Model comparison

Grok 4.20 (Non-Reasoning) vs MiniMax-M2

Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 37.4 on the Noometry Index. MiniMax-M2 costs 3.0× less per token, which makes it the better buy when Grok 4.20 (Non-Reasoning)'s lead doesn't matter for your workload.

Last verified October 11, 2026. 20 shared benchmarks.

Grok 4.20 (Non-Reasoning) xAI

48.6

Rank #54 Confirmed

MiniMax-M2

MiniMax

37.4

Rank #204 Confirmed

Summary

They share 20 benchmarks with published results for both. Grok 4.20 (Non-Reasoning) scores higher in 9 categories and MiniMax-M2 in 0 categories; 9 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Grok 4.20 (Non-Reasoning) leads 52.3 to 19.4.
The biggest single-benchmark swing is NYT Connections (extended): 85.4% for Grok 4.20 (Non-Reasoning) and 14.8% for MiniMax-M2.
MiniMax-M2 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 (Non-Reasoning).
Grok 4.20 (Non-Reasoning) accepts more context: 1M tokens versus 205K.
MiniMax-M2 has downloadable open weights; the other is API-only.

Side by side

Grok 4.20 (Non-Reasoning) and MiniMax-M2 specifications
	Grok 4.20 (Non-Reasoning)	MiniMax-M2
Provider	xAI	MiniMax
Noometry Index	48.6	37.4
Released	2026-02-17	2025-10-27
Weights	Proprietary	Open
Context window	1M	205K
Max output	30K	131K
Input $ / M tokens	$1.25	$0.30
Output $ / M tokens	$2.50	$1.20
Results tracked	46	21

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Category by category

Coding Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 42.1 (#112), MiniMax-M2: 39.3 (#159)

Coding benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena WebDev	1375	1297
LMArena Coding	1459	1370
SWE-bench Verified (bash only)	—	61%
WeirdML	52.3%	—
ALE-Bench	1,150	—

Agentic & Tool Use Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 34.4 (#46), MiniMax-M2: 25.1 (#109)

Agentic & Tool Use benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
Terminal-Bench	57.3%	30%
Vending-Bench 2	4,663	160.6
τ²-bench Banking	18%	—
LMArena Search	1189	—

Reasoning Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 52.3 (#32), MiniMax-M2: 19.4 (#258)

Reasoning benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
Kagi LLM Benchmark	75%	57.8%
NYT Connections (extended)	85.4%	14.8%
LMArena Hard Prompts	1451	1357
ARC-AGI-2	65.1%	—
ARC-AGI-1	89.5%	—
Chess Puzzles	24%	—
Thematic Generalization	63.8%	—
DTBench	90.1%	—
LMCA	38.7%	—
Epoch Capabilities Index	151.98	—
ForecastBench	61.4	—

Math Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 48.2 (#65), MiniMax-M2: 37.3 (#160)

Math benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Math	1455	1352
FrontierMath (Tiers 1-3)	44.9%	—
FrontierMath Tier 4	17.1%	—
OTIS Mock AIME 2024-2025	92.2%	—
ProofBench	14%	—

Knowledge Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 52.8 (#60), MiniMax-M2: 37.0 (#163)

Knowledge benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Expert	1439	1337
GPQA Diamond	89.3%	—
SimpleQA Verified	30.2%	—

Multimodal Not comparable

Grok 4.20 (Non-Reasoning): 33.3 (#98), MiniMax-M2: —

Multimodal benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Vision	1263	—
Blueprint-Bench 2	0%	—
LMArena Document	1416	—

Multilingual Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 54.5 (#40), MiniMax-M2: 45.3 (#171)

Multilingual benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Non-English	1441	1313
LMArena Chinese	1481	1366
LMArena French	1476	1335
LMArena German	1465	1355
LMArena Russian	1458	1331
LMArena Spanish	1443	1326
LMArena Japanese	1449	—
LMArena Korean	1417	—

Instruction Following Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 74.8 (#83), MiniMax-M2: 70.2 (#166)

Instruction Following benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Instruction Following	1420	1328

Long Context Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 45.5 (#34), MiniMax-M2: 40.5 (#153)

Long Context benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Longer Query	1437	1331
CL-bench	22.2%	—
CL-bench Life	11.9%	—

Writing & Preference Grok 4.20 (Non-Reasoning) leads

Grok 4.20 (Non-Reasoning): 65.7 (#44), MiniMax-M2: 53.0 (#162)

Writing & Preference benchmarks
Benchmark	Grok 4.20 (Non-Reasoning)	MiniMax-M2
LMArena Text	1451	1340
LMArena Creative Writing	1438	1286
LMArena Multi-Turn	1456	1361
EQ-Bench Creative Writing	1574	—

Frequently asked questions

Is Grok 4.20 (Non-Reasoning) better than MiniMax-M2?

Which is cheaper, Grok 4.20 (Non-Reasoning) or MiniMax-M2?

MiniMax-M2 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Grok 4.20 (Non-Reasoning) lists at $1.25 and $2.50.

Is Grok 4.20 (Non-Reasoning) or MiniMax-M2 better for coding?

Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 39.3 in the Noometry coding category.

Which has the bigger context window?

Grok 4.20 (Non-Reasoning) does, with 1M tokens against 205K.

How many benchmarks do Grok 4.20 (Non-Reasoning) and MiniMax-M2 share?

20 benchmarks have published results for both models. Grok 4.20 (Non-Reasoning) has 46 scored results on Noometry and MiniMax-M2 has 21.