KAT Coder Pro V1

kwaipilot

KAT-Coder-Pro V1 is KwaiKAT's most advanced agentic coding model in the KAT-Coder series. Designed specifically for agentic coding tasks, it excels in real-world software engineering scenarios, achieving 73.4% solve rate on the SWE-Bench Verified benchmark. The model has been optimized for tool-use capability, multi-turn interaction, instruction following, generalization, and comprehensive capabilities through a multi-stage training process, including mid-training, supervised fine-tuning (SFT), reinforcement fine-tuning (RFT), and scalable agentic RL.

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Capabilities

Tool Use

Example Use Cases

Agentic coding task

Software engineering with tool use

Multi-turn coding workflow

Technical Specifications

Context Window

256,000 tokens

Max Output

128,000 tokens

Cache Miss Cost

$0.207 per 1M tokens

Non-Reasoning Cost

$0.828 per 1M tokens

Cache Read Cost

$0.0414 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus