Claude Code Digest — Apr 20–Apr 23

Opus 4.7's tokenizer can spike your costs by 40% - measure before you upgrade. 40%+ increase in token costs with Opus 4.7 Trending Now 🔥 Opus 4.7 Tokenizer: Measure Before You Upgrade Opus 4.7's new tokenizer increases token usage by 40%+. Use the Claude Token Counter to avoid unexpected cost hikes. 📈 AgentBox SDK: Swap Sandboxes Seamlessly AgentBox SDK allows you to change coding agents and sandbox providers without altering your code, keeping interactive features intact.