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GPT-4o-mini (2024-07-18) vs Mistral Medium 3.1

GPT-4o-mini (2024-07-18) costs 3.3x less per output token than Mistral Medium 3.1 ($0.60 vs $2.00 per million). Updated October 22, 2026; 31 benchmarks have a result for both.

Replace GPT-4o-mini (2024-07-18) Replace Mistral Medium 3.1
GPT-4o-mini (2024-07-18)OpenAI
Coding
No data
Overall
No data
Output $/M
$0.60
0
Mistral Medium 3.1Mistral AI
Coding
No data
Overall
No data
Output $/M
$2.00
31
vs boards won of 31 shared

GPT-4o-mini (2024-07-18) or Mistral Medium 3.1: which to pick

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

Pick GPT-4o-mini (2024-07-18) for output tokens 3.3x cheaper ($0.60 vs $2.00 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AGPT-4o-mini (2024-07-18)OpenAINot benchmarkedNo coding benchmarkNo cost per solved taskModel BMistral Medium 3.1Mistral AINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
31
GPT-4o-mini (2024-07-18) only
15
Mistral Medium 3.1 only
43
Like-for-like categories
5 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-4o-mini (2024-07-18) not benchmarked, Mistral Medium 3.1 not benchmarked.
Widest category
Reasoning, 27.2 points apart on average over 3 shared benchmarks.
Widest single gap
LMArena Text: Polish: GPT-4o-mini (2024-07-18) 1244 against Mistral Medium 3.1 1430, 31.0 points apart on a 0 to 100 scale.
Output price
GPT-4o-mini (2024-07-18) $0.60 against Mistral Medium 3.1 $2.00 per million output tokens, 3.3x apart.
Context window
GPT-4o-mini (2024-07-18) takes 128K tokens, Mistral Medium 3.1 131K.

