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Gemini 3.5 Flash Lite vs Mistral Medium 3.1

Gemini 3.5 Flash Lite leads Mistral Medium 3.1 on the Artificial Analysis Intelligence Index, 22.2 to 9.2, and Mistral Medium 3.1 costs 1.3x less per output token ($2.00 vs $2.50 per million). Updated October 22, 2026; 53 benchmarks have a result for both.

Replace Gemini 3.5 Flash Lite Replace Mistral Medium 3.1
Gemini 3.5 Flash LiteGoogle
Coding
49.0
Overall
49.8
Output $/M
$2.50
50
Mistral Medium 3.1Mistral AI
Coding
No data
Overall
No data
Output $/M
$2.00
3
vs boards won of 53 shared

Gemini 3.5 Flash Lite or Mistral Medium 3.1: which to pick

Only Gemini 3.5 Flash Lite has a coding score, 49.0 on the Vibe Coding Index; Mistral Medium 3.1 has none, so the two cannot be ranked on coding.

Pick Mistral Medium 3.1 for output tokens 1.3x cheaper ($2.00 vs $2.50 per million) and work measured by LMArena Text: medicine and healthcare or LMArena Text: legal and government, where it leads.

Model AGemini 3.5 Flash LiteGoogle49.0/1003 independent benchmarks$0.41 per solved taskModel BMistral Medium 3.1Mistral AINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
53
Gemini 3.5 Flash Lite only
32
Mistral Medium 3.1 only
21
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
Gemini 3.5 Flash Lite 49.0 from 3 benchmarks, Mistral Medium 3.1 not benchmarked.
Widest category
Coding, 16.0 points apart on average over 6 shared benchmarks.
Widest single gap
LiveCodeBench (Vals AI): Gemini 3.5 Flash Lite 79.0% against Mistral Medium 3.1 44.8%, 34.2 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash Lite $2.50 against Mistral Medium 3.1 $2.00 per million output tokens, 1.3x apart.
Context window
Gemini 3.5 Flash Lite takes 1.05M 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
CategoryGemini 3.5 Flash LiteBarsMistral Medium 3.1Ties
Coding60
Intelligence10
Agentic work10
Reasoning80
Math20
Knowledge72
General251
All shared boards503
CodingLike-for-likeSix of these boards feed the Vibe Coding Index60
Coding benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
LMArena WebDev1435Not measuredOnly Gemini 3.5 Flash Lite measured
AA Coding Index49.320.5Gemini 3.5 Flash Lite
LiveCodeBench (Vals AI)79.0%44.8%Gemini 3.5 Flash Lite
SWE-bench Verified (Vals AI)75.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Vibe Code Bench (Vals AI)37.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Code migration (Vals AI)6.2%Not measuredOnly Gemini 3.5 Flash Lite measured
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Terminal-Bench 2.1 (Vals AI)50.2%Not measuredOnly Gemini 3.5 Flash Lite measured
CyberBench (Vals AI)59.1%Not measuredOnly Gemini 3.5 Flash Lite measured
LiveCodeBench (Artificial Analysis run)Not measured40.6%Only Mistral Medium 3.1 measured
SciCode41.3%32.4%Gemini 3.5 Flash Lite
Terminal-Bench Hard (Artificial Analysis run)Not measured10.6%Only Mistral Medium 3.1 measured
WeirdML39.0%Not measuredOnly Gemini 3.5 Flash Lite measured
ALE-Bench765.3210.2Gemini 3.5 Flash Lite
LMArena Text: coding14531433Gemini 3.5 Flash Lite
LMArena Text: software and IT14511436Gemini 3.5 Flash Lite
LMArena WebDev: React1408Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena WebDev: from an image1448Not measuredOnly Gemini 3.5 Flash Lite measured
SciCode6.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 24 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
AA Intelligence Index22.29.2Gemini 3.5 Flash Lite
