Model comparison

ERNIE 5.1 vs GPT-5

GPT-5 is the stronger model overall, scoring 50.9 to 43.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Summary

  • They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 3 categories and GPT-5 in 5 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where GPT-5 leads 69.5 to 44.7.

Side by side

ERNIE 5.1 and GPT-5 specifications
ERNIE 5.1GPT-5
ProviderBaiduOpenAI
Noometry Index43.850.9
Released—2025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked1969

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Category by category

Coding GPT-5 leads

ERNIE 5.1: 44.0 (#76), GPT-5: 50.3 (#47)

Coding benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Coding14881436
SWE-bench Verified—73.6%
SWE-bench Verified (bash only)—65%
Aider Polyglot—88%
LMArena WebDev—1418
SciCode—42.9%
GSO—6.9%
WeirdML—60.7%
ALE-Bench—1,162
AlgoTune—1.67

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-5: 33.1 (#56)

Agentic & Tool Use benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Search12271133
Terminal-Bench—49.6%
GDPval—34.8%
Remote Labor Index—1.7%
DeepResearch Bench—49.6%
BALROG—32.8%
METR Time Horizons—69.6%

Reasoning GPT-5 leads

ERNIE 5.1: 21.9 (#211), GPT-5: 38.3 (#64)

Reasoning benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Hard Prompts14811416
ARC-AGI-2—9.9%
SimpleBench—56.7%
Kagi LLM Benchmark—72.7%
NYT Connections (extended)23.4%—
ARC-AGI-1—65.7%
CritPt—12.6%
Chess Puzzles—37%
EnigmaEval—10.5%
EBR-Bench—12.7%
Mystery Game Puzzles—23%
DTBench—90.7%
LMCA—40%
Epoch Capabilities Index—150
ForecastBench—61.4

Math GPT-5 leads

ERNIE 5.1: 40.3 (#92), GPT-5: 55.0 (#44)

Knowledge GPT-5 leads

ERNIE 5.1: 41.9 (#102), GPT-5: 56.6 (#43)

Knowledge benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Expert14921419
GPQA Diamond—86.2%
Humanity's Last Exam—25.3%
SimpleQA Verified—50.1%
MMLU-Pro—86.3%
Confabulations—10.3%
Vectara Hallucination Rate—14.7%
GPQA (HELM)—79.2%

Multimodal Not comparable

ERNIE 5.1: —, GPT-5: 46.8 (#13)

Multimodal benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Vision—1232
GeoBench—81%
VPCT—66%

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.5 (#29), GPT-5: 51.4 (#110)

Multilingual benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Non-English14541397
LMArena Chinese15081422
LMArena French14881410
LMArena German14701416
LMArena Japanese14221409
LMArena Korean14271360
LMArena Russian14591406
LMArena Spanish14731399

Instruction Following ERNIE 5.1 leads

ERNIE 5.1: 76.7 (#37), GPT-5: 73.8 (#113)

Instruction Following benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Instruction Following14601388
IFEval—87.5%

Long Context GPT-5 leads

ERNIE 5.1: 44.7 (#59), GPT-5: 69.5 (#2)

Long Context benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Longer Query14621399
Fiction.LiveBench—97.2%

Writing & Preference ERNIE 5.1 leads

ERNIE 5.1: 65.1 (#52), GPT-5: 63.4 (#65)

Writing & Preference benchmarks
BenchmarkERNIE 5.1GPT-5
LMArena Text14681406
LMArena Creative Writing14411365
LMArena Multi-Turn14711426
Short-Story Creative Writing—86%
EQ-Bench Creative Writing—1627
WildBench—85.7%

Frequently asked questions

Is ERNIE 5.1 better than GPT-5?

GPT-5 is the stronger model overall, scoring 50.9 to 43.8 on the Noometry Index.

Is ERNIE 5.1 or GPT-5 better for coding?

GPT-5 scores higher on coding benchmarks: 50.3 versus 44.0 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and GPT-5 share?

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-5 has 69.

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