DeepSeek
DeepSeek V3.1 Terminus API pricing
DeepSeek V3.1 Terminus is DeepSeek’s model on the API market, released 22 Sept 2025. Prices are per million tokens in USD, as last read from the price list.
$0.27Input / 1M
$1.00Output / 1M
164KContext
33KMax output
Specification
USD per million tokens- Provider
- DeepSeek
- Model id
deepseek/deepseek-v3.1-terminus- Input
- $0.27
- Output
- $1.00
- Cached input
- $0.14
- Context window
- 164K tokens
- Maximum output
- 33K tokens
- Takes
- text
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 22 Sept 2025
- First tracked
- 17 Sept 2026
At $0.27 per million input tokens, DeepSeek V3.1 Terminus is dearer than 130 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
More from DeepSeek
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- DeepSeek V4.1 Flash$0.15 in · $0.60 out
- DeepSeek V4 Flash Vision Exp$0.22 in · $0.66 out
- DeepSeek V3.1$0.25 in · $0.95 out
- DeepSeek V3 0324$0.25 in · $1.00 out
- DeepSeek V3.2$0.27 in · $0.40 out
- DeepSeek V3.2 Exp$0.27 in · $0.41 out
Prices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.