Model comparison

MiniMax-M2.1 vs Muse Spark 1.3

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 38.9 on the Noometry Index. MiniMax-M2.1 costs 3.8× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.

Last verified October 10, 2026. 19 shared benchmarks.

MiniMax-M2.1

MiniMax

38.9

Rank #178 Confirmed

Muse Spark 1.3

Summary

They share 19 benchmarks with published results for both. MiniMax-M2.1 scores higher in 0 categories and Muse Spark 1.3 in 9 categories; 9 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Muse Spark 1.3 leads 54.0 to 16.6.
The biggest single-benchmark swing is NYT Connections (extended): 11.2% for MiniMax-M2.1 and 85.1% for Muse Spark 1.3.
MiniMax-M2.1 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
Muse Spark 1.3 accepts more context: 1.05M tokens versus 205K.
MiniMax-M2.1 has downloadable open weights; the other is API-only.

Side by side

MiniMax-M2.1 and Muse Spark 1.3 specifications
	MiniMax-M2.1	Muse Spark 1.3
Provider	MiniMax	Meta
Noometry Index	38.9	54.8
Released	2025-12-23	2026-09-02
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	22	37

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Category by category

Coding Muse Spark 1.3 leads

MiniMax-M2.1: 40.4 (#143), Muse Spark 1.3: 56.6 (#21)

Coding benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena WebDev	1384	1657
LMArena Coding	1421	1514
CursorBench	—	41.6%
SciCode	—	59.7%
ALE-Bench	623.83	—

Agentic & Tool Use Muse Spark 1.3 leads

MiniMax-M2.1: 27.9 (#98), Muse Spark 1.3: 38.6 (#30)

Agentic & Tool Use benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
Terminal-Bench	36.6%	—
APEX-Agents	—	57.8%
GDP.pdf	—	27.6%

Reasoning Muse Spark 1.3 leads

MiniMax-M2.1: 16.6 (#302), Muse Spark 1.3: 54.0 (#27)

Reasoning benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
NYT Connections (extended)	11.2%	85.1%
LMArena Hard Prompts	1411	1503
CritPt	—	26%
Chess Puzzles	—	38%
Mystery Game Puzzles	—	25%
DTBench	—	96.5%
LMCA	—	53.9%
Bench to the Future 3	—	0.14
Epoch Capabilities Index	—	156.75

Math Muse Spark 1.3 leads

MiniMax-M2.1: 38.3 (#138), Muse Spark 1.3: 73.1 (#21)

Math benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Math	1397	1494
FrontierMath (Tiers 1-3)	—	74.4%
FrontierMath Tier 4	—	46.3%
OTIS Mock AIME 2024-2025	—	99.2%
ProofBench	—	58%

Knowledge Muse Spark 1.3 leads

MiniMax-M2.1: 38.3 (#147), Muse Spark 1.3: 42.6 (#95)

Knowledge benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Expert	1431	1516
Vectara Hallucination Rate	11.8%	—

Multimodal Not comparable

MiniMax-M2.1: —, Muse Spark 1.3: 43.7 (#22)

Multimodal benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Vision	—	1309
LMArena Document	—	1471

Multilingual Muse Spark 1.3 leads

MiniMax-M2.1: 50.0 (#128), Muse Spark 1.3: 57.4 (#8)

Multilingual benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Non-English	1378	1481
LMArena Chinese	1430	1529
LMArena French	1404	1524
LMArena German	1381	1515
LMArena Japanese	1287	1474
LMArena Korean	1298	1501
LMArena Russian	1387	1490
LMArena Spanish	1397	1490

Instruction Following Muse Spark 1.3 leads

MiniMax-M2.1: 73.8 (#112), Muse Spark 1.3: 77.5 (#22)

Instruction Following benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Instruction Following	1400	1477

Long Context Muse Spark 1.3 leads

MiniMax-M2.1: 43.2 (#101), Muse Spark 1.3: 45.6 (#32)

Long Context benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Longer Query	1416	1488

Writing & Preference Muse Spark 1.3 leads

MiniMax-M2.1: 58.3 (#120), Muse Spark 1.3: 73.6 (#9)

Writing & Preference benchmarks
Benchmark	MiniMax-M2.1	Muse Spark 1.3
LMArena Text	1392	1490
LMArena Creative Writing	1361	1455
LMArena Multi-Turn	1396	1482
EQ-Bench Creative Writing	—	1906

Frequently asked questions

Is MiniMax-M2.1 better than Muse Spark 1.3?

Which is cheaper, MiniMax-M2.1 or Muse Spark 1.3?

MiniMax-M2.1 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

Is MiniMax-M2.1 or Muse Spark 1.3 better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 40.4 in the Noometry coding category.

Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 205K.

How many benchmarks do MiniMax-M2.1 and Muse Spark 1.3 share?

19 benchmarks have published results for both models. MiniMax-M2.1 has 22 scored results on Noometry and Muse Spark 1.3 has 37.