Benchmark Almanac

ERNIE-4.5-21B-A3B-Thinking

ERNIE-4.5-21B-A3B-Thinking ranks first on MuSR.

Baidu Released 9 Sep 2025 Family ERNIE 4.5 The lab's model card
12
Benchmarks with a score
1
Ranked first, out of five or more models
1
In the top three
Baidu Sep 2025

ERNIE-4.5-21B-A3B-Thinking

Open weights Small

No Epoch Capabilities Index score yet
  • AIME 2025 78% #93 /143
  • IFEval 84.3% #81 /126
  • Berkeley Function Calling Leaderboard (BFCL) 65% #33 /47

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Knowledge and language

BenchmarkScoreRankSource
BIG-Bench Hard 87.8% #10 of 71 Model card
MuSR 86.7% #1 of 6 Model card
WritingBench 8.65 #5 of 14 Model card
IFEval 84.3% #81 of 126 Model card
Multi-IF 63.3% #21 of 28 Model card
Chinese SimpleQA 49.1% #13 of 13 Model card

Math and science

BenchmarkScoreRankSource
ZebraLogic 89.8% #5 of 23 Model card
AIME 2025 78% #93 of 143 Model card

Coding

BenchmarkScoreRankSource
MBPP 80.2% #20 of 66 Model card
HumanEval+ 90.8% #9 of 27 Model card

Agents and tools

BenchmarkScoreRankSource
Berkeley Function Calling Leaderboard (BFCL) 65% #33 of 47 Model card
SnakeBench 18 #142 of 183 Official leaderboard

Its launch post

The benchmarks the lab chose to headline, with the scores it gave.