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GPT-4.1 Mini vs Mistral Small 3

GPT-4.1 Mini leads Mistral Small 3 on the Artificial Analysis Intelligence Index, 10.2 to 6.7, and Mistral Small 3 costs 20.0x less per output token ($0.08 vs $1.60 per million). Updated October 22, 2026; 36 benchmarks have a result for both.

Replace GPT-4.1 Mini Replace Mistral Small 3
GPT-4.1 MiniOpenAI
Coding
No data
Overall
31.9
Output $/M
$1.60
36
Mistral Small 3Mistral AI
Coding
No data
Overall
No data
Output $/M
$0.08
0
vs boards won of 36 shared

GPT-4.1 Mini or Mistral Small 3: which to pick

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

Pick GPT-4.1 Mini for a larger context window (1.05M against 33K tokens).

Model AGPT-4.1 MiniOpenAINot benchmarkedNo coding benchmark$1.818 per solved taskModel BMistral Small 3Mistral AINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
36
GPT-4.1 Mini only
50
Mistral Small 3 only
0
Like-for-like categories
7 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-4.1 Mini not benchmarked, Mistral Small 3 not benchmarked.
Widest category
Agentic work, 33.3 points apart on average over 1 shared benchmark.
Widest single gap
Long context reasoning (AA-LCR): GPT-4.1 Mini 44.0% against Mistral Small 3 0.0%, 44.0 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against Mistral Small 3 $0.08 per million output tokens, 20.0x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, Mistral Small 3 33K.

