Model comparison

ERNIE 5.1 vs o1

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 40.6 on the Noometry Index.

Last verified . 17 shared benchmarks.

ERNIE 5.1 Baidu

43.1

Rank #87 Confirmed

o1 OpenAI

40.6

Rank #140 Confirmed

Summary

  • They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 4 categories and o1 in 4 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where ERNIE 5.1 leads 65.3 to 55.8.

Side by side

ERNIE 5.1 and o1 specifications
ERNIE 5.1o1
ProviderBaiduOpenAI
Noometry Index43.140.6
Released—2024-09-12
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$15
Output $ / M tokens—$60
Results tracked1952

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Category by category

Coding o1 leads

ERNIE 5.1: 43.4 (#78), o1: 45.7 (#64)

Coding benchmarks
BenchmarkERNIE 5.1o1
LMArena Coding14881367
Aider Polyglot—61.7%
WeirdML—47.6%
LiveBench Coding—69.7%
CadEval—56%
HumanEval+—89%
MBPP+—80.2%

Agentic & Tool Use Not comparable

ERNIE 5.1: —, o1: 24.3 (#111)

Agentic & Tool Use benchmarks
BenchmarkERNIE 5.1o1
Cybench—10%
LMArena Search1227—
METR Time Horizons—51.1%

Reasoning o1 leads

ERNIE 5.1: 20.9 (#209), o1: 27.5 (#103)

Reasoning benchmarks
BenchmarkERNIE 5.1o1
LMArena Hard Prompts14811372
SimpleBench—41.7%
NYT Connections (extended)23.4%—
ARC-AGI-1—30.7%
Chess Puzzles—15%
EnigmaEval—5.7%
LiveBench Reasoning—91.6%
DTBench—74.7%
LiveBench Data Analysis—65.5%
LMCA—22.3%
Epoch Capabilities Index—141.92
LiveBench—75.7%

Math ERNIE 5.1 leads

ERNIE 5.1: 37.5 (#96), o1: 34.9 (#150)

Math benchmarks
BenchmarkERNIE 5.1o1
LMArena Math14811388
FrontierMath (Tiers 1-3)—14.7%
OTIS Mock AIME 2024-2025—73.3%
LiveBench Math—80.3%
MATH Level 5—94.7%
FrontierMath (Feb 2025 set)—9.3%

Knowledge Too close to call

ERNIE 5.1: 41.2 (#103), o1: 41.5 (#101)

Knowledge benchmarks
BenchmarkERNIE 5.1o1
LMArena Expert14911362
GPQA Diamond—76.8%
Humanity's Last Exam—8%
SimpleQA Verified—41.1%
Confabulations—11.7%

Multimodal Not comparable

ERNIE 5.1: —, o1: 33.6 (#87)

Multimodal benchmarks
BenchmarkERNIE 5.1o1
LMArena Vision—1168
GeoBench—80%
VPCT—37%
SpatialViz-Bench—41.4%

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.7 (#28), o1: 48.8 (#137)

Multilingual benchmarks
BenchmarkERNIE 5.1o1
LMArena Non-English14551359
LMArena Chinese15071394
LMArena French14861343
LMArena German14701337
LMArena Japanese14221346
LMArena Korean14281396
LMArena Russian14591356
LMArena Spanish14721345

Instruction Following ERNIE 5.1 leads

ERNIE 5.1: 76.9 (#35), o1: 75.0 (#82)

Instruction Following benchmarks
BenchmarkERNIE 5.1o1
LMArena Instruction Following14601368
LiveBench Instruction Following—81.5%

Long Context o1 leads

ERNIE 5.1: 44.7 (#56), o1: 50.3 (#9)

Long Context benchmarks
BenchmarkERNIE 5.1o1
LMArena Longer Query14621378
Fiction.LiveBench—83.3%

Writing & Preference ERNIE 5.1 leads

ERNIE 5.1: 65.3 (#50), o1: 55.8 (#139)

Writing & Preference benchmarks
BenchmarkERNIE 5.1o1
LMArena Text14681366
LMArena Creative Writing14401347
LMArena Multi-Turn14711368
Short-Story Creative Writing—70.2%
LiveBench Language—65.4%

Frequently asked questions

Is ERNIE 5.1 better than o1?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 40.6 on the Noometry Index.

Is ERNIE 5.1 or o1 better for coding?

o1 scores higher on coding benchmarks: 45.7 versus 43.4 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and o1 share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and o1 has 52.

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