Model comparison
ERNIE 5.1 vs Inkling
ERNIE 5.1 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
BaiduSummary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 5 categories and Inkling in 3 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Inkling leads 40.4 to 21.9.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | Inkling | |
|---|---|---|
| Provider | Baidu | Thinking Machines Lab |
| Noometry Index | 43.8 | 44.1 |
| Released | — | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | — | 66K |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.87 |
| Output $ / M tokens | — | $4.68 |
| Results tracked | 19 | 41 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Inkling: 34.5 (#234)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Coding | 1488 | 1464 |
| FrontierCode | — | 14% |
| LMArena WebDev | — | 1413 |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| WeirdML | — | 32.3% |
| ALE-Bench | — | 946 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Inkling: 29.6 (#85)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| LMArena Search | 1227 | — |
Reasoning Inkling leads
ERNIE 5.1: 21.9 (#211), Inkling: 40.4 (#56)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1451 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 23.4% | — |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.54 |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), Inkling: 31.3 (#225)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Math | 1481 | 1479 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |
Knowledge Inkling leads
ERNIE 5.1: 41.9 (#102), Inkling: 55.1 (#49)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Expert | 1492 | 1465 |
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Inkling: 54.0 (#52)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Non-English | 1454 | 1434 |
| LMArena Chinese | 1508 | 1490 |
| LMArena French | 1488 | 1458 |
| LMArena German | 1470 | 1446 |
| LMArena Japanese | 1422 | 1429 |
| LMArena Korean | 1427 | 1404 |
| LMArena Russian | 1459 | 1429 |
| LMArena Spanish | 1473 | 1448 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Inkling: 75.1 (#71)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1460 | 1426 |
Long Context Too close to call
ERNIE 5.1: 44.7 (#59), Inkling: 43.8 (#86)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Longer Query | 1462 | 1434 |
Writing & Preference Too close to call
ERNIE 5.1: 65.1 (#52), Inkling: 65.2 (#51)
| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Text | 1468 | 1441 |
| LMArena Creative Writing | 1441 | 1387 |
| LMArena Multi-Turn | 1471 | 1436 |
| EQ-Bench Creative Writing | — | 1611 |
| EQ-Bench 4 | — | 1226 |
Frequently asked questions
Is ERNIE 5.1 better than Inkling?
ERNIE 5.1 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Is ERNIE 5.1 or Inkling better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 34.5 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Inkling share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Inkling has 41.