Mercury 3 vs Gemini 3.8 Flash
Mercury 3 is the cheaper option on input by 73%; Mercury 3 is cheaper on output by 81%. Figures below are per million tokens, from vendor pricing cited in our reporting.
| Mercury 3 | Gemini 3.8 Flash | |
|---|---|---|
| Input per 1M tokens | $0.20 | $0.75 |
| Output per 1M tokens | $0.70 | $3.75 |
| Cached input per 1M | — | — |
| Context window | 1M tokens | — |
| Parameters | — | — |
| Licence | proprietary | proprietary |
| Benchmark | — | — |
| Vendor | Inception | |
| Released | 20 Oct 2026 | 18 Sept 2026 |
What the numbers say
- Input price gap: 73% ($0.20 vs $0.75).
- Blended three-to-one input/output rate: $1.30 for Mercury 3, $6.00 for Gemini 3.8 Flash.
- Context: 1M tokens against —.
- Licence: Mercury 3 is proprietary; Gemini 3.8 Flash is proprietary.