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    Baidu: ERNIE 4.5 300B A47B

    baidu/ernie-4.5-300b-a47b

    Created Jun 30, 2025123,000 context
    $0.28/M input tokens$1.10/M output tokens

    ERNIE-4.5-300B-A47B is a 300B parameter Mixture-of-Experts (MoE) language model developed by Baidu as part of the ERNIE 4.5 series. It activates 47B parameters per token and supports text generation in both English and Chinese. Optimized for high-throughput inference and efficient scaling, it uses a heterogeneous MoE structure with advanced routing and quantization strategies, including FP8 and 2-bit formats. This version is fine-tuned for language-only tasks and supports reasoning, tool parameters, and extended context lengths up to 131k tokens. Suitable for general-purpose LLM applications with high reasoning and throughput demands.

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    Sample code and API for ERNIE 4.5 300B A47B

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    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.

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    Using third-party SDKs

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