LLM Reference

KAT Coder Pro V1

Released
2025-09-01
Last refreshed
2026-06-29
Status
Researched 45d ago
ProprietaryCommercial use: conditionalCodingRAGAgentsLong contextJSON / Tool use

KAT Coder Pro V1 is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.

Use it for

  • Teams evaluating coding, rag, and agents
  • Workloads that can use a 256k context window
  • Buyers comparing 1 tracked provider route

Do not use it for

  • Vision or document-understanding workloads
Specifications
Family
KAT
Released
2025-09-01
Context
256k
Architecture
Decoder Only
Specialization
code
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Created by

Kuaishou's AI coding division behind the KAT model family

Beijing, China
Website
Pricing
Output / 1M
$1.20
Input / 1M
$0.030

Cheapest of 1 route · Vercel AI Gateway · cache read $0.060

About

KAT-Coder-Pro V1 is Kwaipilot's first high-performance agentic coding model, achieving 73.4% on SWE-Bench Verified. It uses a Mixture-of-Experts architecture with approximately 72B active parameters. Context: 256K tokens. Proprietary, available via Vercel AI Gateway and OpenRouter.

KAT Coder Pro V1 is a proprietary model in the KAT family. The structured metadata tracks a 256k-token context window, function calling, and tool use. This page tracks provider routes through Vercel AI Gateway, with the cheapest tracked route listed at $0.03 input and $1.2 output per 1M tokens. No headline benchmark score is tracked for KAT Coder Pro V1 yet.

Top use-case fit: coding, agents, and build tasks

Coding

Included by capability and metadata signals in the decision map.

RAG

Included by capability and metadata signals in the decision map.

Agents

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
Vercel AI Gateway$0.030$1.20read $0.060
Serverless

Capabilities

Function CallingTool Use

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of KAT Coder Pro V1?

KAT Coder Pro V1 has a context window of 256k tokens.

How much does KAT Coder Pro V1 cost?

KAT Coder Pro V1 is available at $0.03/1M input tokens through Vercel AI Gateway.

When was KAT Coder Pro V1 released?

KAT Coder Pro V1 was released on 2025-09-01.

Which providers offer KAT Coder Pro V1?

KAT Coder Pro V1 is available from 1 provider: Vercel AI Gateway.