Noometry

Model comparison

ERNIE 5.1 vs GPT-6 Astra

GPT-6 Astra is the stronger model overall, scoring 70.3 to 43.1 on the Noometry Index.

Last verified . 15 shared benchmarks.

ERNIE 5.1 Baidu

43.1

Rank #87 Confirmed

GPT-6 Astra OpenAI

70.3

Rank #1 Confirmed

Summary

  • They share 15 benchmarks with published results for both. ERNIE 5.1 scores higher in 3 categories and GPT-6 Astra in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-6 Astra leads 85.1 to 20.9.
  • The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 98.1% for GPT-6 Astra.

Side by side

ERNIE 5.1GPT-6 Astra
ProviderBaiduOpenAI
Noometry Index43.170.3
Released—2026-09-03
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$10
Output $ / M tokens—$50
Results tracked1951

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Category by category

Coding GPT-6 Astra leads

ERNIE 5.1: 43.4 (#78), GPT-6 Astra: 70.5 (#3)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Coding14881488
DeepSWE—74.1%
FrontierCode—53.3%
LMArena WebDev—1792
FrontierSWE—65.5%
SciCode—56.5%
WeirdML—93.6%
MirrorCode—46.7%
ALE-Bench—2,951

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-6 Astra: 52.3 (#3)

BenchmarkERNIE 5.1GPT-6 Astra
APEX-Agents—64.7%
Remote Labor Index—20.8%
BALROG—68.3%
LMArena Search1227—
Vending-Bench 2—15,515

Reasoning GPT-6 Astra leads

ERNIE 5.1: 20.9 (#209), GPT-6 Astra: 85.1 (#1)

BenchmarkERNIE 5.1GPT-6 Astra
NYT Connections (extended)23.4%98.1%
LMArena Hard Prompts14811464
ARC-AGI-2—95%
ARC-AGI-1—98.5%
CritPt—31.7%
Chess Puzzles—72%
EBR-Bench—76.2%
Mystery Game Puzzles—84%
DTBench—97.3%
LMCA—64.4%
Bench to the Future 3—0.14
Epoch Capabilities Index—166.6

Math GPT-6 Astra leads

ERNIE 5.1: 37.5 (#96), GPT-6 Astra: 93.4 (#1)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Math14811463
FrontierMath (Tiers 1-3)—93.7%
FrontierMath Tier 4—97.6%
OTIS Mock AIME 2024-2025—100%
ProofBench—99%
FrontierMath Erdős—2.9%

Knowledge GPT-6 Astra leads

ERNIE 5.1: 41.2 (#103), GPT-6 Astra: 75.3 (#1)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Expert14911486
GPQA Diamond—95.8%
Humanity's Last Exam—54.8%
SimpleQA Verified—75.6%
Vectara Hallucination Rate—8.7%

Multimodal Not comparable

ERNIE 5.1: —, GPT-6 Astra: 55.1 (#3)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Vision—1280
Blueprint-Bench 2—49.7%
Furniture Assembly—80%
LMArena Document—1468

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.7 (#28), GPT-6 Astra: 54.0 (#53)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Non-English14551431
LMArena Chinese15071495
LMArena French14861467
LMArena Russian14591434
LMArena Spanish14721412
LMArena German1470—
LMArena Japanese1422—
LMArena Korean1428—

Instruction Following Too close to call

ERNIE 5.1: 76.9 (#35), GPT-6 Astra: 76.6 (#37)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Instruction Following14601454

Long Context Too close to call

ERNIE 5.1: 44.7 (#56), GPT-6 Astra: 44.7 (#57)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Longer Query14621460

Writing & Preference GPT-6 Astra leads

ERNIE 5.1: 65.3 (#50), GPT-6 Astra: 75.7 (#7)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Text14681443
LMArena Creative Writing14401423
LMArena Multi-Turn14711457
EQ-Bench Creative Writing—2173

Frequently asked questions

Is ERNIE 5.1 better than GPT-6 Astra?

GPT-6 Astra is the stronger model overall, scoring 70.3 to 43.1 on the Noometry Index.

Is ERNIE 5.1 or GPT-6 Astra better for coding?

GPT-6 Astra scores higher on coding benchmarks: 70.5 versus 43.4 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and GPT-6 Astra share?

15 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-6 Astra has 51.

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