Model comparison

DeepSeek V4 Flash vs MiniMax-M2.1

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 38.9 on the Noometry Index.

Last verified . 20 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

MiniMax-M2.1 MiniMax

38.9

Rank #178 Confirmed

Summary

  • They share 20 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 8 categories and MiniMax-M2.1 in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 16.6.
  • The biggest single-benchmark swing is NYT Connections (extended): 89.6% for DeepSeek V4 Flash and 11.2% for MiniMax-M2.1.
  • DeepSeek V4 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.1.
  • DeepSeek V4 Flash accepts more context: 1M tokens versus 205K.

Side by side

DeepSeek V4 Flash and MiniMax-M2.1 specifications
DeepSeek V4 FlashMiniMax-M2.1
ProviderDeepSeekMiniMax
Noometry Index53.638.9
Released2026-04-242025-12-23
WeightsOpenOpen
Context window1M205K
Max output393K131K
Input $ / M tokens$0.15$0.30
Output $ / M tokens$0.60$1.20
Results tracked4122

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), MiniMax-M2.1: 40.4 (#143)

Coding benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena WebDev15821384
LMArena Coding14571421
ALE-Bench1,306623.83
FrontierCode18.8%—
SciCode49.9%—
WeirdML63%—

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, MiniMax-M2.1: 27.9 (#98)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
Terminal-Bench—36.6%

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), MiniMax-M2.1: 16.6 (#302)

Reasoning benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
NYT Connections (extended)89.6%11.2%
LMArena Hard Prompts14441411
ARC-AGI-261.4%—
SimpleBench61.1%—
Kagi LLM Benchmark52.2%—
ARC-AGI-189%—
CritPt16.6%—
Chess Puzzles33%—
Mystery Game Puzzles34%—
DTBench90.9%—
LMCA41.7%—
Epoch Capabilities Index154.49—

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), MiniMax-M2.1: 38.3 (#138)

Math benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Math14271397
FrontierMath (Tiers 1-3)57.5%—
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
OTIS Mock AIME 2024-202594.4%—
ProofBench56%—

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), MiniMax-M2.1: 38.3 (#147)

Knowledge benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Expert14411431
GPQA Diamond91%—
SimpleQA Verified33.6%—
Vectara Hallucination Rate—11.8%

Multilingual DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.0 (#72), MiniMax-M2.1: 50.0 (#128)

Multilingual benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Non-English14201378
LMArena Chinese14681430
LMArena French14391404
LMArena German14181381
LMArena Japanese14061287
LMArena Korean13841298
LMArena Russian14281387
LMArena Spanish14361397

Instruction Following DeepSeek V4 Flash leads

DeepSeek V4 Flash: 74.9 (#81), MiniMax-M2.1: 73.8 (#112)

Instruction Following benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Instruction Following14211400

Long Context Too close to call

DeepSeek V4 Flash: 43.8 (#85), MiniMax-M2.1: 43.2 (#101)

Long Context benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Longer Query14341416

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), MiniMax-M2.1: 58.3 (#120)

Writing & Preference benchmarks
BenchmarkDeepSeek V4 FlashMiniMax-M2.1
LMArena Text14321392
LMArena Creative Writing14031361
LMArena Multi-Turn14491396
EQ-Bench Creative Writing1559—

Frequently asked questions

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

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 38.9 on the Noometry Index.

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

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

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

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 40.4 in the Noometry coding category.

Which has the bigger context window?

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

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

20 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and MiniMax-M2.1 has 22.

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