ChatGPT (incl. Work & Codex) vs Perplexity (incl. Comet)
Last checked 2026-10-15
Based on published features, pricing and documentation, checked 2026-10-15. No hands-on testing. No hands-on testing; this compares published information only.
| ChatGPT (incl. Work & Codex) | Perplexity (incl. Comet) | |
|---|---|---|
| Vendor | OpenAI | Perplexity |
| Summary | General assistant with Chat, Work (agent for long multi-step tasks and deliverables; replaced agent mode) and Codex (coding agent across app, editor, terminal and cloud). | Answer engine with cited search, Deep Research that can output presentations, spreadsheets, dashboards and sites, and the Comet AI browser. |
| Free tier | Yes (verified) | Yes (verified) |
| Cheapest verified paid plan | See official site | Pro: $17/mo billed annually (www.perplexity.ai/hub/pricing) |
| Plans | Free: Free Go: See official site Plus: See official site Pro: See official site Business / Enterprise: See official site | Free: Free Pro: $17/mo billed annually Max: $167/mo billed annually |
| Capabilities | Chat, Web search, Agent: multi-step tasks, Scheduled tasks, Cloud browser, Docs/slides/spreadsheets, Image generation, Voice, Coding agent (Codex), Cloud coding tasks, PR review, Computer use (Codex), App connectors | Cited web search, Deep Research, Structured outputs (slides, sheets, dashboards), AI browser (Comet), Browser actions, Connectors |
| Rubric score | 88/100 | 71/100 |
| Sources | help.openai.com/en/articles/20001275-chatgpt-work-and-codex chatgpt.com/codex/ chatgpt.com/pricing | www.perplexity.ai/comet/ www.perplexity.ai/changelog/what-we-shipped--march-27-2026 www.perplexity.ai/hub/pricing |
Tasks both are listed for (26)
- Cited quick answers
- Deep research report
- Literature scan
- Compare products or vendors
- Build an FAQ from tickets
- Analyze a spreadsheet
- Build a dashboard
- Multi-step browser task
- Make a slide deck
- Study plan
- SEO brief
- Competitor messaging analysis
Only ChatGPT (incl. Work & Codex) (84)
- Rewrite for tone
- Summarize a long document
- Proofread and fix grammar
- Outline a long-form article
- Draft in a shared canvas
- Style-guide enforcement
- Explain unfamiliar code
- Write unit tests
- Fix a failing build
- Refactor across files