# Grok 4.3 vs Inkling

> Grok 4.3 and Inkling score almost the same on the Noometry Index (43.6 vs 44.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-4-3-vs-inkling
- Last updated: 2026-10-10
- Shared benchmarks: 33

## Summary

- They share 33 benchmarks with published results for both. Grok 4.3 scores higher in 2 categories and Inkling in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4.3 leads 45.8 to 31.2.
- The biggest single-benchmark swing is WeirdML: 49.9% for Grok 4.3 and 32.3% for Inkling.
- Grok 4.3 is cheaper at $1.25 / $2.50 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- Grok 4.3 accepts more context: 1M tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.3 | Inkling |
|---|---|---|
| Provider | xAI | Thinking Machines Lab |
| Noometry Index | 43.6 | 44.1 |
| Rank | 80 | 75 |
| Context | 1M | 66K |
| Input $/M | $1.25 | $1.87 |
| Output $/M | $2.50 | $4.68 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.3: 41.3 (#117)
- Inkling: 34.1 (#229)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena WebDev | 1357 | 1412 |
| SciCode | 47.3% | 47% |
| WeirdML | 49.9% | 32.3% |
| LMArena Coding | 1415 | 1463 |
| ALE-Bench | 944.17 | 946 |
| FrontierCode | — | 14% |
| FrontierSWE | — | 4.1% |

## Agentic & Tool Use

- Grok 4.3: 27.6 (#93)
- Inkling: 29.5 (#76)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
| GDP.pdf | 8% | — |
| LMArena Search | 1165 | — |
| Vending-Bench 2 | 35.26 | — |

## Reasoning

- Grok 4.3: 34.9 (#60)
- Inkling: 40.6 (#48)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| CritPt | 8% | 5.4% |
| Chess Puzzles | 25% | 21% |
| LMArena Hard Prompts | 1397 | 1452 |
| DTBench | 90.7% | 87.5% |
| LMCA | 38.3% | 37.6% |
| Epoch Capabilities Index | 149.13 | 148.6 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 55.2% | — |
| ARC-AGI-1 | — | 79.5% |
| ForecastBench | 60.3 | — |

## Math

- Grok 4.3: 45.8 (#60)
- Inkling: 31.2 (#198)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | 42.8% | 33.3% |
| FrontierMath Tier 4 | 14.6% | 4.9% |
| OTIS Mock AIME 2024-2025 | 93.3% | 88.9% |
| ProofBench | 11% | 0% |
| LMArena Math | 1388 | 1482 |

## Knowledge

- Grok 4.3: 52.5 (#57)
- Inkling: 55.2 (#44)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| GPQA Diamond | 88.8% | 88.3% |
| SimpleQA Verified | 33.2% | 40.3% |
| LMArena Expert | 1385 | 1468 |

## Multimodal

- Grok 4.3: 31.6 (#96)
- Inkling: —

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Vision | 1231 | — |
| Blueprint-Bench 2 | 0% | — |

## Multilingual

- Grok 4.3: 50.7 (#114)
- Inkling: 54.2 (#49)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Non-English | 1385 | 1434 |
| LMArena Chinese | 1423 | 1495 |
| LMArena French | 1412 | 1453 |
| LMArena German | 1395 | 1456 |
| LMArena Japanese | 1379 | 1428 |
| LMArena Korean | 1357 | 1401 |
| LMArena Russian | 1399 | 1430 |
| LMArena Spanish | 1402 | 1442 |

## Instruction Following

- Grok 4.3: 72.3 (#135)
- Inkling: 75.3 (#65)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1366 | 1427 |

## Long Context

- Grok 4.3: 42.5 (#118)
- Inkling: 43.9 (#79)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Longer Query | 1393 | 1436 |

## Writing & Preference

- Grok 4.3: 58.6 (#112)
- Inkling: 65.5 (#48)

| Benchmark | Grok 4.3 | Inkling |
|---|---|---|
| LMArena Text | 1397 | 1443 |
| LMArena Creative Writing | 1380 | 1390 |
| EQ-Bench 4 | 1075 | 1226 |
| LMArena Multi-Turn | 1406 | 1436 |
| EQ-Bench Creative Writing | — | 1611 |

## FAQ

### Is Grok 4.3 better than Inkling?

Grok 4.3 and Inkling score almost the same on the Noometry Index (43.6 vs 44.1), so choose on price, context window or the category you care about most.

### Which is cheaper, Grok 4.3 or Inkling?

Grok 4.3 is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Inkling lists at $1.87 and $4.68.

### Is Grok 4.3 or Inkling better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 34.1 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 66K.

### How many benchmarks do Grok 4.3 and Inkling share?

33 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Inkling has 41.
