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gpt-oss-120b vs MiniMax M2

MiniMax M2 leads gpt-oss-120b on the Artificial Analysis Intelligence Index, 18.6 to 11.6, and gpt-oss-120b costs 2.0x less per output token ($0.50 vs $1.02 per million). Updated October 22, 2026; 47 benchmarks have a result for both.

Replace gpt-oss-120b Replace MiniMax M2
gpt-oss-120bOpenAI
Coding
No data
Overall
50.0
Output $/M
$0.50
25
MiniMax M2MiniMax
Coding
No data
Overall
No data
Output $/M
$1.02
22
vs boards won of 47 shared

gpt-oss-120b or MiniMax M2: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick gpt-oss-120b for output tokens 2.0x cheaper ($0.50 vs $1.02 per million) and a lower cost per solved task ($0.51 against $0.702).

Model Agpt-oss-120bOpenAINot benchmarked1 independent benchmark$0.51 per solved taskModel BMiniMax M2MiniMaxNot benchmarked1 independent benchmark$0.702 per solved task
Shared results
47
gpt-oss-120b only
34
MiniMax M2 only
3
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
gpt-oss-120b not benchmarked, MiniMax M2 not benchmarked.
Widest category
Web design, 21.6 points apart on average over 6 shared benchmarks.
Widest single gap
SWE-bench Verified: gpt-oss-120b 26.0% against MiniMax M2 61.0%, 35.0 points apart on a 0 to 100 scale.
Output price
gpt-oss-120b $0.50 against MiniMax M2 $1.02 per million output tokens, 2.0x apart.
Context window
gpt-oss-120b takes 131K tokens, MiniMax M2 205K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
Categorygpt-oss-120bBarsMiniMax M2Ties
Coding33
Intelligence01
Agentic work02
Reasoning51
Math40
Knowledge41
Web design06
General98
All shared boards2522
CodingLike-for-likeSix of these boards feed the Vibe Coding Index33
Coding benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
Aider polyglot41.8%Not measuredOnly gpt-oss-120b measured
SWE-bench Verified26.0%61.0%MiniMax M2
LMArena WebDevNot measured1297Only MiniMax M2 measured
AA Coding Index30.4Not measuredOnly gpt-oss-120b measured
LiveCodeBench (Vals AI)83.2%Not measuredOnly gpt-oss-120b measured
SWE-bench Verified (Vals AI)33.6%Not measuredOnly gpt-oss-120b measured
LiveCodeBench (Artificial Analysis run)87.8%82.6%gpt-oss-120b
SciCode34.0%Not measuredOnly gpt-oss-120b measured
Terminal-Bench Hard (Artificial Analysis run)23.5%25.8%MiniMax M2
Terminal-Bench18.7%30.0%MiniMax M2
WeirdML48.2%Not measuredOnly gpt-oss-120b measured
ALE-Bench575.6Not measuredOnly gpt-oss-120b measured
LMArena Text: coding13791371gpt-oss-120b
LMArena Text: software and IT13871373gpt-oss-120b
LMArena WebDev: HTMLNot measured1306Only MiniMax M2 measured
SciCode7.7%Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 23 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
AA Intelligence Index11.618.6MiniMax M2
Epoch Capabilities Index139.8Not measuredOnly gpt-oss-120b measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index02
Agentic work benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
AA Agentic Index3.7Not measuredOnly gpt-oss-120b measured
τ²-Bench Telecom65.8%86.8%MiniMax M2
APEX-Agents4.4%Not measuredOnly gpt-oss-120b measured
METR time horizons56.6%Not measuredOnly gpt-oss-120b measured
Vending-Bench 2-$22$161MiniMax M2
BrowseComp-Plus67.0%Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index51
Reasoning benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
GPQA Diamond78.5%Not measuredOnly gpt-oss-120b measured
GPQA Diamond (Artificial Analysis run)78.2%77.7%gpt-oss-120b
Humanity's Last Exam (Artificial Analysis run)19.6%13.7%gpt-oss-120b
GPQA Diamond (Epoch AI run)75.8%Not measuredOnly gpt-oss-120b measured
SimpleBench22.1%Not measuredOnly gpt-oss-120b measured
Mystery game puzzles2.0%Not measuredOnly gpt-oss-120b measured
LMArena Text: hard prompts13641357gpt-oss-120b
LMArena Text: expert13561338gpt-oss-120b
LMArena Text: hard prompts in English13681376MiniMax M2
Kagi LLM Benchmark58.6%57.8%gpt-oss-120b
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
AIME92.6%Not measuredOnly gpt-oss-120b measured
MATH 500 (Vals AI)94.8%Not measuredOnly gpt-oss-120b measured
MGSM (Vals AI)92.0%Not measuredOnly gpt-oss-120b measured
AA Math Index93.478.3gpt-oss-120b
AIME 2025 (Artificial Analysis run)93.4%78.3%gpt-oss-120b
OTIS Mock AIME88.9%Not measuredOnly gpt-oss-120b measured
LMArena Text: math13891351gpt-oss-120b
LMArena Text: mathematical work13861368gpt-oss-120b
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index41
Knowledge benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
MMLU Pro79.2%Not measuredOnly gpt-oss-120b measured
LegalBench (Vals AI)75.9%Not measuredOnly gpt-oss-120b measured
CaseLaw (Vals AI)48.8%Not measuredOnly gpt-oss-120b measured
CorpFin (Vals AI)58.2%Not measuredOnly gpt-oss-120b measured
TaxEval (Vals AI)71.6%Not measuredOnly gpt-oss-120b measured
MedQA (Vals AI)91.4%Not measuredOnly gpt-oss-120b measured
MMLU Pro (Artificial Analysis run)80.8%82.0%MiniMax M2
LMArena Text: science13821348gpt-oss-120b
LMArena Text: medicine and healthcare13881367gpt-oss-120b
LMArena Text: legal and government13551349gpt-oss-120b
LMArena Text: business and finance13591336gpt-oss-120b
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
Design Arena: websites9671143MiniMax M2
Design Arena: UI components9241137MiniMax M2
Design Arena: game dev9921118MiniMax M2
Design Arena: data viz9871140MiniMax M2
Design Arena: 3D9011098MiniMax M2
Design Arena: all code categories9621135MiniMax M2
Design Arena: SVGNot measured1100Only MiniMax M2 measured
Neither model has a result on the other 2 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index98
General benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
IFBench69.0%72.3%MiniMax M2
Long context reasoning (AA-LCR)52.0%64.3%MiniMax M2
DTBench76.3%Not measuredOnly gpt-oss-120b measured
LMCA22.1%Not measuredOnly gpt-oss-120b measured
Fiction.LiveBench44.4%Not measuredOnly gpt-oss-120b measured
Creative writing (Lech Mazur)77.1%Not measuredOnly gpt-oss-120b measured
Surface Evolver Bench25.0%Not measuredOnly gpt-oss-120b measured
LMArena Text13661340gpt-oss-120b
LMArena Text: instruction following13181329MiniMax M2
LMArena Text: creative writing12741286MiniMax M2
LMArena Text: English13751364gpt-oss-120b
LMArena Text: non-English13511313gpt-oss-120b
LMArena Text: Chinese13851366gpt-oss-120b
LMArena Text: German13531357MiniMax M2
LMArena Text: Japanese1331Not measuredOnly gpt-oss-120b measured
LMArena Text: Korean1282Not measuredOnly gpt-oss-120b measured
LMArena Text: French13701336gpt-oss-120b
LMArena Text: Spanish13891326gpt-oss-120b
LMArena Text: Russian13431330gpt-oss-120b
LMArena Text: Polish13531312gpt-oss-120b
LMArena Text: multi-turn13401361MiniMax M2
LMArena Text: longer queries13191331MiniMax M2
LMArena Text: writing and language13061295gpt-oss-120b
LMArena Text: entertainment and media12921298MiniMax M2
Neither model has a result on the other 22 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for gpt-oss-120b and MiniMax M2
Benchmarkgpt-oss-120bMiniMax M2Leader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

