SF·SIX / MODEL PROFILE
DeepSeek V3.1 Terminus
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...
DeepSeek V3.1 Terminus costs $0.27 per 1M input tokens and $1.00 per 1M output tokens at the standard tier, the lowest default-region price among the 2 providers SF·SIX tracks, from SiliconFlow (fp8). Updated ; prices checked .
- Developer
- DeepSeek
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 163,840
- Latest price observation
- 2026-10-17
- Lowest paired standard token quote
- $0.27 input / $1.00 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| SiliconFlowOpenRouter | $0.27 | $1.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| StreamLakeOpenRouter | $0.3426 | $1.03 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.