Noometry

Model comparison

Claude Opus 4.7 vs ERNIE 5.1

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 43.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

ERNIE 5.1 Baidu

43.8

Rank #83 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Claude Opus 4.7 scores higher in 8 categories and ERNIE 5.1 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.7 leads 53.8 to 21.9.
  • The biggest single-benchmark swing is NYT Connections (extended): 39% for Claude Opus 4.7 and 23.4% for ERNIE 5.1.

Side by side

Claude Opus 4.7ERNIE 5.1
ProviderAnthropicBaidu
Noometry Index58.343.8
Released2026-04-14—
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked6619

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Category by category

Coding Claude Opus 4.7 leads

Claude Opus 4.7: 59.6 (#13), ERNIE 5.1: 44.0 (#76)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Coding15181488
SWE-bench Verified83.5%—
FrontierCode38.5%—
LMArena WebDev1558—
SciCode54.5%—
GSO44.1%—
WeirdML76.4%—
MirrorCode31.1%—
ALE-Bench1,323—

Agentic & Tool Use Not comparable

Claude Opus 4.7: 47.9 (#10), ERNIE 5.1: —

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Search12331227
Terminal-Bench80.2%—
APEX-Agents49.2%—
OSWorld 2.018.2%—
τ²-bench Banking40.2%—
PostTrainBench28.6%—
ExploitBench26.5%—
GBAEval43.8%—
GDP.pdf21%—
Vending-Bench 210,937—

Reasoning Claude Opus 4.7 leads

Claude Opus 4.7: 53.8 (#29), ERNIE 5.1: 21.9 (#211)

BenchmarkClaude Opus 4.7ERNIE 5.1
NYT Connections (extended)39%23.4%
LMArena Hard Prompts15061481
ARC-AGI-275.8%—
SimpleBench61.7%—
Kagi LLM Benchmark80.7%—
ARC-AGI-193.5%—
CritPt12%—
Chess Puzzles30%—
Thematic Generalization72.8%—
EBR-Bench19%—
Mystery Game Puzzles28%—
DTBench94.7%—
LMCA52.2%—
Epoch Capabilities Index156.25—
ForecastBench60.3—

Math Claude Opus 4.7 leads

Claude Opus 4.7: 66.7 (#26), ERNIE 5.1: 40.3 (#92)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Math14991481
FrontierMath (Tiers 1-3)70.2%—
FrontierMath Tier 431.7%—
MathArena Final-Answer Competitions73.6%—
OTIS Mock AIME 2024-202597.8%—
ProofBench54%—
FrontierMath (Feb 2025 set)43.8%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Claude Opus 4.7 leads

Claude Opus 4.7: 62.6 (#23), ERNIE 5.1: 41.9 (#102)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Expert15211492
GPQA Diamond90.2%—
Humanity's Last Exam36.2%—
SimpleQA Verified51.7%—
Vectara Hallucination Rate12%—

Multimodal Not comparable

Claude Opus 4.7: 41.2 (#38), ERNIE 5.1: —

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Vision1316—
Blueprint-Bench 224.5%—
Furniture Assembly33.3%—
LMArena Document1495—

Multilingual Claude Opus 4.7 leads

Claude Opus 4.7: 57.3 (#10), ERNIE 5.1: 55.5 (#29)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Non-English14801454
LMArena Chinese15311508
LMArena French15031488
LMArena German14951470
LMArena Japanese14721422
LMArena Korean14641427
LMArena Russian14941459
LMArena Spanish14951473

Instruction Following Claude Opus 4.7 leads

Claude Opus 4.7: 78.4 (#10), ERNIE 5.1: 76.7 (#37)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Instruction Following14981460

Long Context Claude Opus 4.7 leads

Claude Opus 4.7: 46.2 (#25), ERNIE 5.1: 44.7 (#59)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Longer Query15051462

Writing & Preference Claude Opus 4.7 leads

Claude Opus 4.7: 75.1 (#8), ERNIE 5.1: 65.1 (#52)

BenchmarkClaude Opus 4.7ERNIE 5.1
LMArena Text14901468
LMArena Creative Writing14861441
LMArena Multi-Turn15051471
EQ-Bench Creative Writing1914—
EQ-Bench 41311—

Frequently asked questions

Is Claude Opus 4.7 better than ERNIE 5.1?

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 43.8 on the Noometry Index.

Is Claude Opus 4.7 or ERNIE 5.1 better for coding?

Claude Opus 4.7 scores higher on coding benchmarks: 59.6 versus 44.0 in the Noometry coding category.

How many benchmarks do Claude Opus 4.7 and ERNIE 5.1 share?

19 benchmarks have published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and ERNIE 5.1 has 19.

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