gpt-oss-120b$0.0003Fits in one request
MiniMax M2$0.0008Fits in one request

gpt-oss-120b costs less

Repository review

50K input + 3K output tokens

gpt-oss-120b$0.0065Fits in one request
MiniMax M2$0.016Fits in one request

gpt-oss-120b costs less

Agent loop

200K input + 10K output tokens

gpt-oss-120b$0.025Exceeds the context window
MiniMax M2$0.061Exceeds the context window

gpt-oss-120b costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of gpt-oss-120b and MiniMax M2
SpecificationOpenAI gpt-oss-120bMiniMax M2
MakerOpenAIMiniMax
WeightsOpen weightsOpen weights
ReleasedAugust 5, 2025October 23, 2025
Context window131K205K
Input $/Mtok$0.10$0.255
Output $/Mtok$0.50$1.02
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it11
Cost per solved task$0.51$0.702
SourceOpenRouter listingOpenRouter listing

Questions

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

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick gpt-oss-120b for output tokens 2.0x cheaper ($0.50 vs $1.02 per million) and a lower cost per solved task ($0.51 against $0.702).

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

gpt-oss-120b costs $0.10 per million input tokens and $0.50 per million output tokens; MiniMax M2 costs $0.255 and $1.02. Per solved SWE-bench Verified task, gpt-oss-120b costs $0.51 and MiniMax M2 $0.702.

Which has the bigger context window, gpt-oss-120b or MiniMax M2?

MiniMax M2, with 205K tokens against 131K.

How many benchmarks is the gpt-oss-120b vs MiniMax M2 comparison based on?

47 benchmarks have a result for both models as of October 22, 2026. gpt-oss-120b's coding index rests on 1 independent benchmark and MiniMax M2's on 1. Where only one model has a result, the page says so instead of naming a winner.

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