Model comparison

MiniMax-M2.5 vs Muse Spark 1.2

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 38.1 on the Noometry Index. MiniMax-M2.5 costs 3.8× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

Last verified October 10, 2026. 16 shared benchmarks.

MiniMax-M2.5

MiniMax

38.1

Rank #181 Confirmed

Muse Spark 1.2

Summary

They share 16 benchmarks with published results for both. MiniMax-M2.5 scores higher in 1 category and Muse Spark 1.2 in 8 categories; 7 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 17.6.
The biggest single-benchmark swing is NYT Connections (extended): 16.8% for MiniMax-M2.5 and 79.2% for Muse Spark 1.2.
MiniMax-M2.5 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
Muse Spark 1.2 accepts more context: 1.05M tokens versus 205K.
MiniMax-M2.5 has downloadable open weights; the other is API-only.

Side by side

MiniMax-M2.5 and Muse Spark 1.2 specifications
	MiniMax-M2.5	Muse Spark 1.2
Provider	MiniMax	Meta
Noometry Index	38.1	49.8
Released	2026-02-12	2026-08-05
Weights	Open	Proprietary
Context window	205K	1.05M
Max output	131K	131K
Input $ / M tokens	$0.30	$1.25
Output $ / M tokens	$1.20	$4.25
Results tracked	33	28

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Category by category

Coding Too close to call

MiniMax-M2.5: 47.9 (#53), Muse Spark 1.2: 48.6 (#49)

Coding benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena WebDev	1386	1532
LMArena Coding	1380	1497
DeepSWE	—	54.9%
SWE-bench Verified (bash only)	75.8%	—
SWE-bench Multilingual	68.3%	—
FrontierSWE	—	12%
SciCode	—	56.4%
WeirdML	—	60.3%
ALE-Bench	618.17	—

Agentic & Tool Use Too close to call

MiniMax-M2.5: 30.2 (#70), Muse Spark 1.2: 29.5 (#77)

Agentic & Tool Use benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
Terminal-Bench	42.7%	—
APEX-Agents	—	36.4%
GDP.pdf	—	16%
Vending-Bench 2	-23.16	—

Reasoning Muse Spark 1.2 leads

MiniMax-M2.5: 17.6 (#281), Muse Spark 1.2: 50.4 (#32)

Reasoning benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
NYT Connections (extended)	16.8%	79.2%
LMArena Hard Prompts	1372	1490
Epoch Capabilities Index	146.68	155.18
ARC-AGI-2	4.9%	—
SimpleBench	—	74.5%
Kagi LLM Benchmark	55.2%	—
ARC-AGI-1	63.7%	—
CritPt	—	17.7%
DTBench	—	94.7%
LMCA	—	48.4%

Math Muse Spark 1.2 leads

MiniMax-M2.5: 25.8 (#242), Muse Spark 1.2: 43.8 (#68)

Math benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
ProofBench	4%	43%
LMArena Math	1378	—

Knowledge Muse Spark 1.2 leads

MiniMax-M2.5: 38.6 (#132), Muse Spark 1.2: 53.9 (#49)

Knowledge benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Expert	1378	1485
SimpleQA Verified	—	60.3%
Vectara Hallucination Rate	9.1%	—

Multimodal Not comparable

MiniMax-M2.5: —, Muse Spark 1.2: 42.6 (#24)

Multimodal benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Vision	—	1304

Multilingual Muse Spark 1.2 leads

MiniMax-M2.5: 47.3 (#147), Muse Spark 1.2: 57.4 (#10)

Multilingual benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Non-English	1338	1479
LMArena Chinese	1392	1519
LMArena Russian	1359	1494
LMArena French	1363	—
LMArena German	1361	—
LMArena Japanese	1169	—
LMArena Korean	1232	—
LMArena Spanish	1354	—

Instruction Following Muse Spark 1.2 leads

MiniMax-M2.5: 71.7 (#143), Muse Spark 1.2: 77.1 (#30)

Instruction Following benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Instruction Following	1353	1466

Long Context Muse Spark 1.2 leads

MiniMax-M2.5: 37.4 (#211), Muse Spark 1.2: 45.4 (#35)

Long Context benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Longer Query	1367	1483
CL-bench	11.4%	—
CL-bench Life	6.3%	—

Writing & Preference Muse Spark 1.2 leads

MiniMax-M2.5: 54.1 (#149), Muse Spark 1.2: 72.6 (#14)

Writing & Preference benchmarks
Benchmark	MiniMax-M2.5	Muse Spark 1.2
LMArena Text	1359	1486
LMArena Creative Writing	1331	1444
EQ-Bench Creative Writing	1361	1840
LMArena Multi-Turn	1364	1504

Frequently asked questions

Is MiniMax-M2.5 better than Muse Spark 1.2?

Which is cheaper, MiniMax-M2.5 or Muse Spark 1.2?

MiniMax-M2.5 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

Is MiniMax-M2.5 or Muse Spark 1.2 better for coding?

They score almost the same on coding (47.9 vs 48.6); test both on your own repository before choosing.

Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 205K.

How many benchmarks do MiniMax-M2.5 and Muse Spark 1.2 share?

16 benchmarks have published results for both models. MiniMax-M2.5 has 33 scored results on Noometry and Muse Spark 1.2 has 28.