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    Kwaipilot: KAT-Coder-Pro V1 (free)Free variant

    kwaipilot/kat-coder-pro:free

    Created Nov 10, 2025256,000 context
    $0/M input tokens$0/M output tokens

    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.

    Providers for KAT-Coder-Pro V1 (free)

    OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

    Performance for KAT-Coder-Pro V1 (free)

    Compare different providers across OpenRouter

    Apps using KAT-Coder-Pro V1 (free)

    Top public apps this week using this model

    Recent activity on KAT-Coder-Pro V1 (free)

    Total usage per day on OpenRouter

    Uptime stats for KAT-Coder-Pro V1 (free)

    Uptime stats for KAT-Coder-Pro V1 (free) across all providers

    Sample code and API for KAT-Coder-Pro V1 (free)

    OpenRouter normalizes requests and responses across providers for you.

    OpenRouter provides an OpenAI-compatible completion API to 400+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

    In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

    Using third-party SDKs

    For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

    See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.