Updated

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The Strategy Stack.

strategists, consultants and senior leaders doing analysis, synthesis and decision support

Workflow

scan & research (Perplexity Deep Research) → think & synthesise (Claude Opus) → model & cost (Claude for Excel / code) → produce (deck tool) → monitor (your Landscape + a primary feed).

Core stack

Claude Opus · Perplexity · Claude for Excel · a deck tool.

Verdict

spend your quality budget on the strongest reasoning model as a sparring partner; use Perplexity for anything needing a citation. The tools draft; you decide.

Gotchas

verify every cited figure — models invent market data confidently; a slick deck can launder a weak argument. Claude Opus is now Opus 5.5 (22 September 2026), and Claude for Excel is generally available (May 2026). No other material change found since 2026-06-03.

Updated 2026-10-07 · Review by 2027-01-05