Ernie 4.5 21b A3b Thinking — Retired model
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.
Technical specifications
Frequently Asked Questions
Can I still use the retired Ernie 4.5 21b A3b Thinking model?
No. Ernie 4.5 21b A3b Thinking has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.
Relay integrity checks
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