Category
AI & Development
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AI & Development
8 min read →
56x Leverage: What Claude Code’s Max Plan Actually Costs at Today’s API Rates
We've spent the past several weeks dissecting Claude Code's cache management bugs, building fixes, and documenting hidden costs. There's still one question we owe a clean answer to: what does
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AI & Development
8 min read →
The Invisible Tax: Hidden Quota Burns and Phantom Rate Limits in Claude Code
Update (April 24, 2026): Anthropic published a post-mortem on April 23 acknowledging three issues: a reasoning effort default change (March 4–April 7), a caching bug that continuously cleared thinking on
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AI & Development
8 min read →
The Bugs Go Deeper: Silent Context Degradation in Claude Code
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 fix them. We thought we’d
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AI & Development
8 min read →
What Debugging Claude Code’s Cache Taught Us About AI Tooling Economics
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 bugs (not just the original
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AI & Development
7 min read →
Images That Won’t Die and Directories That Shouldn’t Be There
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 1568px) and a new tokenizer
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AI & Development
10 min read →
The Undocumented TTL Downgrade: How Exceeding Your Quota Makes Everything Worse
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 fetch interceptor — reading anthropic-ratelimit-unified-5h-utilization
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AI & Development
10 min read →
How to Get 99.5% Cache Hit Rate on Your Claude Code Subscription
How to Get 99.5% Cache Hit Rate on Your Claude Code Subscription VSITS — April 2026 We just finished a 61-hour Claude Code session on a Max 5x plan. 1,610
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AI & Development
10 min read →
What Does 5x Actually Mean?
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, Hacker News This is the
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AI & Development
25 min read →
The Three-Layer Gate: What Actually Happens When You Cross Your Claude Code Quota
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 "The 5-Minute Baseline", which documented
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AI & Development
17 min read →
The 5-Minute Baseline: What We Found in Claude Code’s Tools Array
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 improved cache stability in v2.1.104.