gets Dumber The Longer You Talk to It

What Is Context Rot And Why Your AI Gets Dumber The Longer You Talk to It

Bigger context windows didn't fix AI quality but made it easier to overload the model without noticing. Here's what context rot is, why it happens, and the TRIM framework to fix it.

Sid Arora
Sid Arora
Learn Claude Code (For Free, Without Coding Experience)

Learn Claude Code (For Free, Without Coding Experience)

I've spent the last 6 months diving deep into building with Claude Code. And now I've created a FREE course that teaches you Claude Code inside Claude Code.

Sid Arora
Sid Arora
What Is Synthetic Data And Why Is It Replacing Human Labelling?

What Is Synthetic Data And Why Is It Replacing Human Labelling?

Most AI training data is no longer written by humans. Synthetic data, generated by AI models, is faster, cheaper, and often better. Here's how it works.

Sid Arora
Sid Arora
Airbnb Replaced Press 1 With Four ML Models That Actually Listen

Airbnb Replaced Press 1 With Four ML Models That Actually Listen

Airbnb replaced rigid phone menus with four ML models running in real time: ASR, intent detection, semantic retrieval, and paraphrasing. WER dropped from 33% to 10%.

Sid Arora
Sid Arora
What Is LLM Routing, And When Should You Use Multiple Models?

What Is LLM Routing, And When Should You Use Multiple Models?

Not every request needs your most expensive model. LLM routing sends simple tasks to cheap models and hard ones to smart ones, cutting costs 30-70%.

Sid Arora
Sid Arora
How Netflix Turns Generic LLMs into Recommendation Engines

How Netflix Turns Generic LLMs into Recommendation Engines

Netflix's recommendation engine drives 80% of viewing. Here's how they built a post-training framework to adapt LLMs for their catalogue from SFT to RL.

Sid Arora
Sid Arora
7 AI Agents Write This Newsletter

7 AI Agents Write This Newsletter

I built a 7-agent AI pipeline that writes my newsletter (JustAnotherPM) in 45 minutes instead of 8 hours. Here’s the full system, design decisions, and lessons learned.

Sid Arora
Sid Arora
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