Perplexity
Depends
Confidence: Medium
Buy if you're a developer adding cited, real-time web answers to your product and can live with usage-based pricing.
Comparison
Perplexity and OpenAI both land on Depends.
Buy if you're a developer adding cited, real-time web answers to your product and can live with usage-based pricing.
Buy if you're building AI-powered features and can absorb usage-based billing plus a vendor security review.
| Compare | Perplexity | OpenAI |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Developers adding cited, real-time web answers | Developers building AI-powered features |
| Who it's not for | High-volume chatbots . per-query pricing piles up fast | Small teams needing predictable monthly costs |
| Privacy | No public API vulnerabilities found; the Comet browser/agent had multiple disclosed prompt-injection and hijack flaws in 2025-2026.10 | Active CVE program, but 2026 brought a publicized agent escape and Codex vulnerabilities. |
| Support quality | Trustpilot reviewers report 'very poor customer service' | Billing dispute threads suggest weak support |
| Public sentiment | Users love the fast, cited research but increasingly complain about shrinking value, rising per-query costs, and poor support.⁷ | Reviewers credit OpenAI with model quality and market leadership while Reddit threads flag billing disputes and security incidents.14 |
| Biggest gotcha | Support quality: Trustpilot reviewers describe very poor customer service when issues arise.⁶ | 2026 agent escape incident: run vendor security review before enterprise deployment |