Noometry

Model comparison

ERNIE 5.1 vs GPT-6 Astra

GPT-6 Astra is the stronger model overall, scoring 70.8 to 43.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GPT-6 Astra OpenAI

70.8

Rank #1 Confirmed

Summary

  • They share 18 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 21.9.
  • 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 Index43.870.8
Released—2026-09-03
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$10
Output $ / M tokens—$50
Results tracked1956

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Category by category

Coding GPT-6 Astra leads

ERNIE 5.1: 44.0 (#76), GPT-6 Astra: 73.7 (#2)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Coding14881487
DeepSWE—74.1%
FrontierCode—53.3%
LMArena WebDev—1786
FrontierSWE—65.5%
SciCode—56.5%
GSO—79.4%
WeirdML—93.6%
MirrorCode—46.7%
ALE-Bench—2,951

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-6 Astra: 52.9 (#3)

BenchmarkERNIE 5.1GPT-6 Astra
APEX-Agents—64.7%
Remote Labor Index—20.8%
BALROG—68.3%
GDP.pdf—34.2%
LMArena Search1227—
Vending-Bench 2—15,515

Reasoning GPT-6 Astra leads

ERNIE 5.1: 21.9 (#211), GPT-6 Astra: 85.1 (#1)

BenchmarkERNIE 5.1GPT-6 Astra
NYT Connections (extended)23.4%98.1%
LMArena Hard Prompts14811462
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—166.45

Math GPT-6 Astra leads

ERNIE 5.1: 40.3 (#92), GPT-6 Astra: 93.5 (#2)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Math14811465
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: 41.9 (#102), GPT-6 Astra: 75.3 (#1)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Expert14921483
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: 55.0 (#3)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Vision—1281
Blueprint-Bench 2—49.7%
Furniture Assembly—80%
LMArena Document—1468

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.5 (#29), GPT-6 Astra: 53.7 (#61)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Non-English14541430
LMArena Chinese15081484
LMArena French14881456
LMArena German14701440
LMArena Japanese14221379
LMArena Korean14271426
LMArena Russian14591436
LMArena Spanish14731407

Instruction Following Too close to call

ERNIE 5.1: 76.7 (#37), GPT-6 Astra: 76.3 (#44)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Instruction Following14601450

Long Context Too close to call

ERNIE 5.1: 44.7 (#59), GPT-6 Astra: 44.5 (#62)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Longer Query14621456

Writing & Preference GPT-6 Astra leads

ERNIE 5.1: 65.1 (#52), GPT-6 Astra: 75.3 (#7)

BenchmarkERNIE 5.1GPT-6 Astra
LMArena Text14681441
LMArena Creative Writing14411418
LMArena Multi-Turn14711448
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 70.8 to 43.8 on the Noometry Index.

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

GPT-6 Astra scores higher on coding benchmarks: 73.7 versus 44.0 in the Noometry coding category.

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

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-6 Astra has 56.

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