Noometry

Model comparison

DeepSeek V4.1 Flash vs MiniMax-M2.5

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 38.1 on the Noometry Index.

Last verified . 20 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

50.3

Rank #40 Confirmed

MiniMax-M2.5 MiniMax

38.1

Rank #181 Confirmed

Summary

  • They share 20 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and MiniMax-M2.5 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 17.6.
  • The biggest single-benchmark swing is NYT Connections (extended): 89.6% for DeepSeek V4.1 Flash and 16.8% for MiniMax-M2.5.
  • DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.5.
  • DeepSeek V4.1 Flash accepts more context: 1M tokens versus 205K.

Side by side

DeepSeek V4.1 FlashMiniMax-M2.5
ProviderDeepSeekMiniMax
Noometry Index50.338.1
Released2026-09-092026-02-12
WeightsOpenOpen
Context window1M205K
Max output393K131K
Input $ / M tokens$0.15$0.30
Output $ / M tokens$0.60$1.20
Results tracked2533

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), MiniMax-M2.5: 47.9 (#53)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena WebDev16201386
LMArena Coding15111380
ALE-Bench1,092618.17
SWE-bench Verified (bash only)—75.8%
SWE-bench Multilingual—68.3%
SciCode51.9%—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: —, MiniMax-M2.5: 30.2 (#70)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
Terminal-Bench—42.7%
Vending-Bench 2—-23.16

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), MiniMax-M2.5: 17.6 (#281)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
NYT Connections (extended)89.6%16.8%
LMArena Hard Prompts14851372
Epoch Capabilities Index155.01146.68
ARC-AGI-2—4.9%
Kagi LLM Benchmark—55.2%
ARC-AGI-1—63.7%
CritPt14.3%—
DTBench89.9%—
LMCA47%—
Surface Evolver Bench46.3%—

Math DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 48.4 (#52), MiniMax-M2.5: 25.8 (#242)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
ProofBench54%4%
LMArena Math14931378

Knowledge DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 41.6 (#97), MiniMax-M2.5: 38.6 (#132)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena Expert15051378
Vectara Hallucination Rate—9.1%

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.5 (#29), MiniMax-M2.5: 47.3 (#147)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena Non-English14521338
LMArena Chinese15061392
LMArena French14481363
LMArena Russian14731359
LMArena Spanish14991354
LMArena German—1361
LMArena Japanese—1169
LMArena Korean—1232

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.6 (#24), MiniMax-M2.5: 71.7 (#143)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena Instruction Following14751353

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#46), MiniMax-M2.5: 37.4 (#211)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena Longer Query14761367
CL-bench—11.4%
CL-bench Life—6.3%

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.8 (#43), MiniMax-M2.5: 54.1 (#149)

BenchmarkDeepSeek V4.1 FlashMiniMax-M2.5
LMArena Text14651359
LMArena Creative Writing14361331
EQ-Bench Creative Writing15401361
LMArena Multi-Turn14601364

Frequently asked questions

Is DeepSeek V4.1 Flash better than MiniMax-M2.5?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 38.1 on the Noometry Index.

Which is cheaper, DeepSeek V4.1 Flash or MiniMax-M2.5?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; MiniMax-M2.5 lists at $0.30 and $1.20.

Is DeepSeek V4.1 Flash or MiniMax-M2.5 better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 47.9 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 205K.

How many benchmarks do DeepSeek V4.1 Flash and MiniMax-M2.5 share?

20 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and MiniMax-M2.5 has 33.

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