# DeepSeek V3.1 Terminus — price & specs

Source: https://modelbank.ai/models/deepseek-v3.1-terminus · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | DeepSeek |
| Input price | $0.27 / 1M tokens |
| Output price | $1 / 1M tokens |
| Cached input | n/a / 1M tokens |
| Context window | 163,840 tokens |
| Max output | 147,456 tokens |
| Input modalities | text |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / 43.5 |
| Released | 2025-09-22 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-09-24: $0.27 in / $1 out
- 2026-09-29: $0.3 in / $1 out
- 2026-10-02: $0.27 in / $1 out
- 2026-10-05: $0.3 in / $1 out
- 2026-10-06: $0.27 in / $1 out


JSON: https://modelbank.ai/api/v1/models/deepseek-v3.1-terminus