**Researcher / consultant pattern**: deep multi-source synthesis is the daily workload. Pro Search unlimited is the load-bearing feature; the model picker lets the consultant route hard questions to Claude Opus 4.8 for nuance, GPT-5.5 for structured output, Grok-3 for current-events recency. Effective tool stack: Perplexity Pro + ChatGPT Plus = $40/month, covering 95% of research + creation needs.
**Journalist pattern**: source-citation rigor matters more than model preferences. Pro Search's 6-20 source pulls per query and the structured citation format are the load-bearing features. File analysis for PDF source documents adds a second daily workflow. Pro alone at $20/mo is typically sufficient.
**Engineer / developer pattern**: Perplexity for documentation lookup, current API state, library comparison, error message research. The Pro API credit ($5/mo) enables building lightweight internal tools that automate recurring research. Pairs well with Cursor or Copilot for coding (see our Copilot vs Cursor vs Windsurf guide) — the IDE assistant handles code, Perplexity handles 'how does this library actually work' questions.
**Student pattern**: Perplexity Pro free via T-Mobile or similar carrier perks where eligible, otherwise $20/mo annual ($200/yr). Heavy use during exam periods, lighter use in summer. Often paired with the free tier of ChatGPT (saving $20/mo) because student workloads are research-heavy, not creation-heavy.
**Enterprise / legal / due-diligence pattern**: source citations are load-bearing for downstream documents (legal memoranda, M&A diligence reports, regulatory filings). Enterprise Pro at $40/seat/month for the no-training data guarantee + audit trail + SSO is the only legitimate option once a Compliance team is involved. Often combined with self-hosted vector search over internal documents; Perplexity provides the external-web research surface, internal vectors provide the proprietary-corpus surface.