# ERNIE 5.1 vs Grok 4.20 Multi-Agent

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 43.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-grok-4-20-multi-agent
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and Grok 4.20 Multi-Agent in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 20.9.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 89.6% for Grok 4.20 Multi-Agent.

## Snapshot

| | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| Provider | Baidu | xAI |
| Noometry Index | 43.1 | 45.5 |
| Rank | 87 | 62 |
| Context | — | 1M |
| Input $/M | — | $1.25 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 43.4 (#78)
- Grok 4.20 Multi-Agent: 42.4 (#91)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Coding | 1488 | 1458 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Grok 4.20 Multi-Agent: —

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Search | 1227 | 1204 |

## Reasoning

- ERNIE 5.1: 20.9 (#209)
- Grok 4.20 Multi-Agent: 42.4 (#44)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| NYT Connections (extended) | 23.4% | 89.6% |
| LMArena Hard Prompts | 1481 | 1448 |

## Math

- ERNIE 5.1: 37.5 (#96)
- Grok 4.20 Multi-Agent: 36.6 (#106)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Math | 1481 | 1441 |

## Knowledge

- ERNIE 5.1: 41.2 (#103)
- Grok 4.20 Multi-Agent: 39.7 (#116)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Expert | 1491 | 1445 |

## Multimodal

- ERNIE 5.1: —
- Grok 4.20 Multi-Agent: 39.8 (#44)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Vision | — | 1259 |

## Multilingual

- ERNIE 5.1: 55.7 (#28)
- Grok 4.20 Multi-Agent: 54.6 (#40)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Non-English | 1455 | 1440 |
| LMArena Chinese | 1507 | 1475 |
| LMArena French | 1486 | 1467 |
| LMArena German | 1470 | 1456 |
| LMArena Japanese | 1422 | 1405 |
| LMArena Korean | 1428 | 1416 |
| LMArena Russian | 1459 | 1457 |
| LMArena Spanish | 1472 | 1447 |

## Instruction Following

- ERNIE 5.1: 76.9 (#35)
- Grok 4.20 Multi-Agent: 75.0 (#80)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Instruction Following | 1460 | 1420 |

## Long Context

- ERNIE 5.1: 44.7 (#56)
- Grok 4.20 Multi-Agent: 43.7 (#84)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Longer Query | 1462 | 1430 |

## Writing & Preference

- ERNIE 5.1: 65.3 (#50)
- Grok 4.20 Multi-Agent: 64.1 (#57)

| Benchmark | ERNIE 5.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text | 1468 | 1450 |
| LMArena Creative Writing | 1440 | 1435 |
| LMArena Multi-Turn | 1471 | 1451 |

## FAQ

### Is ERNIE 5.1 better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 43.1 on the Noometry Index.

### Is ERNIE 5.1 or Grok 4.20 Multi-Agent better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 42.4 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Grok 4.20 Multi-Agent share?

19 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Grok 4.20 Multi-Agent has 20.