deepseek
DeepSeek: DeepSeek V3.1
DeepSeek V3.1 is an AI model with a substantial context length of 163,840 tokens and supports both tool integration and reasoning capabilities, making it suitable for complex tasks that require deep analysis. It handles text input exclusively, offering flexibility in processing textual data. Given its high cost at $0.25 per million input tokens and $0.95 per million output tokens, DeepSeek V3.1 is best suited for projects where budget is not a constraint but requires robust reasoning and tool support. With no independent benchmark coverage yet, users must weigh the model's potential against its price point before shortlisting it for their needs.
Quality Score
94/100
price + capability + benchmarks
Input Price
$0.25
per 1M tokens
Output Price
$0.95
per 1M tokens
Context Window
163,840
tokens
- Model ID
- deepseek/deepseek-chat-v3.1
- Vendor
- deepseek
- Released
- August 2025
- Tokenizer
- DeepSeek
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 32,768 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.25/M input and $0.95/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.17 |
| A month of a busy support chatbot | 5M in / 2M out | $3.15 |
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Quick answers
- How much does DeepSeek: DeepSeek V3.1 cost?
- $0.25 per million input tokens and $0.95 per million output tokens.
- What is DeepSeek: DeepSeek V3.1's context window?
- 163,840 tokens, roughly 245 pages of text in a single request.
- Does DeepSeek: DeepSeek V3.1 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can DeepSeek: DeepSeek V3.1 process images?
- No, it is text-only on the input side.