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    Baidu: ERNIE 4.5 21B A3B Thinking

    baidu/ernie-4.5-21b-a3b-thinking

    Created Oct 9, 2025131,072 context
    $0.056/M input tokens$0.224/M output tokens

    ERNIE-4.5-21B-A3B-Thinking is Baidu's upgraded lightweight MoE model, refined to boost reasoning depth and quality for top-tier performance in logical puzzles, math, science, coding, text generation, and expert-level academic benchmarks.

    Recent activity on ERNIE 4.5 21B A3B Thinking

    Total usage per day on OpenRouter

    Prompt
    1.47M
    Reasoning
    288K
    Completion
    85K

    Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.