Model comparison

Grok Build 0.1 vs MiniMax-M2.5

MiniMax-M2.5 is the stronger model overall, scoring 38.1 to 35.8 on the Noometry Index.

Last verified October 10, 2026. 0 shared benchmarks.

Grok Build 0.1 xAI

35.8

Rank #214 Reported

MiniMax-M2.5

MiniMax

38.1

Rank #181 Confirmed

Summary

The widest gap is in reasoning, where Grok Build 0.1 leads 31.3 to 17.6.
MiniMax-M2.5 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
Grok Build 0.1 accepts more context: 256K tokens versus 205K.
MiniMax-M2.5 has downloadable open weights; the other is API-only.

Side by side

Grok Build 0.1 and MiniMax-M2.5 specifications
	Grok Build 0.1	MiniMax-M2.5
Provider	xAI	MiniMax
Noometry Index	35.8	38.1
Released	2026-04-16	2026-02-12
Weights	Proprietary	Open
Context window	256K	205K
Max output	256K	131K
Input $ / M tokens	$1	$0.30
Output $ / M tokens	$2	$1.20
Results tracked	3	33

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Category by category

Coding MiniMax-M2.5 leads

Grok Build 0.1: 42.5 (#90), MiniMax-M2.5: 47.9 (#53)

Coding benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
SWE-bench Verified (bash only)	—	75.8%
LMArena WebDev	—	1386
SWE-bench Multilingual	—	68.3%
SciCode	50.2%	—
LMArena Coding	—	1380
ALE-Bench	—	618.17

Agentic & Tool Use MiniMax-M2.5 leads

Grok Build 0.1: 22.5 (#122), MiniMax-M2.5: 30.2 (#70)

Agentic & Tool Use benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
Terminal-Bench	—	42.7%
GBAEval	2.4%	—
Vending-Bench 2	—	-23.16

Reasoning Grok Build 0.1 leads

Grok Build 0.1: 31.3 (#73), MiniMax-M2.5: 17.6 (#281)

Reasoning benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
ARC-AGI-2	—	4.9%
Kagi LLM Benchmark	—	55.2%
NYT Connections (extended)	—	16.8%
ARC-AGI-1	—	63.7%
CritPt	9.1%	—
LMArena Hard Prompts	—	1372
Epoch Capabilities Index	—	146.68

Math Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 25.8 (#242)

Math benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
ProofBench	—	4%
LMArena Math	—	1378

Knowledge Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 38.6 (#132)

Knowledge benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
Vectara Hallucination Rate	—	9.1%
LMArena Expert	—	1378

Multilingual Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 47.3 (#147)

Multilingual benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
LMArena Non-English	—	1338
LMArena Chinese	—	1392
LMArena French	—	1363
LMArena German	—	1361
LMArena Japanese	—	1169
LMArena Korean	—	1232
LMArena Russian	—	1359
LMArena Spanish	—	1354

Instruction Following Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 71.7 (#143)

Instruction Following benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
LMArena Instruction Following	—	1353

Long Context Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 37.4 (#211)

Long Context benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
CL-bench	—	11.4%
CL-bench Life	—	6.3%
LMArena Longer Query	—	1367

Writing & Preference Not comparable

Grok Build 0.1: —, MiniMax-M2.5: 54.1 (#149)

Writing & Preference benchmarks
Benchmark	Grok Build 0.1	MiniMax-M2.5
LMArena Text	—	1359
LMArena Creative Writing	—	1331
EQ-Bench Creative Writing	—	1361
LMArena Multi-Turn	—	1364

Frequently asked questions

Is Grok Build 0.1 better than MiniMax-M2.5?

MiniMax-M2.5 is the stronger model overall, scoring 38.1 to 35.8 on the Noometry Index.

Which is cheaper, Grok Build 0.1 or MiniMax-M2.5?

MiniMax-M2.5 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Grok Build 0.1 lists at $1 and $2.

Is Grok Build 0.1 or MiniMax-M2.5 better for coding?

MiniMax-M2.5 scores higher on coding benchmarks: 47.9 versus 42.5 in the Noometry coding category.

Which has the bigger context window?

Grok Build 0.1 does, with 256K tokens against 205K.

How many benchmarks do Grok Build 0.1 and MiniMax-M2.5 share?

0 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and MiniMax-M2.5 has 33.