# Grok 4.3 vs Qwen3.8 Max

> Qwen3.8 Max is the stronger model overall, scoring 56.0 to 43.6 on the Noometry Index. Grok 4.3 costs 1.9× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/grok-4-3-vs-qwen3-8-max
- Last updated: 2026-10-10
- Shared benchmarks: 33

## Summary

- They share 33 benchmarks with published results for both. Grok 4.3 scores higher in 0 categories and Qwen3.8 Max in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.8 Max leads 73.1 to 45.8.
- The biggest single-benchmark swing is ProofBench: 11% for Grok 4.3 and 58% for Qwen3.8 Max.
- Grok 4.3 is cheaper at $1.25 / $2.50 per million input/output tokens, against $2 / $6 for Qwen3.8 Max.

## Snapshot

| | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 43.6 | 56.0 |
| Rank | 80 | 21 |
| Context | 1M | 1M |
| Input $/M | $1.25 | $2 |
| Output $/M | $2.50 | $6 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.3: 41.3 (#117)
- Qwen3.8 Max: 52.3 (#30)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena WebDev | 1357 | 1671 |
| SciCode | 47.3% | 52.9% |
| LMArena Coding | 1415 | 1499 |
| DeepSWE | — | 57.5% |
| FrontierSWE | — | 15.8% |
| WeirdML | 49.9% | — |
| ALE-Bench | 944.17 | — |

## Agentic & Tool Use

- Grok 4.3: 27.6 (#93)
- Qwen3.8 Max: 42.6 (#17)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| GDP.pdf | 8% | 23.2% |
| τ²-bench Banking | — | 55.1% |
| LMArena Search | 1165 | — |
| Vending-Bench 2 | 35.26 | — |

## Reasoning

- Grok 4.3: 34.9 (#60)
- Qwen3.8 Max: 53.4 (#26)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| NYT Connections (extended) | 55.2% | 88.3% |
| CritPt | 8% | 20% |
| Chess Puzzles | 25% | 40% |
| LMArena Hard Prompts | 1397 | 1493 |
| DTBench | 90.7% | 92% |
| LMCA | 38.3% | 46.2% |
| Epoch Capabilities Index | 149.13 | 156.69 |
| Mystery Game Puzzles | — | 38% |
| ForecastBench | 60.3 | — |

## Math

- Grok 4.3: 45.8 (#60)
- Qwen3.8 Max: 73.1 (#15)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| FrontierMath (Tiers 1-3) | 42.8% | 74.7% |
| FrontierMath Tier 4 | 14.6% | 46.3% |
| OTIS Mock AIME 2024-2025 | 93.3% | 100% |
| ProofBench | 11% | 58% |
| LMArena Math | 1388 | 1498 |

## Knowledge

- Grok 4.3: 52.5 (#57)
- Qwen3.8 Max: 61.7 (#25)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| GPQA Diamond | 88.8% | 92.7% |
| SimpleQA Verified | 33.2% | 47.3% |
| LMArena Expert | 1385 | 1504 |

## Multimodal

- Grok 4.3: 31.6 (#96)
- Qwen3.8 Max: 36.9 (#70)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena Vision | 1231 | 1314 |
| Blueprint-Bench 2 | 0% | — |
| Furniture Assembly | — | 20% |

## Multilingual

- Grok 4.3: 50.7 (#114)
- Qwen3.8 Max: 56.6 (#18)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena Non-English | 1385 | 1468 |
| LMArena Chinese | 1423 | 1537 |
| LMArena French | 1412 | 1502 |
| LMArena German | 1395 | 1489 |
| LMArena Japanese | 1379 | 1466 |
| LMArena Korean | 1357 | 1467 |
| LMArena Russian | 1399 | 1478 |
| LMArena Spanish | 1402 | 1495 |

## Instruction Following

- Grok 4.3: 72.3 (#135)
- Qwen3.8 Max: 77.7 (#19)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena Instruction Following | 1366 | 1478 |

## Long Context

- Grok 4.3: 42.5 (#118)
- Qwen3.8 Max: 45.5 (#30)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena Longer Query | 1393 | 1486 |

## Writing & Preference

- Grok 4.3: 58.6 (#112)
- Qwen3.8 Max: 67.0 (#31)

| Benchmark | Grok 4.3 | Qwen3.8 Max |
|---|---|---|
| LMArena Text | 1397 | 1480 |
| LMArena Creative Writing | 1380 | 1478 |
| LMArena Multi-Turn | 1406 | 1487 |
| EQ-Bench 4 | 1075 | — |

## FAQ

### Is Grok 4.3 better than Qwen3.8 Max?

Qwen3.8 Max is the stronger model overall, scoring 56.0 to 43.6 on the Noometry Index. Grok 4.3 costs 1.9× less per token, which makes it the better buy when Qwen3.8 Max's lead doesn't matter for your workload.

### Which is cheaper, Grok 4.3 or Qwen3.8 Max?

Grok 4.3 is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Qwen3.8 Max lists at $2 and $6.

### Is Grok 4.3 or Qwen3.8 Max better for coding?

Qwen3.8 Max scores higher on coding benchmarks: 52.3 versus 41.3 in the Noometry coding category.

### Which has the bigger context window?

Both accept 1M tokens.

### How many benchmarks do Grok 4.3 and Qwen3.8 Max share?

33 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Qwen3.8 Max has 38.