# Claude 2.1 vs Grok Build 0.1

> Grok Build 0.1 is the stronger model overall, scoring 36.4 to 25.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-grok-build-0-1
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Grok Build 0.1 leads 43.1 to 26.2.

## Snapshot

| | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 25.2 | 36.4 |
| Rank | 345 | 216 |
| Context | — | 256K |
| Input $/M | — | $1 |
| Output $/M | — | $2 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 26.2 (#327)
- Grok Build 0.1: 43.1 (#91)

| Benchmark | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| SciCode | — | 50.2% |
| WeirdML | 7.1% | — |

## Agentic & Tool Use

- Claude 2.1: —
- Grok Build 0.1: 22.7 (#129)

| Benchmark | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| GBAEval | — | 2.4% |

## Reasoning

- Claude 2.1: 21.4 (#221)
- Grok Build 0.1: 32.2 (#77)

| Benchmark | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| CritPt | — | 9.1% |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.27 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 10.2 (#315)
- Grok Build 0.1: —

| Benchmark | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |

## Knowledge

- Claude 2.1: 15.4 (#292)
- Grok Build 0.1: —

| Benchmark | Claude 2.1 | Grok Build 0.1 |
|---|---|---|
| GPQA Diamond | 33% | — |
| MMLU | 73.5% | — |

## FAQ

### Is Claude 2.1 better than Grok Build 0.1?

Grok Build 0.1 is the stronger model overall, scoring 36.4 to 25.2 on the Noometry Index.

### Is Claude 2.1 or Grok Build 0.1 better for coding?

Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 26.2 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Grok Build 0.1 share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Grok Build 0.1 has 3.