---
id: "claim-ai-improves-speed-and-quality"
type: "claim"
source_timestamps: ["§ How the Pyramid Is Crumbling"]
tags: ["ai-capabilities", "productivity", "automation"]
related: ["entity-mckinsey-lilli", "entity-bcg-deckster", "entity-bain-sage", "entity-deloitte-zora", "entity-pwc-agent-os"]
confidence: "high"
testable: true
speakers: ["David S. Duncan", "Tyler Anderson", "Jeffrey Saviano"]
sources: ["reskilling"]
sourceVaultSlug: "hbr-seg-reskilling"
originDay: 10
articleStem: "hbr-edu-44-ai-changing-consulting-structure"
sourceUrl: "https://hbr.org/2025/09/ai-is-changing-the-structure-of-consulting-firms"
sourceTitle: "AI Is Changing the Structure of Consulting Firms"
---
# AI Performs Junior Tasks Faster, Cheaper, and Better

**Claim:** AI systems can now perform the tasks junior consultants spend weeks on — gathering data, analyzing it, modeling scenarios, and crafting slides — **faster, more cheaply, and in many cases better.** Cited evidence: [[entity-mckinsey-lilli-d10]] reducing research time by ~30%, and [[entity-bcg-deckster]] creating presentation decks in minutes. Additional firm tooling: [[entity-bain-sage]], [[entity-deloitte-zora]], [[entity-pwc-agent-os]].

**Source confidence:** high · **Testable:** yes.

**Enrichment assessment — strongly supported on speed/cost; "better" is context-dependent.**
- LinkedIn: "AI is able to do in minutes what takes junior analysts weeks: deep analysis, modeling scenarios, crafting slide decks."
- Strat-Bridge: "AI now does much of [entry-level work] faster and cheaper. The result is fewer entry roles and a disappearing apprenticeship model."
- Methus: "generative and predictive AI compress the delivery cycle from months to days… scenario analysis… within minutes."
- Boutique Consulting Club: AI "saves 30–50% consistently" on routinized base tasks.

**On "better":** the advantage is clearest in **consistency and coverage** (e.g., scanning *all* invoices/contracts — cf. [[entity-sib]]), while **judgment, trust, and outcome ownership remain human**. Quality is maximized through hybrid human-AI teams, not AI alone. Open sources do not confirm McKinsey's precise internal Lilli stats but describe firm-wide copilots aimed at the same effect. See risk caveats in [[concept-embedded-ai-ethics]].