DeepSeek V3.1 Terminus vs Claude 4.1 Opus

Detailed comparison of capabilities, features, and performance.

Feature
DeepSeek V3.1 Terminus
Claude 4.1 Opus
Model Image
DeepSeek V3.1 Terminus
Claude 4.1 Opus
AI Lab
DeepSeek
Anthropic
Context Size
163,840 tokens
200,000 tokens
Max Output Size
32,000 tokens
64,000 tokens
Frontier Model
No
Yes
Vision Support
No
Yes
Description
A large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes. USA hosted, it improves tool use, code generation, and reasoning efficiency.
The latest Opus 4.1 model from Anthropic

Try both models in your workspace

Access both DeepSeek V3.1 Terminus and Claude 4.1 Opus in a single workspace without managing multiple API keys.

Create your workspace