Noometry

Model comparison

ERNIE 5.1 vs GPT-5.4 mini

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 43.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Summary

  • They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 4 categories and GPT-5.4 mini in 4 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.4 mini leads 51.5 to 41.9.
  • The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 61.8% for GPT-5.4 mini.

Side by side

ERNIE 5.1GPT-5.4 mini
ProviderBaiduOpenAI
Noometry Index43.845.0
Released—2026-03-17
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$0.75
Output $ / M tokens—$4.50
Results tracked1946

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.4 mini leads

ERNIE 5.1: 44.0 (#76), GPT-5.4 mini: 45.2 (#72)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Coding14881438
FrontierCode—27%
LMArena WebDev—1397
SciCode—49.9%
WeirdML—60.3%
ALE-Bench—1,189

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-5.4 mini: 29.9 (#81)

BenchmarkERNIE 5.1GPT-5.4 mini
DeepResearch Bench—36.3%
LMArena Search1227—

Reasoning GPT-5.4 mini leads

ERNIE 5.1: 21.9 (#211), GPT-5.4 mini: 30.4 (#85)

BenchmarkERNIE 5.1GPT-5.4 mini
NYT Connections (extended)23.4%61.8%
LMArena Hard Prompts14811424
ARC-AGI-2—18.9%
Kagi LLM Benchmark—37.9%
ARC-AGI-1—63.7%
CritPt—10%
Chess Puzzles—24%
Thematic Generalization—61.7%
Mystery Game Puzzles—11%
DTBench—80%
LMCA—40.8%
Epoch Capabilities Index—148.84
ForecastBench—57

Math GPT-5.4 mini leads

ERNIE 5.1: 40.3 (#92), GPT-5.4 mini: 45.5 (#75)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Math14811419
FrontierMath (Tiers 1-3)—51.2%
FrontierMath Tier 4—9.8%
OTIS Mock AIME 2024-2025—88.9%
ProofBench—21%
FrontierMath (Feb 2025 set)—28.3%
FrontierMath Tier 4 (v1)—2.1%

Knowledge GPT-5.4 mini leads

ERNIE 5.1: 41.9 (#102), GPT-5.4 mini: 51.5 (#67)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Expert14921435
GPQA Diamond—86.9%
SimpleQA Verified—29.4%
Vectara Hallucination Rate—5.5%

Multimodal Not comparable

ERNIE 5.1: —, GPT-5.4 mini: 39.7 (#56)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Vision—1245

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.5 (#29), GPT-5.4 mini: 51.9 (#96)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Non-English14541405
LMArena Chinese15081446
LMArena French14881440
LMArena German14701409
LMArena Japanese14221374
LMArena Korean14271368
LMArena Russian14591417
LMArena Spanish14731405

Instruction Following ERNIE 5.1 leads

ERNIE 5.1: 76.7 (#37), GPT-5.4 mini: 74.1 (#102)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Instruction Following14601405

Long Context ERNIE 5.1 leads

ERNIE 5.1: 44.7 (#59), GPT-5.4 mini: 43.0 (#112)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Longer Query14621407

Writing & Preference ERNIE 5.1 leads

ERNIE 5.1: 65.1 (#52), GPT-5.4 mini: 64.0 (#58)

BenchmarkERNIE 5.1GPT-5.4 mini
LMArena Text14681412
LMArena Creative Writing14411370
LMArena Multi-Turn14711429
EQ-Bench Creative Writing—1665

Frequently asked questions

Is ERNIE 5.1 better than GPT-5.4 mini?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 43.8 on the Noometry Index.

Is ERNIE 5.1 or GPT-5.4 mini better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 44.0 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and GPT-5.4 mini share?

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-5.4 mini has 46.

Related comparisons

Go deeper