Model comparison
ERNIE 5.1 vs Inkling-Small
Inkling-Small is the stronger model overall, scoring 46.5 to 43.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 5 categories and Inkling-Small in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Inkling-Small leads 38.6 to 21.9.
- Inkling-Small has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | Inkling-Small | |
|---|---|---|
| Provider | Baidu | Thinking Machines Lab |
| Noometry Index | 43.8 | 46.5 |
| Released | — | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | — | 524K |
| Max output | — | 1.05M |
| Input $ / M tokens | — | $0.45 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 19 | 33 |
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Category by category
Coding Too close to call
ERNIE 5.1: 44.0 (#76), Inkling-Small: 43.6 (#85)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Coding | 1488 | 1451 |
| LMArena WebDev | — | 1409 |
| SciCode | — | 48.7% |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Inkling-Small: —
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning Inkling-Small leads
ERNIE 5.1: 21.9 (#211), Inkling-Small: 38.6 (#63)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1423 |
| ARC-AGI-2 | — | 40.1% |
| NYT Connections (extended) | 23.4% | — |
| ARC-AGI-1 | — | 84% |
| CritPt | — | 8.3% |
| Chess Puzzles | — | 18% |
| Mystery Game Puzzles | — | 6% |
| Epoch Capabilities Index | — | 150.15 |
Math Inkling-Small leads
ERNIE 5.1: 40.3 (#92), Inkling-Small: 45.1 (#77)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Math | 1481 | 1459 |
| FrontierMath (Tiers 1-3) | — | 46.3% |
| FrontierMath Tier 4 | — | 17.1% |
| OTIS Mock AIME 2024-2025 | — | 90% |
| ProofBench | — | 6% |
Knowledge Inkling-Small leads
ERNIE 5.1: 41.9 (#102), Inkling-Small: 48.2 (#77)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Expert | 1492 | 1442 |
| GPQA Diamond | — | 88.5% |
| SimpleQA Verified | — | 19.1% |
Multimodal Not comparable
ERNIE 5.1: —, Inkling-Small: 39.1 (#62)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Vision | — | 1235 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Inkling-Small: 51.7 (#104)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Non-English | 1454 | 1402 |
| LMArena Chinese | 1508 | 1465 |
| LMArena French | 1488 | 1436 |
| LMArena German | 1470 | 1405 |
| LMArena Japanese | 1422 | 1405 |
| LMArena Korean | 1427 | 1363 |
| LMArena Russian | 1459 | 1391 |
| LMArena Spanish | 1473 | 1428 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Inkling-Small: 73.8 (#114)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Instruction Following | 1460 | 1399 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Inkling-Small: 42.7 (#118)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Longer Query | 1462 | 1401 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Inkling-Small: 59.6 (#107)
| Benchmark | ERNIE 5.1 | Inkling-Small |
|---|---|---|
| LMArena Text | 1468 | 1414 |
| LMArena Creative Writing | 1441 | 1331 |
| LMArena Multi-Turn | 1471 | 1418 |
| EQ-Bench Creative Writing | — | 1491 |
Frequently asked questions
Is ERNIE 5.1 better than Inkling-Small?
Inkling-Small is the stronger model overall, scoring 46.5 to 43.8 on the Noometry Index.
Is ERNIE 5.1 or Inkling-Small better for coding?
They score almost the same on coding (44.0 vs 43.6); test both on your own repository before choosing.
How many benchmarks do ERNIE 5.1 and Inkling-Small share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Inkling-Small has 33.