Noometry

Model comparison

Mercury 2 vs MiniMax-M2.5

Mercury 2 and MiniMax-M2.5 score almost the same on the Noometry Index (39.1 vs 38.3), so choose on price, context window or the category you care about most.

Last verified . 14 shared benchmarks.

Mercury 2 Inception

39.1

Rank #175 Confirmed

MiniMax-M2.5 MiniMax

38.3

Rank #188 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Mercury 2 scores higher in 2 categories and MiniMax-M2.5 in 5 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in coding, where MiniMax-M2.5 leads 48.1 to 33.5.
  • Mercury 2 is cheaper at $0.25 / $0.75 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.5.
  • MiniMax-M2.5 accepts more context: 205K tokens versus 128K.
  • MiniMax-M2.5 has downloadable open weights; the other is API-only.

Side by side

Mercury 2MiniMax-M2.5
ProviderInceptionMiniMax
Noometry Index39.138.3
Released2026-02-202026-02-12
WeightsProprietaryOpen
Context window128K205K
Max output50K131K
Input $ / M tokens$0.25$0.30
Output $ / M tokens$0.75$1.20
Results tracked1733

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Category by category

Coding MiniMax-M2.5 leads

Mercury 2: 33.5 (#255), MiniMax-M2.5: 48.1 (#58)

BenchmarkMercury 2MiniMax-M2.5
LMArena WebDev11711387
LMArena Coding13911381
ALE-Bench785.58618.17
SWE-bench Verified (bash only)—75.8%
SWE-bench Multilingual—68.3%
SciCode38.7%—
WeirdML43.2%—

Agentic & Tool Use Not comparable

Mercury 2: —, MiniMax-M2.5: 30.4 (#77)

BenchmarkMercury 2MiniMax-M2.5
Terminal-Bench—42.7%
Vending-Bench 2—-23.16

Reasoning Mercury 2 leads

Mercury 2: 23.8 (#170), MiniMax-M2.5: 17.5 (#292)

BenchmarkMercury 2MiniMax-M2.5
LMArena Hard Prompts13621372
ARC-AGI-2—4.9%
Kagi LLM Benchmark—55.2%
NYT Connections (extended)—16.8%
ARC-AGI-1—63.7%
CritPt0.8%—
Epoch Capabilities Index—146.68

Math Not comparable

Mercury 2: —, MiniMax-M2.5: 26.9 (#253)

BenchmarkMercury 2MiniMax-M2.5
ProofBench—4%
LMArena Math—1378

Knowledge MiniMax-M2.5 leads

Mercury 2: 36.2 (#172), MiniMax-M2.5: 39.2 (#135)

BenchmarkMercury 2MiniMax-M2.5
Vectara Hallucination Rate12.3%9.1%
LMArena Expert13581379

Multilingual Too close to call

Mercury 2: 46.6 (#157), MiniMax-M2.5: 47.1 (#152)

BenchmarkMercury 2MiniMax-M2.5
LMArena Non-English13311338
LMArena Chinese14171393
LMArena Russian13041358
LMArena French—1362
LMArena German—1362
LMArena Japanese—1171
LMArena Korean—1232
LMArena Spanish—1354

Instruction Following MiniMax-M2.5 leads

Mercury 2: 70.2 (#165), MiniMax-M2.5: 71.5 (#148)

BenchmarkMercury 2MiniMax-M2.5
LMArena Instruction Following13291353

Long Context Mercury 2 leads

Mercury 2: 40.5 (#154), MiniMax-M2.5: 37.5 (#216)

BenchmarkMercury 2MiniMax-M2.5
LMArena Longer Query13301366
CL-bench—11.4%
CL-bench Life—6.3%

Writing & Preference Too close to call

Mercury 2: 53.8 (#155), MiniMax-M2.5: 53.9 (#153)

BenchmarkMercury 2MiniMax-M2.5
LMArena Text13551359
LMArena Creative Writing12891331
LMArena Multi-Turn13581364
EQ-Bench Creative Writing—1361

Frequently asked questions

Is Mercury 2 better than MiniMax-M2.5?

Mercury 2 and MiniMax-M2.5 score almost the same on the Noometry Index (39.1 vs 38.3), so choose on price, context window or the category you care about most.

Which is cheaper, Mercury 2 or MiniMax-M2.5?

Mercury 2 is cheaper. It lists at $0.25 per million input tokens and $0.75 per million output tokens; MiniMax-M2.5 lists at $0.30 and $1.20.

Is Mercury 2 or MiniMax-M2.5 better for coding?

MiniMax-M2.5 scores higher on coding benchmarks: 48.1 versus 33.5 in the Noometry coding category.

Which has the bigger context window?

MiniMax-M2.5 does, with 205K tokens against 128K.

How many benchmarks do Mercury 2 and MiniMax-M2.5 share?

14 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and MiniMax-M2.5 has 33.

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