Model comparison

gpt-oss-120b vs MiniMax-M2

MiniMax-M2 is the stronger model overall, scoring 37.4 to 36.3 on the Noometry Index. gpt-oss-120b costs 7.5× less per token, which makes it the better buy when MiniMax-M2's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

gpt-oss-120b OpenAI

36.3

Rank #217 Confirmed

MiniMax-M2 MiniMax

37.4

Rank #204 Confirmed

Summary

  • They share 19 benchmarks with published results for both. gpt-oss-120b scores higher in 4 categories and MiniMax-M2 in 5 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where gpt-oss-120b leads 52.5 to 37.3.
  • The biggest single-benchmark swing is SWE-bench Verified (bash only): 26% for gpt-oss-120b and 61% for MiniMax-M2.
  • gpt-oss-120b is cheaper at $0.037 / $0.17 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.
  • MiniMax-M2 accepts more context: 205K tokens versus 131K.

Side by side

gpt-oss-120b and MiniMax-M2 specifications
gpt-oss-120bMiniMax-M2
ProviderOpenAIMiniMax
Noometry Index36.337.4
Released2025-08-052025-10-27
WeightsOpenOpen
Context window131K205K
Max output41K131K
Input $ / M tokens$0.037$0.30
Output $ / M tokens$0.17$1.20
Results tracked4821

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Category by category

Coding MiniMax-M2 leads

gpt-oss-120b: 33.5 (#256), MiniMax-M2: 39.3 (#159)

Coding benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
SWE-bench Verified (bash only)26%61%
LMArena Coding13801370
Aider Polyglot41.8%—
LMArena WebDev—1297
SciCode36%—
WeirdML48.2%—
ALE-Bench575.62—
AlgoTune1.41—

Agentic & Tool Use MiniMax-M2 leads

gpt-oss-120b: 12.2 (#153), MiniMax-M2: 25.1 (#109)

Agentic & Tool Use benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
Terminal-Bench18.7%30%
Vending-Bench 2-21.53160.6
APEX-Agents4.4%—
METR Time Horizons56.6%—

Reasoning Too close to call

gpt-oss-120b: 20.0 (#245), MiniMax-M2: 19.4 (#258)

Reasoning benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
Kagi LLM Benchmark58.6%57.8%
LMArena Hard Prompts13641357
SimpleBench22.1%—
NYT Connections (extended)—14.8%
CritPt1.1%—
Chess Puzzles20%—
Mystery Game Puzzles2%—
DTBench76.3%—
LMCA22.1%—
Surface Evolver Bench25%—
Epoch Capabilities Index139.93—

Math gpt-oss-120b leads

gpt-oss-120b: 52.5 (#50), MiniMax-M2: 37.3 (#160)

Math benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Math13891352
OTIS Mock AIME 2024-202588.9%—
Omni-MATH68.8%—

Knowledge gpt-oss-120b leads

gpt-oss-120b: 42.4 (#96), MiniMax-M2: 37.0 (#163)

Knowledge benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Expert13561337
GPQA Diamond75.8%—
MMLU-Pro79.5%—
Confabulations15.7%—
Vectara Hallucination Rate14.2%—
GPQA (HELM)68.4%—

Multilingual gpt-oss-120b leads

gpt-oss-120b: 48.0 (#147), MiniMax-M2: 45.3 (#171)

Multilingual benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Non-English13511313
LMArena Chinese13851366
LMArena French13691335
LMArena German13531355
LMArena Russian13431331
LMArena Spanish13891326
LMArena Japanese1331—
LMArena Korean1282—

Instruction Following Too close to call

gpt-oss-120b: 69.3 (#173), MiniMax-M2: 70.2 (#166)

Instruction Following benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Instruction Following13181328
IFEval83.6%—

Long Context MiniMax-M2 leads

gpt-oss-120b: 31.4 (#278), MiniMax-M2: 40.5 (#153)

Long Context benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Longer Query13191331
Fiction.LiveBench44.4%—

Writing & Preference MiniMax-M2 leads

gpt-oss-120b: 46.5 (#217), MiniMax-M2: 53.0 (#162)

Writing & Preference benchmarks
Benchmarkgpt-oss-120bMiniMax-M2
LMArena Text13651340
LMArena Creative Writing12751286
LMArena Multi-Turn13401361
Short-Story Creative Writing77.1%—
EQ-Bench Creative Writing961—
WildBench84.5%—

Frequently asked questions

Is gpt-oss-120b better than MiniMax-M2?

MiniMax-M2 is the stronger model overall, scoring 37.4 to 36.3 on the Noometry Index. gpt-oss-120b costs 7.5× less per token, which makes it the better buy when MiniMax-M2's lead doesn't matter for your workload.

Which is cheaper, gpt-oss-120b or MiniMax-M2?

gpt-oss-120b is cheaper. It lists at $0.037 per million input tokens and $0.17 per million output tokens; MiniMax-M2 lists at $0.30 and $1.20.

Is gpt-oss-120b or MiniMax-M2 better for coding?

MiniMax-M2 scores higher on coding benchmarks: 39.3 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

MiniMax-M2 does, with 205K tokens against 131K.

How many benchmarks do gpt-oss-120b and MiniMax-M2 share?

19 benchmarks have published results for both models. gpt-oss-120b has 48 scored results on Noometry and MiniMax-M2 has 21.

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