anthropic

In our cache investigation series, we documented how prompt cache bugs were causing 10-20x cost inflation on Max plans. We built a fetch interceptor to

Update (April 17, 2026): This post was drafted April 7. In the 10 days since, the investigation expanded significantly: The interceptor now fixes 8+ cache

Opus 4.7 update (April 16, 2026): This post is more urgent than when we wrote it. Opus 4.7 introduces high-resolution image support (2576px, up from

Anthropic has moved enterprise plans to per-token billing. The seat fee covers platform access; all usage across Claude, Claude Code, and Cowork is billed separately

Two Ways to Lose Your Cache: The TTL Mechanisms Nobody Told You About In Part 3, we described the quota monitoring we built into our

What Does 5x Actually Mean? VSITS LLC — April 2026 "That '5x' is utterly meaningless because you don't know what it's 5x of." — bakugo,

The Three-Layer Gate: What Actually Happens When You Cross Your Claude Code Quota VSITS LLC — April 2026 This post is a follow-up to Friday's

Update (2026-04-13): Our original recommendation to pin Claude Code to v2.1.81 is now outdated. Anthropic has partially fixed the resume-scatter bug in v2.1.90 and further

In Part 2, we mapped out three bugs that break Claude Code's prompt caching: resume block scatter, fingerprint instability, and non-deterministic tool ordering. Each one

In Part 1, we showed that Claude Code sessions were burning through quota at 26-28% per turn — because the prompt cache was being rebuilt

We Taught Our AI Agents to Take Coffee Breaks (And It Saved Us Real Money) Here's something nobody tells you about Claude Code: when you