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DeepSeek V4.1 Flash vs MiniMax M3

DeepSeek V4.1 Flash leads MiniMax M3 on coding, 62.5 to 39.2 on the Vibe Coding Index, and DeepSeek V4.1 Flash costs 1.4x less per output token ($0.84 vs $1.20 per million). Updated October 22, 2026; 88 benchmarks have a result for both.

DeepSeek V4.1 FlashDeepSeek
Coding
62.5
Overall
62.4
Output $/M
$0.84
81
MiniMax M3MiniMax
Coding
39.2
Overall
51.7
Output $/M
$1.20
7
vs boards won of 88 shared

DeepSeek V4.1 Flash or MiniMax M3: which to pick

Pick DeepSeek V4.1 Flash for coding: it scores 62.5 on the Vibe Coding Index against 39.2 for MiniMax M3, though on 5 benchmarks against 6.

Pick MiniMax M3 for work measured by AA Intelligence Index or GPQA Diamond (Epoch AI run), where it leads.

Shared results
88
DeepSeek V4.1 Flash only
13
MiniMax M3 only
28
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
DeepSeek V4.1 Flash 62.5 from 5 benchmarks, MiniMax M3 39.2 from 6 benchmarks.
Widest category
Agentic work, 19.6 points apart on average over 8 shared benchmarks.
Widest single gap
LiveBench browser: DeepSeek V4.1 Flash 84.0% against MiniMax M3 8.0%, 76.0 points apart on a 0 to 100 scale.
Output price
DeepSeek V4.1 Flash $0.84 against MiniMax M3 $1.20 per million output tokens, 1.4x apart.
Context window
Both take 1.05M tokens.

