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#Prompt Engineering

7 articles on Prompt Engineering — news, releases, guides and analysis from the SourceFeed engine.

Caveman-Speak Won't Cut Your Claude Bill 65%

JetBrains measured 8.5% on real agent workloads — the savings worth chasing are on the input side.

Anthropic's published prompt history shows pruning cycles and a shift from steering behavior to shipping product config.

Terence Tao's ChatGPT transcript shows why the same model does frontier math for experts and boilerplate for everyone else.

Anthropic cut 80% of Claude Code's system prompt for Claude 5 with no eval loss — your scaffolding is next.

The Claude 5 context-engineering playbook trades guardrails for interfaces, and much of your CLAUDE.md just became technical debt.

Developers are rendering code and system prompts as PNGs to exploit a massive loophole in LLM token pricing.

Trimming conversational bloat from prompts slashes API costs and keeps smaller, budget-friendly models focused on delivering accurate code.