DeepSeek V3.1 Terminus pricing & price history
DeepSeek V3.1 Terminus by DeepSeek costs $0.27 per 1M input tokens and $1.00 per 1M output tokens, with a 164K token context window.
Price history
| Date | Input | Output |
|---|---|---|
| 2026-10-06 | $0.30 → $0.27 -10% | $1.00 → $1.00 |
| 2026-10-05 | $0.27 → $0.30 +11% | $1.00 → $1.00 |
| 2026-10-02 | $0.30 → $0.27 -10% | $1.00 → $1.00 |
| 2026-09-29 | $0.27 → $0.30 +11% | $1.00 → $1.00 |
Cost calculator
Cheaper alternatives to DeepSeek V3.1 Terminus
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
 GLM 5.3 Flash Z.ai (Zhipu) | $0.0399 | $0.0784 | 1M | 27.8 | compare |
DeepSeek V4 Flash 0731 DeepSeek | $0.0434 | $0.30 | 1M | — | compare |
DeepSeek V4.1 Flash DeepSeek | $0.022 | $0.40 | 1M | — | compare |
DeepSeek V4.1 Flash 1017 DeepSeek | $0.098 | $0.29 | 1M | 28.6 | compare |
 Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
 MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1.1M | 26.7 | compare |
Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
 Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | 36.5 | compare |
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About 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...
FAQ
How much does DeepSeek V3.1 Terminus cost?
DeepSeek V3.1 Terminus by DeepSeek costs $0.27 per 1M input tokens and $1.00 per 1M output tokens, with a 164K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.001.
What is the context window of DeepSeek V3.1 Terminus?
DeepSeek V3.1 Terminus supports up to 163,840 tokens of context and up to 147,456 output tokens per request.
Has DeepSeek V3.1 Terminus’s price changed?
Yes. ModelBank recorded 4 price changes; the latest on 2026-10-06.
Is DeepSeek V3.1 Terminus being deprecated?
No retirement date has been announced for DeepSeek V3.1 Terminus as of 2026-11-12.
What are cheaper alternatives to DeepSeek V3.1 Terminus?
Cheaper options include GLM 5.3 Flash ($0.0399/$0.0784), DeepSeek V4 Flash 0731 ($0.0434/$0.30), DeepSeek V4.1 Flash ($0.022/$0.40), DeepSeek V4.1 Flash 1017 ($0.098/$0.29).