Author name: Anup Karanjkar

ai-agent, anthropic-claude, claude-code, developer-tools, performance-optimization

Why Your Claude Code Bill Is 5x What It Should Be (and these secretive 14 Cache Patterns That Fix…

Anup Karanjkar / May 19, 2026

A field guide to the prefix-match rule, the six v2.1.x patches that fix bugs you didn’t know existed, and the architecture that cuts a…Continue reading on Towards AI »

Artificial Intelligence, claude, Claude Opus, cost-optimization, software-development

Claude Opus 4.7

Anup Karanjkar / April 17, 2026

Anthropic’s new tokenizer, xhigh effort defaults, and the shrinkflation scandal that never got its full ending — plus the exact controls…Continue reading on Medium »

ai-cost-reduction, Artificial Intelligence, claude-code, developer-productivity, token-optimization

The $0.03 to $0.003 Playbook: 17 Brutal Strategies That Cut My Claude Costs by 90%

Anup Karanjkar / April 4, 2026

One developer burned $623 in a single month from unmonitored Claude loops. Another team was spending $4,545/month on a customer support…Continue reading on Medium »