Noometry

Model comparison

ERNIE 5.1 vs GPT-5.6 Terra

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 43.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

GPT-5.6 Terra OpenAI

59.2

Rank #17 Confirmed

Summary

  • They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 3 categories and GPT-5.6 Terra in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Terra leads 81.6 to 40.3.
  • The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 78.4% for GPT-5.6 Terra.

Side by side

ERNIE 5.1GPT-5.6 Terra
ProviderBaiduOpenAI
Noometry Index43.859.2
Released—2026-07-09
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$2
Output $ / M tokens—$12
Results tracked1952

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Category by category

Coding GPT-5.6 Terra leads

ERNIE 5.1: 44.0 (#76), GPT-5.6 Terra: 57.7 (#19)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Coding14881484
DeepSWE—69.6%
FrontierCode—41.3%
CursorBench—41.3%
LMArena WebDev—1522
SciCode—55%
WeirdML—78.3%
ALE-Bench—1,951

Agentic & Tool Use Not comparable

ERNIE 5.1: —, GPT-5.6 Terra: 40.1 (#25)

BenchmarkERNIE 5.1GPT-5.6 Terra
APEX-Agents—58.2%
BALROG—53.2%
GDP.pdf—24.7%
LMArena Search1227—
Vending-Bench 2—7,343

Reasoning GPT-5.6 Terra leads

ERNIE 5.1: 21.9 (#211), GPT-5.6 Terra: 60.7 (#21)

BenchmarkERNIE 5.1GPT-5.6 Terra
NYT Connections (extended)23.4%78.4%
LMArena Hard Prompts14811468
ARC-AGI-2—83.9%
SimpleBench—48.9%
Kagi LLM Benchmark—51.3%
ARC-AGI-1—96.5%
CritPt—30%
Chess Puzzles—54%
Mystery Game Puzzles—35%
DTBench—93.3%
LMCA—55%
Surface Evolver Bench—83.8%
Epoch Capabilities Index—159.62

Math GPT-5.6 Terra leads

ERNIE 5.1: 40.3 (#92), GPT-5.6 Terra: 81.6 (#12)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Math14811466
FrontierMath (Tiers 1-3)—86%
FrontierMath Tier 4—70.7%
OTIS Mock AIME 2024-2025—99.7%
ProofBench—74%

Knowledge GPT-5.6 Terra leads

ERNIE 5.1: 41.9 (#102), GPT-5.6 Terra: 61.2 (#30)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Expert14921492
GPQA Diamond—93.3%
SimpleQA Verified—43.2%

Multimodal Not comparable

ERNIE 5.1: —, GPT-5.6 Terra: 47.3 (#11)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Vision—1271
Blueprint-Bench 2—30.8%
Furniture Assembly—54.2%
LMArena Document—1472

Multilingual ERNIE 5.1 leads

ERNIE 5.1: 55.5 (#29), GPT-5.6 Terra: 54.4 (#44)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Non-English14541439
LMArena Chinese15081513
LMArena French14881471
LMArena German14701460
LMArena Japanese14221457
LMArena Korean14271425
LMArena Russian14591450
LMArena Spanish14731448

Instruction Following Too close to call

ERNIE 5.1: 76.7 (#37), GPT-5.6 Terra: 76.4 (#40)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Instruction Following14601454

Long Context Too close to call

ERNIE 5.1: 44.7 (#59), GPT-5.6 Terra: 44.4 (#68)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Longer Query14621451

Writing & Preference GPT-5.6 Terra leads

ERNIE 5.1: 65.1 (#52), GPT-5.6 Terra: 70.2 (#23)

BenchmarkERNIE 5.1GPT-5.6 Terra
LMArena Text14681447
LMArena Creative Writing14411410
LMArena Multi-Turn14711449
EQ-Bench Creative Writing—1855
EQ-Bench 4—1234

Frequently asked questions

Is ERNIE 5.1 better than GPT-5.6 Terra?

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 43.8 on the Noometry Index.

Is ERNIE 5.1 or GPT-5.6 Terra better for coding?

GPT-5.6 Terra scores higher on coding benchmarks: 57.7 versus 44.0 in the Noometry coding category.

How many benchmarks do ERNIE 5.1 and GPT-5.6 Terra share?

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and GPT-5.6 Terra has 52.

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