Model comparison
ERNIE 5.1 vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 43.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
BaiduSummary
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 20.9.
Side by side
| ERNIE 5.1 | GPT-5.4 Pro | |
|---|---|---|
| Provider | Baidu | OpenAI |
| Noometry Index | 43.1 | 58.8 |
| Released | — | 2026-03-05 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $30 |
| Output $ / M tokens | — | $180 |
| Results tracked | 19 | 16 |
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Category by category
Coding Too close to call
ERNIE 5.1: 43.4 (#78), GPT-5.4 Pro: 42.6 (#89)
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| LMArena Coding | 1488 | — |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, GPT-5.4 Pro: —
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning GPT-5.4 Pro leads
ERNIE 5.1: 20.9 (#209), GPT-5.4 Pro: 71.0 (#10)
| Benchmark | ERNIE 5.1 | GPT-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 Prompts | 1481 | — |
| Epoch Capabilities Index | — | 159.12 |
Math GPT-5.4 Pro leads
ERNIE 5.1: 37.5 (#96), GPT-5.4 Pro: 72.0 (#17)
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| LMArena Math | 1481 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
ERNIE 5.1: 41.2 (#103), GPT-5.4 Pro: 68.3 (#6)
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
| LMArena Expert | 1491 | — |
Multilingual Not comparable
ERNIE 5.1: 55.7 (#28), GPT-5.4 Pro: —
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1455 | — |
| LMArena Chinese | 1507 | — |
| LMArena French | 1486 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1428 | — |
| LMArena Russian | 1459 | — |
| LMArena Spanish | 1472 | — |
Instruction Following Not comparable
ERNIE 5.1: 76.9 (#35), GPT-5.4 Pro: —
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1460 | — |
Long Context Not comparable
ERNIE 5.1: 44.7 (#56), GPT-5.4 Pro: —
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1462 | — |
Writing & Preference Not comparable
ERNIE 5.1: 65.3 (#50), GPT-5.4 Pro: —
| Benchmark | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1468 | — |
| LMArena Creative Writing | 1440 | — |
| LMArena Multi-Turn | 1471 | — |
Frequently asked questions
Is ERNIE 5.1 better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 43.1 on the Noometry Index.
Is ERNIE 5.1 or GPT-5.4 Pro better for coding?
They score almost the same on coding (43.4 vs 42.6); 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.