Comparison · Productivity
Gemini in Gmail vs Spark Mail: which AI agent is better?
A side-by-side look at Gemini in Gmail and Spark Mail 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.
| Gemini in Gmail Google | Spark Mail | |
|---|---|---|
| Agent Score | 51 | 59 |
| Entry price | — | $10/mo |
| Trust | ✓ VERIFIED | ✓ VERIFIED |
| Capabilities documented | 6 | 5 |
| Free plan | No | No |
| Free trial | — | — |
| Public API | — | — |
| MCP support | — | — |
| Open source | — | — |
| Last verified | 12 Oct 2026 | 13 Oct 2026 |
Score breakdown
| Component | Gemini in Gmail | Spark Mail |
|---|---|---|
| Capabilities | 75 | 63 |
| Integrations | Not measured | Not measured |
| Documentation | 70 | 70 |
| Pricing clarity | Not measured | 100 |
| Transparency | 70 | 30 |
| Freshness | 100 | 100 |
| Human oversight | 100 | 100 |
Choose Gemini in Gmail if…
- You want more documented capabilities (6 vs 5).
Choose Spark Mail if…
- You want a higher Agent Score (59 vs 51).
- You want a lower entry price.
See the full picture: Gemini in Gmail · Spark Mail · more Productivity agents · all comparisons.