a builder's codex
codex · operators · Benjamin Mann · ins_use-new-tools-as-new-tools

Use new tools as new tools, not as old tools — be ambitious and retry from scratch

By Benjamin Mann · Co-founder, Anthropic · 2026-04-28 · podcast · The Economic Turing Test, mission over money, transformative AI

Tier A · TL;DR
Use new tools as new tools, not as old tools — be ambitious and retry from scratch

Claim

Operators who use AI tools as upgraded versions of old tools (fancier autocomplete, slightly faster search) under-perform operators who treat them as new tools — pushing for ambitious, end-to-end outcomes and retrying from a clean prompt when stuck rather than iterating against broken context.

Mechanism

LLMs degrade fast when context is polluted by failed attempts. Repeated retries against the same broken state stack errors. Starting fresh with an ambitious end-state goal ("build the whole thing") gives the model room to plan its own decomposition, which is often better than the operator's. The discipline is two-part: ambitious framing, plus the willingness to throw away and re-prompt.

Conditions

Holds when:

Fails when:

Evidence

"People who use the new tools as if they were old tools tend to not succeed."

Specific pattern Mann names: Claude Code users who ask for ambitious changes and retry the prompt 3+ times outperform those who try once and bang on the same failure.

— Benjamin Mann on Lenny's Podcast, 2026-04-28

Signals

Counter-evidence

For some classes of debugging, preserving context is essential and resetting destroys hard-won state. The discipline is a heuristic, not an absolute.

Cross-references

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