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
CategoryDeepSeek V4.1 FlashBarsMiniMax M3Ties
Coding180
Intelligence11
Agentic work80
Reasoning91
Math40
Knowledge42
Web design90
General283
All shared boards817
CodingLike-for-likeSix of these boards feed the Vibe Coding Index180
Coding benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
LiveBench coding90.2%70.9%DeepSeek V4.1 Flash
LMArena WebDev16181482DeepSeek V4.1 Flash
AA Coding IndexNot measured58.6Only MiniMax M3 measured
LiveCodeBench (Vals AI)Not measured82.2%Only MiniMax M3 measured
SWE-bench Verified (Vals AI)Not measured75.0%Only MiniMax M3 measured
Terminal-Bench 4 (Vals AI)19.7%1.0%DeepSeek V4.1 Flash
Vibe Code Bench (Vals AI)84.7%47.6%DeepSeek V4.1 Flash
Code migration (Vals AI)45.6%19.9%DeepSeek V4.1 Flash
ProgramBench (Vals AI)0.5%Not measuredOnly DeepSeek V4.1 Flash measured
IOI (Vals AI)40.3%Not measuredOnly DeepSeek V4.1 Flash measured
Terminal-Bench 2.1 (Vals AI)74.5%53.6%DeepSeek V4.1 Flash
SWE-bench Multimodal (Vals AI)46.5%33.3%DeepSeek V4.1 Flash
Vibe Code Bench 1-100 (Vals AI)16.4%9.2%DeepSeek V4.1 Flash
SkillsBench (Vals AI)69.8%51.5%DeepSeek V4.1 Flash
CyberBench (Vals AI)73.7%65.0%DeepSeek V4.1 Flash
SciCode51.9%47.1%DeepSeek V4.1 Flash
Terminal-Bench Hard (Artificial Analysis run)Not measured42.4%Only MiniMax M3 measured
FrontierCode43.9%14.7%DeepSeek V4.1 Flash
ALE-Bench1092.3640.0DeepSeek V4.1 Flash
LMArena Text: coding15021470DeepSeek V4.1 Flash
LMArena Text: software and IT14961466DeepSeek V4.1 Flash
LMArena WebDev: React16281478DeepSeek V4.1 Flash
LMArena WebDev: HTML16121455DeepSeek V4.1 Flash
LMArena WebDev: from an image16061470DeepSeek V4.1 Flash
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
AA Intelligence Index24.729.2MiniMax M3
Epoch Capabilities Index155.9146.9DeepSeek V4.1 Flash
Agentic workLike-for-likePublic boards, shown as published, kept out of the index80
Agentic work benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
AA Agentic IndexNot measured29.5Only MiniMax M3 measured
Design Arena: agents building web appsNot measured1200Only MiniMax M3 measured
Design Arena: agents building full-stack appsNot measured1197Only MiniMax M3 measured
Design Arena: agents building mobile appsNot measured1169Only MiniMax M3 measured
Design Arena: agents building Android appsNot measured1159Only MiniMax M3 measured
Design Arena: agents building gamesNot measured1159Only MiniMax M3 measured
Design Arena: HTML slidesNot measured1130Only MiniMax M3 measured
Design Arena: PowerPoint slidesNot measured1181Only MiniMax M3 measured
Design Arena: spreadsheetsNot measured1039Only MiniMax M3 measured
LiveBench research86.8%68.0%DeepSeek V4.1 Flash
LiveBench browser84.0%8.0%DeepSeek V4.1 Flash
LiveBench long agentic40.1%12.4%DeepSeek V4.1 Flash
SREBench (Vals AI)0.8%Not measuredOnly DeepSeek V4.1 Flash measured
Finance Agent (Vals AI)53.5%48.3%DeepSeek V4.1 Flash
Tax Agent Bench (Vals AI)26.6%20.6%DeepSeek V4.1 Flash
Legal Research Bench (Vals AI)41.4%29.8%DeepSeek V4.1 Flash
Excel Modeling Benchmark (Vals AI)57.2%47.8%DeepSeek V4.1 Flash
BioMysteryBench (Vals AI)67.8%Not measuredOnly DeepSeek V4.1 Flash measured
Terminal-Bench-Science (Vals AI)0.0%Not measuredOnly DeepSeek V4.1 Flash measured
Vals Science Index29.6%Not measuredOnly DeepSeek V4.1 Flash measured
τ²-Bench TelecomNot measured88.9%Only MiniMax M3 measured
APEX-Agents39.5%37.7%DeepSeek V4.1 Flash
OSWorld 2.0Not measured4.6%Only MiniMax M3 measured
Vending-Bench 2Not measured$2,158Only MiniMax M3 measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index91
Reasoning benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
GPQA DiamondNot measured92.7%Only MiniMax M3 measured
LiveBench reasoning86.7%74.5%DeepSeek V4.1 Flash
MysteryMechanism (Vals AI)21.2%Not measuredOnly DeepSeek V4.1 Flash measured
MMMU Pro (Vals AI)Not measured81.2%Only MiniMax M3 measured
GPQA Diamond (Artificial Analysis run)Not measured92.9%Only MiniMax M3 measured
Humanity's Last Exam (Artificial Analysis run)39.2%39.0%DeepSeek V4.1 Flash
GPQA Diamond (Epoch AI run)89.8%90.9%MiniMax M3
ARC-AGI94.5%Not measuredOnly DeepSeek V4.1 Flash measured
ARC-AGI-272.9%Not measuredOnly DeepSeek V4.1 Flash measured
SimpleBenchNot measured45.8%Only MiniMax M3 measured
Chess puzzles48.0%13.0%DeepSeek V4.1 Flash
Mystery game puzzles43.0%8.0%DeepSeek V4.1 Flash
LMArena Text: hard prompts14831447DeepSeek V4.1 Flash
LMArena Text: expert15011461DeepSeek V4.1 Flash
LMArena Text: hard prompts in English14881455DeepSeek V4.1 Flash
LMArena Vision: diagrams12971266DeepSeek V4.1 Flash
LMArena Vision: homework13071268DeepSeek V4.1 Flash
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
OTIS Mock AIME98.3%71.1%DeepSeek V4.1 Flash
FrontierMath, tiers 1 to 367.4%Not measuredOnly DeepSeek V4.1 Flash measured
FrontierMath, tier 426.8%Not measuredOnly DeepSeek V4.1 Flash measured
ProofBench54.0%18.0%DeepSeek V4.1 Flash
LMArena Text: math14781429DeepSeek V4.1 Flash
LMArena Text: mathematical work14851448DeepSeek V4.1 Flash
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index42
Knowledge benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
MMLU ProNot measured84.2%Only MiniMax M3 measured
LegalBench (Vals AI)83.3%85.4%MiniMax M3
CorpFin (Vals AI)Not measured68.1%Only MiniMax M3 measured
TaxEval (Vals AI)Not measured72.7%Only MiniMax M3 measured
MortgageTax (Vals AI)Not measured68.4%Only MiniMax M3 measured
MedCode (Vals AI)41.2%46.3%MiniMax M3
SimpleQA Verified42.9%Not measuredOnly DeepSeek V4.1 Flash measured
LMArena Text: science14691452DeepSeek V4.1 Flash
LMArena Text: medicine and healthcare14841441DeepSeek V4.1 Flash
LMArena Text: legal and government14431437DeepSeek V4.1 Flash
LMArena Text: business and finance14611434DeepSeek V4.1 Flash
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index90
Web design benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
Design Arena: websites13081257DeepSeek V4.1 Flash
Design Arena: UI components13121243DeepSeek V4.1 Flash
Design Arena: game dev13301211DeepSeek V4.1 Flash
Design Arena: data viz12911236DeepSeek V4.1 Flash
Design Arena: 3D13551208DeepSeek V4.1 Flash
Design Arena: all code categories13191246DeepSeek V4.1 Flash
Design Arena: SVG12441160DeepSeek V4.1 Flash
Design Arena: ASCII art12651161DeepSeek V4.1 Flash
LiveBench design79.2%66.2%DeepSeek V4.1 Flash
GeneralLike-for-likePublic boards, shown as published, kept out of the index283
General benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
LiveBench data analysis79.3%76.2%DeepSeek V4.1 Flash
Public Benefits Bench (Vals AI)64.3%64.1%DeepSeek V4.1 Flash
SAGE (Vals AI)47.9%50.6%MiniMax M3
MedScribe (Vals AI)85.5%87.3%MiniMax M3
Vals Multimodal IndexNot measured60.0%Only MiniMax M3 measured
IFBenchNot measured82.9%Only MiniMax M3 measured
Long context reasoning (AA-LCR)84.0%83.0%DeepSeek V4.1 Flash
DTBench89.9%78.9%DeepSeek V4.1 Flash
LMCA47.0%33.7%DeepSeek V4.1 Flash
Surface Evolver Bench46.3%55.0%MiniMax M3
Furniture assembly34.2%Not measuredOnly DeepSeek V4.1 Flash measured
LMArena Text14641433DeepSeek V4.1 Flash
LMArena Text: instruction following14731433DeepSeek V4.1 Flash
LMArena Text: creative writing14371404DeepSeek V4.1 Flash
LMArena Vision12781251DeepSeek V4.1 Flash
LMArena Text: English14731443DeepSeek V4.1 Flash
LMArena Text: non-English14491420DeepSeek V4.1 Flash
LMArena Text: Chinese15011466DeepSeek V4.1 Flash
LMArena Text: German14701428DeepSeek V4.1 Flash
LMArena Text: Japanese14321380DeepSeek V4.1 Flash
LMArena Text: Korean14361373DeepSeek V4.1 Flash
LMArena Text: French14651444DeepSeek V4.1 Flash
LMArena Text: Spanish14591433DeepSeek V4.1 Flash
LMArena Text: Russian14671426DeepSeek V4.1 Flash
LMArena Text: Polish14571423DeepSeek V4.1 Flash
LMArena Text: multi-turn14611443DeepSeek V4.1 Flash
LMArena Text: longer queries14731446DeepSeek V4.1 Flash
LMArena Text: writing and language14501419DeepSeek V4.1 Flash
LMArena Text: entertainment and media14451403DeepSeek V4.1 Flash
LMArena Vision: English12881263DeepSeek V4.1 Flash
LMArena Vision: Chinese13271311DeepSeek V4.1 Flash
LMArena Vision: reading text12821259DeepSeek V4.1 Flash
LMArena Vision: humor12601235DeepSeek V4.1 Flash
LMArena Vision: recognizing thingsNot measured1197Only MiniMax M3 measured
LMArena Vision: creative writing12751234DeepSeek V4.1 Flash
LMArena DocumentNot measured1435Only MiniMax M3 measured
Neither model has a result on the other 10 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for DeepSeek V4.1 Flash and MiniMax M3
BenchmarkDeepSeek V4.1 FlashMiniMax M3Leader
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