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-4o-mini (2024-07-18)BarsMistral Medium 3.1Ties
Coding02
Reasoning03
Math02
Knowledge04
General020
All shared boards031
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
Aider polyglot3.6%Not measuredOnly GPT-4o-mini (2024-07-18) measured
AA Coding IndexNot measured20.5Only Mistral Medium 3.1 measured
LiveCodeBench (Vals AI)Not measured44.8%Only Mistral Medium 3.1 measured
LiveCodeBench (Artificial Analysis run)Not measured40.6%Only Mistral Medium 3.1 measured
SciCodeNot measured32.4%Only Mistral Medium 3.1 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured10.6%Only Mistral Medium 3.1 measured
WeirdML11.8%Not measuredOnly GPT-4o-mini (2024-07-18) measured
ALE-BenchNot measured210.2Only Mistral Medium 3.1 measured
LMArena Text: coding12901433Mistral Medium 3.1
LMArena Text: software and IT12911436Mistral Medium 3.1
Neither model has a result on the other 33 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
Intelligence benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
AA Intelligence IndexNot measured9.2Only Mistral Medium 3.1 measured
Neither model has a result on the other 1 board here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index3 boards, none shared
Agentic work benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
AA Agentic IndexNot measured1.9Only Mistral Medium 3.1 measured
τ²-Bench TelecomNot measured40.6%Only Mistral Medium 3.1 measured
BALROG17.4%Not measuredOnly GPT-4o-mini (2024-07-18) measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
Reasoning benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
MMMU Pro (Vals AI)Not measured63.0%Only Mistral Medium 3.1 measured
GPQA Diamond (Artificial Analysis run)Not measured58.8%Only Mistral Medium 3.1 measured
Humanity's Last Exam (Artificial Analysis run)Not measured4.7%Only Mistral Medium 3.1 measured
GPQA Diamond (Epoch AI run)37.7%Not measuredOnly GPT-4o-mini (2024-07-18) measured
SimpleBench10.7%Not measuredOnly GPT-4o-mini (2024-07-18) measured
Chess puzzles3.0%Not measuredOnly GPT-4o-mini (2024-07-18) measured
Mystery game puzzles12.0%Not measuredOnly GPT-4o-mini (2024-07-18) measured
VPCT34.0%Not measuredOnly GPT-4o-mini (2024-07-18) measured
LMArena Text: hard prompts12671426Mistral Medium 3.1
LMArena Text: expert12341408Mistral Medium 3.1
LMArena Text: hard prompts in English12781435Mistral Medium 3.1
LMArena Vision: diagramsNot measured1175Only Mistral Medium 3.1 measured
LMArena Vision: homeworkNot measured1165Only Mistral Medium 3.1 measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
AIMENot measured42.3%Only Mistral Medium 3.1 measured
MATH 500 (Vals AI)Not measured87.0%Only Mistral Medium 3.1 measured
MGSM (Vals AI)Not measured90.9%Only Mistral Medium 3.1 measured
AA Math IndexNot measured38.3Only Mistral Medium 3.1 measured
AIME 2025 (Artificial Analysis run)Not measured38.3%Only Mistral Medium 3.1 measured
OTIS Mock AIME6.9%Not measuredOnly GPT-4o-mini (2024-07-18) measured
FrontierMath, tiers 1 to 30.7%Not measuredOnly GPT-4o-mini (2024-07-18) measured
MATH level 552.6%Not measuredOnly GPT-4o-mini (2024-07-18) measured
LMArena Text: math12671408Mistral Medium 3.1
LMArena Text: mathematical work12711412Mistral Medium 3.1
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
MMLU ProNot measured75.3%Only Mistral Medium 3.1 measured
LegalBench (Vals AI)Not measured62.0%Only Mistral Medium 3.1 measured
CorpFin (Vals AI)Not measured50.7%Only Mistral Medium 3.1 measured
TaxEval (Vals AI)Not measured70.3%Only Mistral Medium 3.1 measured
MortgageTax (Vals AI)Not measured36.5%Only Mistral Medium 3.1 measured
MedQA (Vals AI)Not measured78.2%Only Mistral Medium 3.1 measured
MMLU Pro (Artificial Analysis run)Not measured68.3%Only Mistral Medium 3.1 measured
SimpleQA Verified8.3%Not measuredOnly GPT-4o-mini (2024-07-18) measured
MMLU76.7%Not measuredOnly GPT-4o-mini (2024-07-18) measured
GeoBench64.0%Not measuredOnly GPT-4o-mini (2024-07-18) measured
LMArena Text: science12861444Mistral Medium 3.1
LMArena Text: medicine and healthcare12821449Mistral Medium 3.1
LMArena Text: legal and government13051439Mistral Medium 3.1
LMArena Text: business and finance12651418Mistral Medium 3.1
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
Design Arena: websitesNot measured1132Only Mistral Medium 3.1 measured
Design Arena: UI componentsNot measured1097Only Mistral Medium 3.1 measured
Design Arena: game devNot measured1073Only Mistral Medium 3.1 measured
Design Arena: data vizNot measured1144Only Mistral Medium 3.1 measured
Design Arena: 3DNot measured1081Only Mistral Medium 3.1 measured
Design Arena: all code categoriesNot measured1120Only Mistral Medium 3.1 measured
Design Arena: SVGNot measured992Only Mistral Medium 3.1 measured
Design Arena: ASCII artNot measured997Only Mistral Medium 3.1 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index020
General benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
IFBenchNot measured39.8%Only Mistral Medium 3.1 measured
Long context reasoning (AA-LCR)Not measured42.7%Only Mistral Medium 3.1 measured
DTBenchNot measured67.5%Only Mistral Medium 3.1 measured
LMCANot measured19.1%Only Mistral Medium 3.1 measured
Creative writing (Lech Mazur)67.2%Not measuredOnly GPT-4o-mini (2024-07-18) measured
LMArena Text12861424Mistral Medium 3.1
LMArena Text: instruction following12581398Mistral Medium 3.1
LMArena Text: creative writing12681391Mistral Medium 3.1
LMArena Vision10661172Mistral Medium 3.1
LMArena Text: English13011438Mistral Medium 3.1
LMArena Text: non-English12661408Mistral Medium 3.1
LMArena Text: Chinese12651447Mistral Medium 3.1
LMArena Text: German12721432Mistral Medium 3.1
LMArena Text: Japanese12161379Mistral Medium 3.1
LMArena Text: Korean11951380Mistral Medium 3.1
LMArena Text: French12971460Mistral Medium 3.1
LMArena Text: Spanish12761433Mistral Medium 3.1
LMArena Text: Russian12751411Mistral Medium 3.1
LMArena Text: Polish12441430Mistral Medium 3.1
LMArena Text: multi-turn12851418Mistral Medium 3.1
LMArena Text: longer queries12891406Mistral Medium 3.1
LMArena Text: writing and language12821395Mistral Medium 3.1
LMArena Text: entertainment and media12531390Mistral Medium 3.1
LMArena Vision: English10721179Mistral Medium 3.1
LMArena Vision: Chinese10331190Mistral Medium 3.1
LMArena Vision: reading textNot measured1175Only Mistral Medium 3.1 measured
LMArena Vision: humorNot measured1168Only Mistral Medium 3.1 measured
LMArena Vision: captioningNot measured1145Only Mistral Medium 3.1 measured
LMArena Vision: recognizing thingsNot measured1147Only Mistral Medium 3.1 measured
LMArena Vision: creative writingNot measured1200Only Mistral Medium 3.1 measured
Neither model has a result on the other 18 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4o-mini (2024-07-18) and Mistral Medium 3.1
BenchmarkGPT-4o-mini (2024-07-18)Mistral Medium 3.1Leader
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-4o-mini (2024-07-18)$0.0004Fits in one request
Mistral Medium 3.1$0.0014Fits in one request

