DeepSeek V3.1 Terminus
by Helicone · family deepseek · listed Sep 2025RT
DeepSeek chat model for instruction following, coding, and analysis
Current rates USD per 1M tokens
Input$0.27
Output$1.00
Cache read$0.216
Cache write—
Against the market
On the record
- Model id
deepseek-v3.1-terminus- Context window
- 128K tokens
- Max output
- 16K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- Sep 2025
- Released
- 2025-09-22
- Last updated
- 2025-09-22
- Provider docs
- helicone.ai/models
Back of the envelope
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