# Grok 4 vs Inkling-Small

> Grok 4 is the stronger model overall, scoring 48.1 to 46.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-vs-inkling-small
- Last updated: 2026-10-11
- Shared benchmarks: 24

## Summary

- They share 24 benchmarks with published results for both. Grok 4 scores higher in 6 categories and Inkling-Small in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 leads 63.1 to 42.7.
- The biggest single-benchmark swing is ARC-AGI-2: 16% for Grok 4 and 40.1% for Inkling-Small.
- Inkling-Small has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4 | Inkling-Small |
|---|---|---|
| Provider | xAI | Thinking Machines Lab |
| Noometry Index | 48.1 | 46.5 |
| Rank | 56 | 63 |
| Context | — | 524K |
| Input $/M | — | $0.45 |
| Output $/M | — | $1.20 |
| Weights | Proprietary | Open |

## Coding

- Grok 4: 50.3 (#46)
- Inkling-Small: 43.6 (#85)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Coding | 1408 | 1451 |
| Aider Polyglot | 79.6% | — |
| LMArena WebDev | — | 1409 |
| SciCode | — | 48.7% |
| WeirdML | 45.7% | — |

## Agentic & Tool Use

- Grok 4: 32.3 (#68)
- Inkling-Small: —

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| Terminal-Bench | 27.2% | — |
| Berkeley Function Calling Leaderboard | 63% | — |
| GDPval | 21.1% | — |
| Cybench | 43% | — |
| DeepResearch Bench | 47.3% | — |
| BALROG | 43.6% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 66.6% | — |

## Reasoning

- Grok 4: 36.7 (#65)
- Inkling-Small: 38.6 (#63)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| ARC-AGI-2 | 16% | 40.1% |
| ARC-AGI-1 | 66.7% | 84% |
| Chess Puzzles | 28% | 18% |
| LMArena Hard Prompts | 1409 | 1423 |
| Epoch Capabilities Index | 146.44 | 150.15 |
| SimpleBench | 60.5% | — |
| Kagi LLM Benchmark | 73.6% | — |
| CritPt | — | 8.3% |
| Mystery Game Puzzles | — | 6% |
| ForecastBench | 60.9 | — |

## Math

- Grok 4: 48.4 (#64)
- Inkling-Small: 45.1 (#77)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 84% | 90% |
| LMArena Math | 1422 | 1459 |
| FrontierMath (Tiers 1-3) | — | 46.3% |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 6% |
| Omni-MATH | 60.3% | — |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Grok 4: 53.8 (#55)
- Inkling-Small: 48.2 (#77)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| GPQA Diamond | 87% | 88.5% |
| LMArena Expert | 1415 | 1442 |
| SimpleQA Verified | — | 19.1% |
| MMLU-Pro | 85.1% | — |
| Confabulations | 12.4% | — |
| GPQA (HELM) | 72.7% | — |

## Multimodal

- Grok 4: 33.7 (#94)
- Inkling-Small: 39.1 (#62)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Vision | 1210 | 1235 |
| GeoBench | 45% | — |

## Multilingual

- Grok 4: 51.8 (#103)
- Inkling-Small: 51.7 (#104)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Non-English | 1403 | 1402 |
| LMArena Chinese | 1427 | 1465 |
| LMArena French | 1418 | 1436 |
| LMArena German | 1429 | 1405 |
| LMArena Japanese | 1394 | 1405 |
| LMArena Korean | 1377 | 1363 |
| LMArena Russian | 1410 | 1391 |
| LMArena Spanish | 1420 | 1428 |

## Instruction Following

- Grok 4: 79.2 (#5)
- Inkling-Small: 73.8 (#114)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Instruction Following | 1387 | 1399 |
| IFEval | 94.9% | — |

## Long Context

- Grok 4: 63.1 (#4)
- Inkling-Small: 42.7 (#118)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Longer Query | 1409 | 1401 |
| Fiction.LiveBench | 94.4% | — |

## Writing & Preference

- Grok 4: 58.5 (#116)
- Inkling-Small: 59.6 (#107)

| Benchmark | Grok 4 | Inkling-Small |
|---|---|---|
| LMArena Text | 1411 | 1414 |
| LMArena Creative Writing | 1397 | 1331 |
| LMArena Multi-Turn | 1416 | 1418 |
| Short-Story Creative Writing | 76.9% | — |
| EQ-Bench Creative Writing | — | 1491 |
| WildBench | 79.7% | — |

## FAQ

### Is Grok 4 better than Inkling-Small?

Grok 4 is the stronger model overall, scoring 48.1 to 46.5 on the Noometry Index.

### Is Grok 4 or Inkling-Small better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 43.6 in the Noometry coding category.

### How many benchmarks do Grok 4 and Inkling-Small share?

24 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Inkling-Small has 33.