# Grok 4 vs MiniMax-M2.5

> Grok 4 is the stronger model overall, scoring 48.1 to 38.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-vs-minimax-m2-5
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Grok 4 scores higher in 9 categories and MiniMax-M2.5 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 leads 63.1 to 37.5.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 73.6% for Grok 4 and 55.2% for MiniMax-M2.5.
- MiniMax-M2.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| Provider | xAI | MiniMax |
| Noometry Index | 48.1 | 38.3 |
| Rank | 56 | 188 |
| Context | — | 205K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Proprietary | Open |

## Coding

- Grok 4: 50.3 (#46)
- MiniMax-M2.5: 48.1 (#58)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Coding | 1408 | 1381 |
| SWE-bench Verified (bash only) | — | 75.8% |
| Aider Polyglot | 79.6% | — |
| LMArena WebDev | — | 1387 |
| SWE-bench Multilingual | — | 68.3% |
| WeirdML | 45.7% | — |
| ALE-Bench | — | 618.17 |

## Agentic & Tool Use

- Grok 4: 32.3 (#68)
- MiniMax-M2.5: 30.4 (#77)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| Terminal-Bench | 27.2% | 42.7% |
| 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% | — |
| Vending-Bench 2 | — | -23.16 |

## Reasoning

- Grok 4: 36.7 (#65)
- MiniMax-M2.5: 17.5 (#292)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| ARC-AGI-2 | 16% | 4.9% |
| Kagi LLM Benchmark | 73.6% | 55.2% |
| ARC-AGI-1 | 66.7% | 63.7% |
| LMArena Hard Prompts | 1409 | 1372 |
| Epoch Capabilities Index | 146.44 | 146.68 |
| SimpleBench | 60.5% | — |
| NYT Connections (extended) | — | 16.8% |
| Chess Puzzles | 28% | — |
| ForecastBench | 60.9 | — |

## Math

- Grok 4: 48.4 (#64)
- MiniMax-M2.5: 26.9 (#253)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Math | 1422 | 1378 |
| OTIS Mock AIME 2024-2025 | 84% | — |
| ProofBench | — | 4% |
| Omni-MATH | 60.3% | — |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Grok 4: 53.8 (#55)
- MiniMax-M2.5: 39.2 (#135)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Expert | 1415 | 1379 |
| GPQA Diamond | 87% | — |
| MMLU-Pro | 85.1% | — |
| Confabulations | 12.4% | — |
| Vectara Hallucination Rate | — | 9.1% |
| GPQA (HELM) | 72.7% | — |

## Multimodal

- Grok 4: 33.7 (#94)
- MiniMax-M2.5: —

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Vision | 1210 | — |
| GeoBench | 45% | — |

## Multilingual

- Grok 4: 51.8 (#103)
- MiniMax-M2.5: 47.1 (#152)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Non-English | 1403 | 1338 |
| LMArena Chinese | 1427 | 1393 |
| LMArena French | 1418 | 1362 |
| LMArena German | 1429 | 1362 |
| LMArena Japanese | 1394 | 1171 |
| LMArena Korean | 1377 | 1232 |
| LMArena Russian | 1410 | 1358 |
| LMArena Spanish | 1420 | 1354 |

## Instruction Following

- Grok 4: 79.2 (#5)
- MiniMax-M2.5: 71.5 (#148)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Instruction Following | 1387 | 1353 |
| IFEval | 94.9% | — |

## Long Context

- Grok 4: 63.1 (#4)
- MiniMax-M2.5: 37.5 (#216)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Longer Query | 1409 | 1366 |
| Fiction.LiveBench | 94.4% | — |
| CL-bench | — | 11.4% |
| CL-bench Life | — | 6.3% |

## Writing & Preference

- Grok 4: 58.5 (#116)
- MiniMax-M2.5: 53.9 (#153)

| Benchmark | Grok 4 | MiniMax-M2.5 |
|---|---|---|
| LMArena Text | 1411 | 1359 |
| LMArena Creative Writing | 1397 | 1331 |
| LMArena Multi-Turn | 1416 | 1364 |
| Short-Story Creative Writing | 76.9% | — |
| EQ-Bench Creative Writing | — | 1361 |
| WildBench | 79.7% | — |

## FAQ

### Is Grok 4 better than MiniMax-M2.5?

Grok 4 is the stronger model overall, scoring 48.1 to 38.3 on the Noometry Index.

### Is Grok 4 or MiniMax-M2.5 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 48.1 in the Noometry coding category.

### How many benchmarks do Grok 4 and MiniMax-M2.5 share?

22 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and MiniMax-M2.5 has 33.