Gemini 3.8 Flash vs DeepSeek V4.1 Flash
DeepSeek V4.1 Flash is the cheaper option on input by 60%; DeepSeek V4.1 Flash is cheaper on output by 68%. Figures below are per million tokens, from vendor pricing cited in our reporting.
| Gemini 3.8 Flash | DeepSeek V4.1 Flash | |
|---|---|---|
| Input per 1M tokens | $0.75 | $0.30 |
| Output per 1M tokens | $3.75 | $1.20 |
| Cached input per 1M | — | — |
| Context window | — | — |
| Parameters | — | — |
| Licence | proprietary | MIT (open weights) |
| Benchmark | — | DeepSWE: 77 |
| Vendor | DeepSeek | |
| Released | 18 Sept 2026 | 18 Oct 2026 |
What the numbers say
- Input price gap: 60% ($0.75 vs $0.30).
- Blended three-to-one input/output rate: $6.00 for Gemini 3.8 Flash, $2.10 for DeepSeek V4.1 Flash.
- Context: — against —.
- Licence: Gemini 3.8 Flash is proprietary; DeepSeek V4.1 Flash is MIT (open weights).
Sources
Gemini 3.8 Flash specs · DeepSeek V4.1 Flash specs · Full price index