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
147KMax output
Specification
USD per million tokens- Provider
- DeepSeek
- Model id
deepseek/deepseek-v3.1-terminus- Input
- $0.27
- Output
- $1.00
- Cached input
- Not published
- Context window
- 164K tokens
- Maximum output
- 147K 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 138 of the 340 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.
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Prices and specifications come from OpenRouter’s catalogue, last read 2 Nov 2026. A provider’s own price may differ; how this is collected.