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KwaiPilot

Kat Coder Air V2.5

Kat Coder Air V2.5 is the fast-response tier of KwaiPilot's KAT-Coder V2.5 pair. It keeps the context window of 256K tokens, output up to 80K tokens, and full tool surface of the Pro tier at a lower price. Your use is subject to KwaiPilot's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingVision (Image)
Use with AI GatewayView docs
import { streamText } from 'ai'


const result = streamText({
  model: 'kwaipilot/kat-coder-air-v2.5',
  prompt: 'Why is the sky blue?'
})
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Frequently Asked Questions

  • How does Kat Coder Air V2.5 compare to KAT-Coder Pro V2.5?

    KwaiPilot's model comparison lists a SWE-bench figure of 42.4% for Kat Coder Air V2.5 and 65.2% for kat-coder-pro-v2.5. The two tiers share a context window of 256K tokens, output up to 80K tokens, context caching, function calling, and MCP support, so the difference is capability rather than limits.

  • What is the context window and maximum output for Kat Coder Air V2.5?

    256K tokens of context and up to 80K tokens of output per request, the same limits as kat-coder-pro-v2.5.

  • What workloads does KwaiPilot recommend for Kat Coder Air V2.5?

    Fast-response agent workloads. KwaiPilot lists native OpenClaw support for the KAT-Coder V2.5 pair and points complex enterprise projects and SaaS integrations at kat-coder-pro-v2.5 instead.

  • Does Kat Coder Air V2.5 support function calling and MCP?

    Yes. KwaiPilot lists streaming output, context caching, MCP (Model Context Protocol), and function calling for Kat Coder Air V2.5.

  • Which programming languages does Kat Coder Air V2.5 cover?

    KwaiPilot lists more than 20 mainstream programming languages, including C, C++, Java, and Python.

  • How do I call Kat Coder Air V2.5 through AI Gateway?

    Set the model identifier to kwaipilot/kat-coder-air-v2.5 and use your AI Gateway API key. Kat Coder Air V2.5 works through the AI SDK as well as the Chat Completions API and the other request formats AI Gateway accepts.

  • What does Kat Coder Air V2.5 cost?

    Current rates appear in the pricing panel on this page, including cached input reads at $0.03 per million tokens. AI Gateway reflects provider pricing, and StreamLake serves Kat Coder Air V2.5.

  • When was Kat Coder Air V2.5 released?

    July 10, 2026, alongside kat-coder-pro-v2.5.

  • Is Zero Data Retention available for Kat Coder Air V2.5?

    Zero Data Retention is not currently available for this model. Zero Data Retention is offered on a per-provider basis. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.