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ERNIE 4.5 300B A47B

Baidu · 2025-06-30 · 300.5B parameters

ERNIE 4.5 300B A47B is a Mixture-of-Experts text model from Baidu with 300B total parameters and 47B active per token. It is the instruction-tuned (post-trained) flagship of the open-weight ERNIE 4.5 family, aligned via supervised fine-tuning and preference optimization for instruction following, reasoning, math, and coding, and released under Apache 2.0 in June 2025.

Benchmark scores

BenchmarkScore
AA-LCR2.3
AA-Omniscience Index-35.9
AIME 202541.3
Antidote: Everyday Edition866
Artificial Analysis Intelligence Index9.0
Artificial Analysis Omniscience Accuracy18.7
Artificial Analysis Omniscience Hallucination Rate67.1
Artificial Analysis Openness Index55.6
BAZAAR TrueSkill Mu4.3
BullshitBench v2 Leaderboard4.0
Capability132.7
ComplexConstraints0.0
Confabulations Leaderboard Confabulation Rate25.2
Confabulations Leaderboard Non-Response Rate6.7
Confabulations Leaderboard Weighted Score16.0
CritPt0.0
GPQA Diamond81.1
Humanity's Last Exam (Text-Only)3.5
IFBench (Artificial Analysis)39.1
LisanBench Difficulty-Weighted41.0
LisanBench Path Length176
LiveCodeBench (Artificial Analysis)46.7
LLM Writing Style Diversity0.2
MATH-500 (Artificial Analysis source)93.1
MMLU Pro77.6
SciCode (Artificial Analysis)31.5
SnakeBench Average Apples3.5
SnakeBench Best Apples8.0
SnakeBench Rating23.2
SnakeBench Total Apples80.0
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