DeepSeek V3.1 vs KAT-Coder-Pro V2
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for DeepSeek V3.1 and KAT-Coder-Pro V2.
DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
KAT-Coder-Pro V2
KAT-Coder-Pro V2 is the latest high-performance model in KwaiKAT’s KAT-Coder series, designed for complex enterprise-grade software engineering and SaaS integration. It builds on the agentic coding strengths of earlier versions,...
Technical Specifications
| Specification | DeepSeek V3.1 | KAT-Coder-Pro V2 |
|---|---|---|
| Provider | DeepSeek | Kuaishou |
| Context Window | 163,840 tokens | 256,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | self hostable | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-08-21 | 2026-03-27 |
API Pricing Comparison
Input Price per Million Tokens
DeepSeek V3.1
$0.21
KAT-Coder-Pro V2
$0.30
Output Price per Million Tokens
DeepSeek V3.1
$0.79
KAT-Coder-Pro V2
$1.20
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
DeepSeek V3.1 Quirks & Gotchas
No developer gotchas reported.
KAT-Coder-Pro V2 Quirks & Gotchas
No developer gotchas reported.