Comparison
Comet vs Exa: which AI agent is better?
A side-by-side look at Comet and Exa 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.
| Comet Perplexity | Exa Exa Labs | |
|---|---|---|
| Agent Score | 38 | 82 |
| Entry price | Free plan | Free plan |
| Trust | DECLARED | ✓ VERIFIED |
| Capabilities documented | 6 | 7 |
| Free plan | ✓ Yes | ✓ Yes |
| Free trial | — | — |
| Public API | — | ✓ Yes |
| MCP support | — | ✓ Yes |
| Open source | No | No |
| Last verified | — | 13 Oct 2026 |
Score breakdown
| Component | Comet | Exa |
|---|---|---|
| Capabilities | 50 | 88 |
| Integrations | Not measured | 50 |
| Documentation | Not measured | 100 |
| Pricing clarity | 100 | 100 |
| Transparency | 100 | 100 |
| Freshness | Not measured | 100 |
| Human oversight | Not measured | Not measured |
Choose Comet if…
On the measured criteria, Exa leads — see opposite.
Choose Exa if…
- You want a higher Agent Score (82 vs 38).
- You want more documented capabilities (7 vs 6).
- You want a public API.
- You want MCP support.
See the full picture: Comet · Exa · all comparisons.