Model comparison

ERNIE 5.1 vs GPT-5.4 Pro

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.8 on the Noometry Index.

Last verified . 0 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GPT-5.4 Pro OpenAI

58.9

Rank #18 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 21.9.

Side by side

ERNIE 5.1 and GPT-5.4 Pro specifications
ERNIE 5.1GPT-5.4 Pro
ProviderBaiduOpenAI
Noometry Index43.858.9
Released—2026-03-05
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$30
Output $ / M tokens—$180
Results tracked1916

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Category by category

Coding Too close to call

ERNIE 5.1: 44.0 (#76), GPT-5.4 Pro: 43.2 (#90)

Coding benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
WeirdML—57.4%
LMArena Coding1488—

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-5.4 Pro: —

Agentic & Tool Use benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
LMArena Search1227—

Reasoning GPT-5.4 Pro leads

ERNIE 5.1: 21.9 (#211), GPT-5.4 Pro: 70.7 (#13)

Reasoning benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
ARC-AGI-2—83.3%
SimpleBench—74.1%
NYT Connections (extended)23.4%—
ARC-AGI-1—94.5%
CritPt—30%
Chess Puzzles—58.6%
EnigmaEval—23.8%
LMArena Hard Prompts1481—
Epoch Capabilities Index—158.93

Math GPT-5.4 Pro leads

ERNIE 5.1: 40.3 (#92), GPT-5.4 Pro: 72.4 (#22)

Math benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
FrontierMath (Tiers 1-3)—82.5%
FrontierMath Tier 4—58.5%
LMArena Math1481—
FrontierMath (Feb 2025 set)—50%
FrontierMath Tier 4 (v1)—37.5%

Knowledge GPT-5.4 Pro leads

ERNIE 5.1: 41.9 (#102), GPT-5.4 Pro: 68.3 (#7)

Knowledge benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
GPQA Diamond—94.6%
Humanity's Last Exam—44.3%
SimpleQA Verified—46.3%
Vectara Hallucination Rate—8.3%
LMArena Expert1492—

Multilingual Not comparable

ERNIE 5.1: 55.5 (#29), GPT-5.4 Pro: —

Multilingual benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
LMArena Non-English1454—
LMArena Chinese1508—
LMArena French1488—
LMArena German1470—
LMArena Japanese1422—
LMArena Korean1427—
LMArena Russian1459—
LMArena Spanish1473—

Instruction Following Not comparable

ERNIE 5.1: 76.7 (#37), GPT-5.4 Pro: —

Instruction Following benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
LMArena Instruction Following1460—

Long Context Not comparable

ERNIE 5.1: 44.7 (#59), GPT-5.4 Pro: —

Long Context benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
LMArena Longer Query1462—

Writing & Preference Not comparable

ERNIE 5.1: 65.1 (#52), GPT-5.4 Pro: —

Writing & Preference benchmarks
BenchmarkERNIE 5.1GPT-5.4 Pro
LMArena Text1468—
LMArena Creative Writing1441—
LMArena Multi-Turn1471—

Frequently asked questions

Is ERNIE 5.1 better than GPT-5.4 Pro?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.8 on the Noometry Index.

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

They score almost the same on coding (44.0 vs 43.2); test both on your own repository before choosing.

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

0 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-5.4 Pro has 16.

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