Blog

Thoughts on private AI chat, zero data retention, and building for privacy.

June 22, 2026

ZDR vs ZDC — Why Data Retention and Data Collection Aren't the Same Thing

A deep dive into the difference between Zero Data Retention and Zero Data Collection, why one is a subset of the other, and how we built model-level filtering for one but not the other.

privacyZDRZDCtechnicalresearch

June 21, 2026

Agentic Coding Burns Tokens — Here's How to Keep It in Check

Why AI coding assistants consume so many tokens and how ZDR Chat's cost tracking helps you stay in control.

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June 21, 2026

ZDR Chat Costs Us Next to Nothing — That's the Point

How a static PWA on Cloudflare's free tier keeps the lights on for ~$0/month and why that's good for your privacy.

architectureprivacyopen-source

June 21, 2026

Privacy Isn't Free — But It Should Be Cheap

Most 'free' AI apps make money from your data. ZDR Chat flips the model — you pay for tokens directly, nothing else.

pricingprivacyphilosophy

June 21, 2026

Here's What $1 of OpenRouter Credit Actually Gets You

Concrete examples of how far your money goes with pay-as-you-go AI through ZDR Chat.

pricinghow-totips

June 15, 2026

What is ZDR Chat?

A deep dive into ZDR Chat — a serverless, browser-local AI chat app that puts your privacy first.

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June 14, 2026

Zero Data Retention — What It Actually Means

A detailed breakdown of Zero Data Retention: what it means at the account, guardrail, and request level, and why per-request toggles can be misleading.

privacyZDRtechnical

June 13, 2026

Why Bring Your Own Key?

Exploring the privacy, security, and flexibility benefits of the Bring Your Own Key (BYOK) model for AI chat.

BYOKprivacyopenrouter