GPT-4o-mini (2024-07-18) costs less

Repository review

50K input + 3K output tokens

GPT-4o-mini (2024-07-18)$0.0093Fits in one request
Mistral Medium 3.1$0.026Fits in one request

GPT-4o-mini (2024-07-18) costs less

Agent loop

200K input + 10K output tokens

GPT-4o-mini (2024-07-18)$0.036Exceeds the context window
Mistral Medium 3.1$0.100Exceeds the context window

GPT-4o-mini (2024-07-18) 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-4o-mini (2024-07-18) and Mistral Medium 3.1
SpecificationOpenAI GPT-4o-mini (2024-07-18)Mistral Medium 3.1
MakerOpenAIMistral AI
WeightsNo public weights listedNo public weights listed
ReleasedJuly 18, 2024August 13, 2025
Context window128K131K
Input $/Mtok$0.15$0.40
Output $/Mtok$0.60$2.00
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4o-mini (2024-07-18) better than Mistral Medium 3.1 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-4o-mini (2024-07-18) for output tokens 3.3x cheaper ($0.60 vs $2.00 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, GPT-4o-mini (2024-07-18) or Mistral Medium 3.1?

GPT-4o-mini (2024-07-18) costs $0.15 per million input tokens and $0.60 per million output tokens; Mistral Medium 3.1 costs $0.40 and $2.00. Cost per solved task is known for neither of them.

Which has the bigger context window, GPT-4o-mini (2024-07-18) or Mistral Medium 3.1?

Mistral Medium 3.1, with 131K tokens against 128K.

How many benchmarks is the GPT-4o-mini (2024-07-18) vs Mistral Medium 3.1 comparison based on?

31 benchmarks have a result for both models as of October 22, 2026. GPT-4o-mini (2024-07-18)'s coding index rests on 0 independent benchmarks and Mistral Medium 3.1's on 0. Where only one model has a result, the page says so instead of naming a winner.

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