# Claude 2.1 vs Grok 4.20 Multi-Agent

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-grok-4-20-multi-agent
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Grok 4.20 Multi-Agent leads 36.6 to 9.6.

## Snapshot

| | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 24.9 | 45.5 |
| Rank | 340 | 62 |
| Context | — | 1M |
| Input $/M | — | $1.25 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 25.8 (#322)
- Grok 4.20 Multi-Agent: 42.4 (#91)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1458 |

## Agentic & Tool Use

- Claude 2.1: —
- Grok 4.20 Multi-Agent: —

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Search | — | 1204 |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Grok 4.20 Multi-Agent: 42.4 (#44)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| NYT Connections (extended) | — | 89.6% |
| LMArena Hard Prompts | — | 1448 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Grok 4.20 Multi-Agent: 36.6 (#106)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1441 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Grok 4.20 Multi-Agent: 39.7 (#116)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1445 |
| MMLU | 73.5% | — |

## Multimodal

- Claude 2.1: —
- Grok 4.20 Multi-Agent: 39.8 (#44)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Vision | — | 1259 |

## Multilingual

- Claude 2.1: —
- Grok 4.20 Multi-Agent: 54.6 (#40)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Non-English | — | 1440 |
| LMArena Chinese | — | 1475 |
| LMArena French | — | 1467 |
| LMArena German | — | 1456 |
| LMArena Japanese | — | 1405 |
| LMArena Korean | — | 1416 |
| LMArena Russian | — | 1457 |
| LMArena Spanish | — | 1447 |

## Instruction Following

- Claude 2.1: —
- Grok 4.20 Multi-Agent: 75.0 (#80)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Instruction Following | — | 1420 |

## Long Context

- Claude 2.1: —
- Grok 4.20 Multi-Agent: 43.7 (#84)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Longer Query | — | 1430 |

## Writing & Preference

- Claude 2.1: —
- Grok 4.20 Multi-Agent: 64.1 (#57)

| Benchmark | Claude 2.1 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text | — | 1450 |
| LMArena Creative Writing | — | 1435 |
| LMArena Multi-Turn | — | 1451 |

## FAQ

### Is Claude 2.1 better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Grok 4.20 Multi-Agent better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Grok 4.20 Multi-Agent share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Grok 4.20 Multi-Agent has 20.