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Baidu: ERNIE 4.5 21B A3B Thinking

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

Created Oct 9, 2025131,072 context
$0.07/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.

Recent activity on ERNIE 4.5 21B A3B Thinking

Total usage per day on OpenRouter

Prompt
2.86M
Reasoning
1.29M
Completion
203K

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