Comparison
Harvey vs Perplexity Deep Research: which AI agent is better?
A side-by-side look at Harvey and Perplexity Deep Research on quality, price, capabilities and trust. Scores measure observable public data; prices come from each vendor's own pricing page. Every fact is sourced and dated.
| Harvey Harvey | Perplexity Deep Research Perplexity AI | |
|---|---|---|
| Agent Score | 42 | 59 |
| Entry price | On quote | $20/mo · free plan |
| Trust | ✓ VERIFIED | ✓ VERIFIED |
| Capabilities documented | 6 | 6 |
| Free plan | No | ✓ Yes |
| Free trial | — | — |
| Public API | — | ✓ Yes |
| MCP support | — | — |
| Open source | No | No |
| Last verified | 13 Oct 2026 | 07 Oct 2026 |
Score breakdown
| Component | Harvey | Perplexity Deep Research |
|---|---|---|
| Capabilities | 63 | 75 |
| Integrations | Not measured | 25 |
| Documentation | Not measured | Not measured |
| Pricing clarity | 40 | 100 |
| Transparency | 100 | 100 |
| Freshness | 100 | 100 |
| Human oversight | Not measured | 0 |
Choose Harvey if…
On the measured criteria, Perplexity Deep Research leads — see opposite.
Choose Perplexity Deep Research if…
- You want a higher Agent Score (59 vs 42).
- You want a free plan to start.
- You want a free plan.
- You want a public API.
See the full picture: Harvey · Perplexity Deep Research · all comparisons.