DeepSeek: 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...
Everything else
| Max output | 33K |
|---|---|
| Input / 1M | $0.27 |
| Output / 1M | $1 |
| Cache read / 1M | $0.135 |
| Cache write / 1M | — |
| 1M in + 1M out | $1.27 |
| Takes | text |
| Returns | text |
| Tools | yes |
| Reasoning | optional |
| Open weights | yes |
| Released | 2025-09-22 |
| Knowledge cutoff | 2025-03-31 |
| Retires | — |
| Catalog id | deepseek/deepseek-v3.1-terminus |
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.