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-4.1 MiniBarsMistral Small 3Ties
Coding30
Intelligence10
Agentic work10
Reasoning50
Math40
Knowledge50
General170
All shared boards360
CodingLike-for-likeSix of these boards feed the Vibe Coding Index30
Coding benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
Aider polyglot32.4%Not measuredOnly GPT-4.1 Mini measured
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
AA Coding Index20.2Not measuredOnly GPT-4.1 Mini measured
LiveCodeBench (Vals AI)58.2%Not measuredOnly GPT-4.1 Mini measured
LiveCodeBench (Artificial Analysis run)48.3%25.2%GPT-4.1 Mini
Terminal-Bench Hard (Artificial Analysis run)7.6%Not measuredOnly GPT-4.1 Mini measured
WeirdML37.6%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: coding13671246GPT-4.1 Mini
LMArena Text: software and IT13601248GPT-4.1 Mini
Neither model has a result on the other 30 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
AA Intelligence Index10.26.7GPT-4.1 Mini
Epoch Capabilities Index134.9Not measuredOnly GPT-4.1 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
τ²-Bench Telecom52.9%19.6%GPT-4.1 Mini
Berkeley Function Calling Leaderboard (BFCL)50.4%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
Reasoning benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
GPQA Diamond67.9%Not measuredOnly GPT-4.1 Mini measured
MMMU Pro (Vals AI)70.5%Not measuredOnly GPT-4.1 Mini measured
GPQA Diamond (Artificial Analysis run)66.4%46.2%GPT-4.1 Mini
Humanity's Last Exam (Artificial Analysis run)5.0%3.8%GPT-4.1 Mini
GPQA Diamond (Epoch AI run)65.8%Not measuredOnly GPT-4.1 Mini measured
ARC-AGI3.5%Not measuredOnly GPT-4.1 Mini measured
ARC-AGI-20.0%Not measuredOnly GPT-4.1 Mini measured
Chess puzzles1.0%Not measuredOnly GPT-4.1 Mini measured
Mystery game puzzles7.0%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: hard prompts13491233GPT-4.1 Mini
LMArena Text: expert13381202GPT-4.1 Mini
LMArena Text: hard prompts in English13621243GPT-4.1 Mini
LMArena Vision: diagrams1182Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: homework1214Not measuredOnly GPT-4.1 Mini measured
Kagi LLM Benchmark48.6%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
AIME49.4%Not measuredOnly GPT-4.1 Mini measured
MATH 500 (Vals AI)88.0%Not measuredOnly GPT-4.1 Mini measured
MGSM (Vals AI)87.8%Not measuredOnly GPT-4.1 Mini measured
AA Math Index46.34.3GPT-4.1 Mini
AIME 2025 (Artificial Analysis run)46.3%4.3%GPT-4.1 Mini
OTIS Mock AIME44.7%Not measuredOnly GPT-4.1 Mini measured
FrontierMath, tiers 1 to 36.7%Not measuredOnly GPT-4.1 Mini measured
MATH level 587.3%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: math13431240GPT-4.1 Mini
LMArena Text: mathematical work13471243GPT-4.1 Mini
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
MMLU Pro77.2%Not measuredOnly GPT-4.1 Mini measured
LegalBench (Vals AI)78.0%Not measuredOnly GPT-4.1 Mini measured
CorpFin (Vals AI)57.9%Not measuredOnly GPT-4.1 Mini measured
TaxEval (Vals AI)71.9%Not measuredOnly GPT-4.1 Mini measured
MortgageTax (Vals AI)65.5%Not measuredOnly GPT-4.1 Mini measured
MedQA (Vals AI)84.6%Not measuredOnly GPT-4.1 Mini measured
MMLU Pro (Artificial Analysis run)78.1%65.2%GPT-4.1 Mini
SimpleQA Verified12.7%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: science13281235GPT-4.1 Mini
LMArena Text: medicine and healthcare13241215GPT-4.1 Mini
LMArena Text: legal and government13431219GPT-4.1 Mini
LMArena Text: business and finance13221205GPT-4.1 Mini
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
Design Arena: websites997Not measuredOnly GPT-4.1 Mini measured
Design Arena: UI components958Not measuredOnly GPT-4.1 Mini measured
Design Arena: game dev1070Not measuredOnly GPT-4.1 Mini measured
Design Arena: data viz1034Not measuredOnly GPT-4.1 Mini measured
Design Arena: 3D836Not measuredOnly GPT-4.1 Mini measured
Design Arena: all code categories993Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index170
General benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
IFBench38.3%26.4%GPT-4.1 Mini
Long context reasoning (AA-LCR)44.0%0.0%GPT-4.1 Mini
DTBench68.8%Not measuredOnly GPT-4.1 Mini measured
LMCA21.1%Not measuredOnly GPT-4.1 Mini measured
Fiction.LiveBench44.4%Not measuredOnly GPT-4.1 Mini measured
LMArena Text13411234GPT-4.1 Mini
LMArena Text: instruction following13331214GPT-4.1 Mini
LMArena Text: creative writing12991194GPT-4.1 Mini
LMArena Vision1181Not measuredOnly GPT-4.1 Mini measured
LMArena Text: English13561256GPT-4.1 Mini
LMArena Text: non-English13181198GPT-4.1 Mini
LMArena Text: Chinese13291204GPT-4.1 Mini
LMArena Text: German13501211GPT-4.1 Mini
LMArena Text: Japanese12901111GPT-4.1 Mini
LMArena Text: Korean12981188GPT-4.1 Mini
LMArena Text: French13581204GPT-4.1 Mini
LMArena Text: Spanish1319Not measuredOnly GPT-4.1 Mini measured
LMArena Text: Russian13241216GPT-4.1 Mini
LMArena Text: Polish1326Not measuredOnly GPT-4.1 Mini measured
LMArena Text: multi-turn13541217GPT-4.1 Mini
LMArena Text: longer queries13441246GPT-4.1 Mini
LMArena Text: writing and language13191214GPT-4.1 Mini
LMArena Text: entertainment and media13001184GPT-4.1 Mini
LMArena Vision: English1191Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: Chinese1186Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: reading text1188Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: humor1182Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: captioning1174Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: recognizing things1187Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: creative writing1182Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 16 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4.1 Mini and Mistral Small 3
BenchmarkGPT-4.1 MiniMistral Small 3Leader
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-4.1 Mini$0.0012Fits in one request
Mistral Small 3$0.0001Fits in one request

Mistral Small 3 costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Mini$0.025Fits in one request
Mistral Small 3$0.0027Exceeds the context window

Mistral Small 3 costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Mini$0.096Fits in one request
Mistral Small 3$0.011Exceeds the context window

Mistral Small 3 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-4.1 Mini and Mistral Small 3
SpecificationOpenAI GPT-4.1 MiniMistral Small 3
MakerOpenAIMistral AI
WeightsNo public weights listedOpen weights
ReleasedApril 14, 2025January 30, 2025
Context window1.05M33K
Input $/Mtok$0.40$0.05
Output $/Mtok$1.60$0.08
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved task$1.818Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than Mistral Small 3 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4.1 Mini for a larger context window (1.05M against 33K tokens).

Which is cheaper, GPT-4.1 Mini or Mistral Small 3?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; Mistral Small 3 costs $0.05 and $0.08. Cost per solved task is known for GPT-4.1 Mini only.

Which has the bigger context window, GPT-4.1 Mini or Mistral Small 3?

GPT-4.1 Mini, with 1.05M tokens against 33K.

How many benchmarks is the GPT-4.1 Mini vs Mistral Small 3 comparison based on?

36 benchmarks have a result for both models as of October 22, 2026. GPT-4.1 Mini's coding index rests on 0 independent benchmarks and Mistral Small 3's on 0. Where only one model has a result, the page says so instead of naming a winner.

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