Hy3 preview 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 Hy3 preview and KAT-Coder-Pro V2.
Hy3 preview
Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...
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 | Hy3 preview | KAT-Coder-Pro V2 |
|---|---|---|
| Provider | Tencent | Kuaishou |
| Context Window | 262,144 tokens | 256,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2026-04-22 | 2026-03-27 |
API Pricing Comparison
Input Price per Million Tokens
Hy3 preview
$0.06
KAT-Coder-Pro V2
$0.30
Output Price per Million Tokens
Hy3 preview
$0.21
KAT-Coder-Pro V2
$1.20
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Hy3 preview Quirks & Gotchas
No developer gotchas reported.
KAT-Coder-Pro V2 Quirks & Gotchas
No developer gotchas reported.