DeepSeek V3 vs DeepSeek V3.1 Terminus
DeepSeek V3 is the cheaper option on input by 5%; DeepSeek V3.1 Terminus is cheaper on output by 3%. Figures below are per million tokens, from vendor pricing cited in our reporting.
| DeepSeek V3 | DeepSeek V3.1 Terminus | |
|---|---|---|
| Input per 1M tokens | $0.26 | $0.27 |
| Output per 1M tokens | $1.03 | $1 |
| Cached input per 1M | — | — |
| Context window | 164K tokens | 164K tokens |
| Parameters | — | — |
| Licence | open weights | open weights |
| Benchmark | — | — |
| Vendor | DeepSeek | DeepSeek |
| Released | — | — |
What the numbers say
- Input price gap: 5% ($0.26 vs $0.27).
- Blended three-to-one input/output rate: $1.80 for DeepSeek V3, $1.81 for DeepSeek V3.1 Terminus.
- Context: 164K tokens against 164K tokens.
- Licence: DeepSeek V3 is open weights; DeepSeek V3.1 Terminus is open weights.
Sources
DeepSeek V3 specs · DeepSeek V3.1 Terminus specs · Full price index