The profession of consultant (strategy, organization, IT, transformation) is one of the most impacted by generative AI. Production of mission reports, structured PowerPoint presentations, strategic diagnostics, competitive benchmarks: so many deliverables that AI can drastically accelerate. Core value (quality of advice, client relationship, arbitration capacity) remains human, but the production/reflection ratio changes profoundly. This guide presents workflows that multiply the consultant without turning the profession into a simple PowerPoint production chain.
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Will AI kill the consultant profession?
The profession changes, but doesn't disappear. Slides and report production commoditizes — a junior + AI produces as much as a senior from 5 years ago. Value shifts to: quality of advice, strategic synthesis capacity, client relationship, operational execution. Firms not adapting lose margin; those who do increase productivity 30-50%.
Which LLM for producing consulting deliverables?
Claude excels at long, structured reports in French. ChatGPT-5 is punchy for executive slides. Gamma and Tome directly generate PowerPoint presentations from a brief. Perplexity for benchmarks and intelligence with clickable sources.
How to guarantee client confidentiality?
Solutions: Claude for Work, ChatGPT Enterprise (contractual no-training), or dedicated consulting platforms (Pigeon, Decisive, etc.). Many firms have deployed internal LLMs in 2025-2026. For the most sensitive data, prior anonymization is essential.
Can AI produce a relevant strategic diagnosis?
For framework and framing (Porter, SWOT, BCG, McKinsey 7S): yes, in minutes. For strategic relevance (non-obvious insights, context reading, sector intuitions): no, that's human value. The rule: AI to quickly structure, expert to dig deep and interpret.
What impact on client billing?
Real tension. If you billed 5 days to produce a report and now do it in 2: the client knows or will know. Strategies: (a) increase advice scope at same time, (b) bill by value rather than time, (c) lower unit price but increase volume. Firms not adapting get commoditized.