# 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.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-inkling
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- 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.

## Snapshot

| | ERNIE 5.1 | Inkling |
|---|---|---|
| Provider | Baidu | Thinking Machines Lab |
| Noometry Index | 43.8 | 44.1 |
| Rank | 83 | 80 |
| Context | — | 66K |
| Input $/M | — | $1.87 |
| Output $/M | — | $4.68 |
| Weights | Proprietary | Open |

## Coding

- 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

- ERNIE 5.1: —
- Inkling: 29.6 (#85)

| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| LMArena Search | 1227 | — |

## Reasoning

- 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: 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

- 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: 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: 76.7 (#37)
- Inkling: 75.1 (#71)

| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1460 | 1426 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Inkling: 43.8 (#86)

| Benchmark | ERNIE 5.1 | Inkling |
|---|---|---|
| LMArena Longer Query | 1462 | 1434 |

## Writing & Preference

- 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 |

## FAQ

### 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.