# Granite 4.0 Micro vs Grok 4.3

> Grok 4.3 is the stronger model overall, scoring 43.6 to 28.8 on the Noometry Index. Granite 4.0 Micro costs 38× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/granite-4-0-micro-vs-grok-4-3
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Granite 4.0 Micro scores higher in 0 categories and Grok 4.3 in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 9.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.8% for Granite 4.0 Micro and 93.3% for Grok 4.3.
- Granite 4.0 Micro is cheaper at $0.017 / $0.11 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
- Grok 4.3 accepts more context: 1M tokens versus 131K.
- Granite 4.0 Micro has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| Provider | IBM | xAI |
| Noometry Index | 28.8 | 43.6 |
| Rank | 312 | 80 |
| Context | 131K | 1M |
| Input $/M | $0.017 | $1.25 |
| Output $/M | $0.11 | $2.50 |
| Weights | Open | Proprietary |

## Coding

- Granite 4.0 Micro: —
- Grok 4.3: 41.3 (#117)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| LMArena WebDev | — | 1357 |
| SciCode | — | 47.3% |
| WeirdML | — | 49.9% |
| LMArena Coding | — | 1415 |
| ALE-Bench | — | 944.17 |

## Agentic & Tool Use

- Granite 4.0 Micro: —
- Grok 4.3: 27.6 (#93)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| GDP.pdf | — | 8% |
| LMArena Search | — | 1165 |
| Vending-Bench 2 | — | 35.26 |

## Reasoning

- Granite 4.0 Micro: 18.5 (#261)
- Grok 4.3: 34.9 (#60)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| Chess Puzzles | 0% | 25% |
| NYT Connections (extended) | — | 55.2% |
| CritPt | — | 8% |
| LMArena Hard Prompts | — | 1397 |
| DTBench | — | 90.7% |
| LMCA | — | 38.3% |
| Epoch Capabilities Index | — | 149.13 |
| ForecastBench | — | 60.3 |

## Math

- Granite 4.0 Micro: 11.2 (#301)
- Grok 4.3: 45.8 (#60)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.8% | 93.3% |
| FrontierMath (Tiers 1-3) | — | 42.8% |
| FrontierMath Tier 4 | — | 14.6% |
| ProofBench | — | 11% |
| Omni-MATH | 20.9% | — |
| LMArena Math | — | 1388 |

## Knowledge

- Granite 4.0 Micro: 9.9 (#299)
- Grok 4.3: 52.5 (#57)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| GPQA Diamond | 28.3% | 88.8% |
| SimpleQA Verified | — | 33.2% |
| MMLU-Pro | 39.5% | — |
| GPQA (HELM) | 30.7% | — |
| LMArena Expert | — | 1385 |

## Multimodal

- Granite 4.0 Micro: —
- Grok 4.3: 31.6 (#96)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| LMArena Vision | — | 1231 |
| Blueprint-Bench 2 | — | 0% |

## Multilingual

- Granite 4.0 Micro: —
- Grok 4.3: 50.7 (#114)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| LMArena Non-English | — | 1385 |
| LMArena Chinese | — | 1423 |
| LMArena French | — | 1412 |
| LMArena German | — | 1395 |
| LMArena Japanese | — | 1379 |
| LMArena Korean | — | 1357 |
| LMArena Russian | — | 1399 |
| LMArena Spanish | — | 1402 |

## Instruction Following

- Granite 4.0 Micro: 70.0 (#164)
- Grok 4.3: 72.3 (#135)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| IFEval | 84.9% | — |
| LMArena Instruction Following | — | 1366 |

## Long Context

- Granite 4.0 Micro: —
- Grok 4.3: 42.5 (#118)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| LMArena Longer Query | — | 1393 |

## Writing & Preference

- Granite 4.0 Micro: 46.7 (#212)
- Grok 4.3: 58.6 (#112)

| Benchmark | Granite 4.0 Micro | Grok 4.3 |
|---|---|---|
| LMArena Text | — | 1397 |
| LMArena Creative Writing | — | 1380 |
| WildBench | 67% | — |
| EQ-Bench 4 | — | 1075 |
| LMArena Multi-Turn | — | 1406 |

## FAQ

### Is Granite 4.0 Micro better than Grok 4.3?

Grok 4.3 is the stronger model overall, scoring 43.6 to 28.8 on the Noometry Index. Granite 4.0 Micro costs 38× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

### Which is cheaper, Granite 4.0 Micro or Grok 4.3?

Granite 4.0 Micro is cheaper. It lists at $0.017 per million input tokens and $0.11 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

### Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 131K.

### How many benchmarks do Granite 4.0 Micro and Grok 4.3 share?

3 benchmarks have published results for both models. Granite 4.0 Micro has 8 scored results on Noometry and Grok 4.3 has 40.