Model comparison
DeepSeek-V3.1 vs Claude 4 Sonnet
Capability radar, value bars, and side-by-side posture.
DeepSeek-V3.1
Not scored
value score
Claude 4 Sonnet
91
value score
DeepSeek-V3.1 ctx
128K
Claude 4 Sonnet ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Sonnet91
Attribute tape
| Field | DeepSeek-V3.1 | Claude 4 Sonnet |
|---|---|---|
| Developer | deepseek-ai | Anthropic |
| Context | 128K | 200K |
| Modalities | Text, Code, Image | |
| Openness | Open Weights | Proprietary Model |
| Speed | — | Fast |
| Price | $0.27/1M in · $1.1/1M out | $3/1M in · $15/1M out |
| Value score | — | 91 |
| Summary | DeepSeek-V3.1 is an open-weight hybrid large language model that combines direct-response and step-by-step reasoning modes in a single model, optimized for chat, coding, tool calling, and multi-step agent tasks. It is DeepSeek's flagship general-purpose release, improving on prior V3/R1-era models in thinking efficiency and tool-use performance. | Balanced Claude model for coding and agents. |