# Claude 3 Haiku vs Grok 3

> Grok 3 is the stronger model overall, scoring 39.6 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-haiku-vs-grok-3
- Last updated: 2026-10-10
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Claude 3 Haiku scores higher in 1 category and Grok 3 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.0 to 17.3.
- The biggest single-benchmark swing is MATH Level 5: 14.9% for Claude 3 Haiku and 88.7% for Grok 3.

## Snapshot

| | Claude 3 Haiku | Grok 3 |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 25.7 | 39.6 |
| Rank | 333 | 150 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Haiku: 26.1 (#320)
- Grok 3: 41.5 (#113)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| WeirdML | 9.8% | 37.2% |
| LMArena Coding | 1199 | 1432 |
| Aider Polyglot | — | 53.3% |
| BigCodeBench Instruct | 39.4% | — |
| BigCodeBench Complete | 50.1% | — |
| CadEval | 12% | — |
| HumanEval+ | 68.9% | — |
| MBPP+ | 68.8% | — |

## Agentic & Tool Use

- Claude 3 Haiku: —
- Grok 3: 30.2 (#69)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| BALROG | — | 29.5% |

## Reasoning

- Claude 3 Haiku: 15.7 (#303)
- Grok 3: 13.8 (#322)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| Kagi LLM Benchmark | 34.2% | 61.3% |
| LMArena Hard Prompts | 1174 | 1433 |
| Epoch Capabilities Index | 118.3 | 138.34 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 36.1% |
| ARC-AGI-1 | — | 5.5% |
| DTBench | 50.1% | — |
| LMCA | 8.8% | — |
| ForecastBench | 53.2 | — |
| WinoGrande | 74.2% | — |

## Math

- Claude 3 Haiku: 9.2 (#313)
- Grok 3: 36.2 (#122)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.8% | 55.6% |
| LMArena Math | 1188 | 1390 |
| MATH Level 5 | 14.9% | 88.7% |
| Omni-MATH | — | 46.4% |
| FrontierMath (Feb 2025 set) | — | 3.8% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Claude 3 Haiku: 17.3 (#280)
- Grok 3: 46.0 (#76)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| GPQA Diamond | 36.3% | 75.8% |
| Confabulations | 34.2% | 14.2% |
| LMArena Expert | 1148 | 1420 |
| MMLU-Pro | — | 78.8% |
| Vectara Hallucination Rate | — | 5.8% |
| GPQA (HELM) | — | 65% |
| MMLU | 73.8% | — |

## Multimodal

- Claude 3 Haiku: 23.1 (#123)
- Grok 3: —

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| LMArena Vision | 950 | — |
| ScienceQA | 72% | — |

## Multilingual

- Claude 3 Haiku: 36.1 (#238)
- Grok 3: 52.5 (#81)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| LMArena Non-English | 1178 | 1411 |
| LMArena Chinese | 1155 | 1448 |
| LMArena French | 1194 | 1460 |
| LMArena German | 1174 | 1431 |
| LMArena Japanese | 1102 | 1389 |
| LMArena Korean | 1108 | 1374 |
| LMArena Russian | 1204 | 1416 |
| LMArena Spanish | 1165 | 1417 |

## Instruction Following

- Claude 3 Haiku: 61.5 (#242)
- Grok 3: 75.2 (#69)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| LMArena Instruction Following | 1174 | 1409 |
| IFEval | — | 88.4% |

## Long Context

- Claude 3 Haiku: 36.1 (#232)
- Grok 3: 38.7 (#187)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| LMArena Longer Query | 1191 | 1439 |
| Fiction.LiveBench | — | 58.3% |

## Writing & Preference

- Claude 3 Haiku: 29.8 (#286)
- Grok 3: 56.0 (#136)

| Benchmark | Claude 3 Haiku | Grok 3 |
|---|---|---|
| LMArena Text | 1195 | 1426 |
| LMArena Creative Writing | 1157 | 1414 |
| EQ-Bench Creative Writing | 717 | 1186 |
| LMArena Multi-Turn | 1190 | 1424 |
| Short-Story Creative Writing | — | 76.4% |
| WildBench | — | 84.9% |

## FAQ

### Is Claude 3 Haiku better than Grok 3?

Grok 3 is the stronger model overall, scoring 39.6 to 25.7 on the Noometry Index.

### Is Claude 3 Haiku or Grok 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.5 versus 26.1 in the Noometry coding category.

### How many benchmarks do Claude 3 Haiku and Grok 3 share?

25 benchmarks have published results for both models. Claude 3 Haiku has 37 scored results on Noometry and Grok 3 has 40.