DeepSeek V4.1 Flash$0.0006Fits in one request
MiniMax M3$0.0009Fits in one request

DeepSeek V4.1 Flash costs less

Repository review

50K input + 3K output tokens

DeepSeek V4.1 Flash$0.013Fits in one request
MiniMax M3$0.019Fits in one request

DeepSeek V4.1 Flash costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4.1 Flash$0.050Fits in one request
MiniMax M3$0.072Fits in one request

DeepSeek V4.1 Flash 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 DeepSeek V4.1 Flash and MiniMax M3
SpecificationDeepSeek V4.1 FlashMiniMax M3
MakerDeepSeekMiniMax
WeightsOpen weightsOpen weights
ReleasedSeptember 10, 2026May 31, 2026
Context window1.05M1.05M
Input $/Mtok$0.21$0.30
Output $/Mtok$0.84$1.20
Coding index62.539.2
Independent measurements behind it56
Cost per solved taskNot computable$0.56
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4.1 Flash better than MiniMax M3 for coding?

Pick DeepSeek V4.1 Flash for coding: it scores 62.5 on the Vibe Coding Index against 39.2 for MiniMax M3, though on 5 benchmarks against 6. Pick MiniMax M3 for work measured by AA Intelligence Index or GPQA Diamond (Epoch AI run), where it leads.

Which is cheaper, DeepSeek V4.1 Flash or MiniMax M3?

DeepSeek V4.1 Flash costs $0.21 per million input tokens and $0.84 per million output tokens; MiniMax M3 costs $0.30 and $1.20. Cost per solved task is known for MiniMax M3 only.

Which has the bigger context window, DeepSeek V4.1 Flash or MiniMax M3?

Neither: both take 1.05M tokens.

How many benchmarks is the DeepSeek V4.1 Flash vs MiniMax M3 comparison based on?

88 benchmarks have a result for both models as of October 22, 2026. DeepSeek V4.1 Flash's coding index rests on 5 independent benchmarks and MiniMax M3's on 6. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/deepseek-v4-1-flash-vs-minimax-minimax-m3">LLMBenchmark.ai, DeepSeek V4.1 Flash vs MiniMax M3</a></p>