Which AI should you choose: ChatGPT, Claude or Perplexity?

None is universally better. ChatGPT excels in versatility and ecosystem (plugins, GPTs). Claude dominates long-context reasoning and nuanced writing. Perplexity wins on sourced real-time research. For a B2B francophone marketing team, the 2026 winning mix = Claude (strategic writing) + Perplexity (watch) + Mistral (EU sovereignty if sensitive).

Which AI should you choose: ChatGPT, Claude or Perplexity, implementation-side?

"Choosing an AI tool depends on four parameters, starting with (1) your dominant use case: writing points to Claude, sourced research to Perplexity, multimodal image or voice to ChatGPT, and code to ChatGPT or Claude," explains Lorenzo Eeman, founder of PROEMA. (2) User volume, under 5 users, individual $20/month accounts; beyond, Enterprise/Team with SSO and GDPR guarantees. (3) Data sensitivity, for sensitive EU customer data, prefer Mistral (Paris, EU hosting) or Claude Team (SOC 2). (4) Budget, Mistral Le Chat Pro at €14.99/month is 25% cheaper than Plus. PROEMA's 2026 selection grid: - Classic francophone B2B brand: Claude Pro + Perplexity Pro ($40/user/month) - Regulated brand (health, finance): Mistral Team + compliance audit - Multilingual e-commerce: ChatGPT Plus + Gemini Advanced - SME 10-50 people: single ChatGPT Enterprise

Classic trap: standardize on one tool. Your teams have divergent needs and each LLM has complementary strengths. A multi-tool policy with a charter beats an imposed monopoly.

What the 2026 numbers say on Which AI should you choose: ChatGPT, Claude or Perplexity

Public benchmarks converge on three signals. ChatGPT hit 900 million weekly active users in early 2026 (OpenAI announcement reported by TechCrunch on February 27, 2026). Google AI Overviews reached 47 % of European queries in March 2026 (Semrush Sensor 2026). Perplexity reported +800 % year-over-year query growth. In practical terms: informational traffic leaving Google's blue links for answer engines is no longer marginal, for a B2C F&B site, it typically runs 15-25 % of measurable traffic via Cloudflare AI Crawl Control or GA4 « ai-referrer » segments.

Why Which AI should you choose: ChatGPT, Claude or Perplexity isn't optional for serious brands

The 5W Citation Source Audit Q1 2026 shows LLMs concentrate citations on a tiny set of sources: Wikipedia (13.15 % at ChatGPT) + Reddit (11.97 %) = 25 % of citations, followed by vertical databases (Yelp, TripAdvisor, IMDB depending on context). For F&B brands, the problem is binary: either you're in the sources LLMs read, or you never show up, there is no « page 2 » of LLM citation. PROEMA's documented discipline targets exactly this presence: structure content via Schema.org, publish on hubs crawlers actually read, and lock down Author/Person + sameAs Wikidata to clear the confidence filter.

PROEMA operational rule for Which AI should you choose: ChatGPT, Claude or Perplexity

Translation: stop watching from the bench. By June 2026, a B2C F&B brand with no Schema.org Author/Person, no sameAs Wikidata, and no FAQPage gets approximately zero LLM citations on long-tail informational queries, confirmed across PROEMA verticals (expertvin.be, expertcafe.be, zeroproof.one). The fix isn't theoretical: it's three concrete deliverables (Schema markup audit + Wikidata entry + FAQ playbook 5-blocs structure) executed in six to eight weeks.