Model comparison

GPT-5.4 vs MiniMax-M2.1

GPT-5.4 is the stronger model overall, scoring 59.5 to 38.4 on the Noometry Index. MiniMax-M2.1 costs 11× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

GPT-5.4 OpenAI

59.5

Rank #14 Confirmed

MiniMax-M2.1 MiniMax

38.4

Rank #177 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-5.4 scores higher in 9 categories and MiniMax-M2.1 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.4 leads 61.7 to 15.8.
  • The biggest single-benchmark swing is NYT Connections (extended): 91.3% for GPT-5.4 and 11.2% for MiniMax-M2.1.
  • MiniMax-M2.1 is cheaper at $0.30 / $1.20 per million input/output tokens, against $2.50 / $15 for GPT-5.4.
  • GPT-5.4 accepts more context: 1.05M tokens versus 205K.
  • MiniMax-M2.1 has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 and MiniMax-M2.1 specifications
GPT-5.4MiniMax-M2.1
ProviderOpenAIMiniMax
Noometry Index59.538.4
Released2026-03-052025-12-23
WeightsProprietaryOpen
Context window1.05M205K
Max output128K131K
Input $ / M tokens$2.50$0.30
Output $ / M tokens$15$1.20
Results tracked6822

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Category by category

Coding GPT-5.4 leads

GPT-5.4: 52.8 (#28), MiniMax-M2.1: 40.1 (#132)

Coding benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena WebDev14651384
LMArena Coding14971421
ALE-Bench1,607623.83
SWE-bench Verified76.9%—
DeepSWE51.8%—
SciCode56.6%—
GSO31.4%—
WeirdML77.7%—
MirrorCode15.6%—
AlgoTune1.85—

Agentic & Tool Use GPT-5.4 leads

GPT-5.4: 46.5 (#12), MiniMax-M2.1: 27.7 (#91)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
Terminal-Bench81.8%36.6%
APEX-Agents52.4%—
τ²-bench Banking39.4%—
DeepResearch Bench35.1%—
PostTrainBench19%—
GBAEval45.1%—
LMArena Search1197—
METR Time Horizons74.3%—
Vending-Bench 26,144—

Reasoning GPT-5.4 leads

GPT-5.4: 61.7 (#17), MiniMax-M2.1: 15.8 (#301)

Reasoning benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
NYT Connections (extended)91.3%11.2%
LMArena Hard Prompts14851410
ARC-AGI-274%—
Kagi LLM Benchmark63.8%—
ARC-AGI-193.7%—
CritPt23.4%—
Chess Puzzles44%—
EnigmaEval16%—
Thematic Generalization80%—
EBR-Bench25.4%—
Mystery Game Puzzles37%—
DTBench94.4%—
LMCA52%—
Epoch Capabilities Index156.92—
ForecastBench59.5—

Math GPT-5.4 leads

GPT-5.4: 73.3 (#14), MiniMax-M2.1: 35.6 (#142)

Knowledge GPT-5.4 leads

GPT-5.4: 65.3 (#13), MiniMax-M2.1: 37.7 (#143)

Knowledge benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
Vectara Hallucination Rate7%11.8%
LMArena Expert15071432
GPQA Diamond93.3%—
Humanity's Last Exam36.2%—
SimpleQA Verified45.1%—

Multimodal Not comparable

GPT-5.4: 43.8 (#19), MiniMax-M2.1: —

Multimodal benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena Vision1302—
Blueprint-Bench 227.1%—
Furniture Assembly37.5%—
LMArena Document1471—

Multilingual GPT-5.4 leads

GPT-5.4: 56.4 (#22), MiniMax-M2.1: 50.2 (#123)

Multilingual benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena Non-English14651378
LMArena Chinese15201430
LMArena French14931405
LMArena German14721380
LMArena Japanese14841287
LMArena Korean14491297
LMArena Russian14801386
LMArena Spanish14531396

Instruction Following GPT-5.4 leads

GPT-5.4: 77.3 (#25), MiniMax-M2.1: 74.0 (#108)

Instruction Following benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena Instruction Following14691399

Long Context GPT-5.4 leads

GPT-5.4: 50.3 (#8), MiniMax-M2.1: 43.2 (#98)

Long Context benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena Longer Query14741416
CL-bench27.9%—
CL-bench Life21.7%—

Writing & Preference GPT-5.4 leads

GPT-5.4: 72.1 (#18), MiniMax-M2.1: 58.5 (#114)

Writing & Preference benchmarks
BenchmarkGPT-5.4MiniMax-M2.1
LMArena Text14691392
LMArena Creative Writing14391362
LMArena Multi-Turn14821396
EQ-Bench Creative Writing1840—
EQ-Bench 41272—

Frequently asked questions

Is GPT-5.4 better than MiniMax-M2.1?

GPT-5.4 is the stronger model overall, scoring 59.5 to 38.4 on the Noometry Index. MiniMax-M2.1 costs 11× less per token, which makes it the better buy when GPT-5.4's lead doesn't matter for your workload.

Which is cheaper, GPT-5.4 or MiniMax-M2.1?

MiniMax-M2.1 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; GPT-5.4 lists at $2.50 and $15.

Is GPT-5.4 or MiniMax-M2.1 better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.8 versus 40.1 in the Noometry coding category.

Which has the bigger context window?

GPT-5.4 does, with 1.05M tokens against 205K.

How many benchmarks do GPT-5.4 and MiniMax-M2.1 share?

22 benchmarks have published results for both models. GPT-5.4 has 68 scored results on Noometry and MiniMax-M2.1 has 22.

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