Skip to content
  12.  
    13. © 2023 – 2025 OpenRouter, Inc

    Baidu: ERNIE 4.5 21B A3B Thinking

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

    Created Oct 9, 2025131,072 context
    $0.07/M input tokens$0.28/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.

    Uptime stats for ERNIE 4.5 21B A3B Thinking

    Uptime stats for ERNIE 4.5 21B A3B Thinking across all providers