Epoch Capabilities Index144.9Not measuredOnly Gemini 3.5 Flash Lite measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
AA Agentic Index14.31.9Gemini 3.5 Flash Lite
Finance Agent (Vals AI)47.4%Not measuredOnly Gemini 3.5 Flash Lite measured
Tax Agent Bench (Vals AI)7.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Legal Research Bench (Vals AI)13.9%Not measuredOnly Gemini 3.5 Flash Lite measured
Excel Modeling Benchmark (Vals AI)43.2%Not measuredOnly Gemini 3.5 Flash Lite measured
τ²-Bench TelecomNot measured40.6%Only Mistral Medium 3.1 measured
APEX-Agents29.3%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index80
Reasoning benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
GPQA Diamond83.8%Not measuredOnly Gemini 3.5 Flash Lite measured
MMMU Pro (Vals AI)83.6%63.0%Gemini 3.5 Flash Lite
GPQA Diamond (Artificial Analysis run)83.8%58.8%Gemini 3.5 Flash Lite
Humanity's Last Exam (Artificial Analysis run)18.8%4.7%Gemini 3.5 Flash Lite
GPQA Diamond (Epoch AI run)83.3%Not measuredOnly Gemini 3.5 Flash Lite measured
ARC-AGI53.5%Not measuredOnly Gemini 3.5 Flash Lite measured
ARC-AGI-210.3%Not measuredOnly Gemini 3.5 Flash Lite measured
Chess puzzles21.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Mystery game puzzles19.0%Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena Text: hard prompts14411426Gemini 3.5 Flash Lite
LMArena Text: expert14341408Gemini 3.5 Flash Lite
LMArena Text: hard prompts in English14401435Gemini 3.5 Flash Lite
LMArena Vision: diagrams12841175Gemini 3.5 Flash Lite
LMArena Vision: homework12911165Gemini 3.5 Flash Lite
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral 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 AIME71.1%Not measuredOnly Gemini 3.5 Flash Lite measured
FrontierMath, tiers 1 to 326.0%Not measuredOnly Gemini 3.5 Flash Lite measured
FrontierMath, tier 40.0%Not measuredOnly Gemini 3.5 Flash Lite measured
ProofBench13.0%Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena Text: math14341408Gemini 3.5 Flash Lite
LMArena Text: mathematical work14331412Gemini 3.5 Flash Lite
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index72
Knowledge benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
MMLU Pro85.8%75.3%Gemini 3.5 Flash Lite
LegalBench (Vals AI)84.1%62.0%Gemini 3.5 Flash Lite
CorpFin (Vals AI)60.7%50.7%Gemini 3.5 Flash Lite
TaxEval (Vals AI)72.6%70.3%Gemini 3.5 Flash Lite
MortgageTax (Vals AI)68.7%36.5%Gemini 3.5 Flash Lite
MedQA (Vals AI)Not measured78.2%Only Mistral Medium 3.1 measured
MedCode (Vals AI)43.5%Not measuredOnly Gemini 3.5 Flash Lite measured
MMLU Pro (Artificial Analysis run)Not measured68.3%Only Mistral Medium 3.1 measured
LMArena Text: science14511444Gemini 3.5 Flash Lite
LMArena Text: medicine and healthcare14381449Mistral Medium 3.1
LMArena Text: legal and government14311439Mistral Medium 3.1
LMArena Text: business and finance14231418Gemini 3.5 Flash Lite
FACTS Benchmark Suite53.5%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 7 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral 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 index251
General benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.1Leader
Public Benefits Bench (Vals AI)51.8%Not measuredOnly Gemini 3.5 Flash Lite measured
SAGE (Vals AI)47.3%Not measuredOnly Gemini 3.5 Flash Lite measured
MedScribe (Vals AI)70.9%Not measuredOnly Gemini 3.5 Flash Lite measured
IFBenchNot measured39.8%Only Mistral Medium 3.1 measured
Long context reasoning (AA-LCR)76.0%42.7%Gemini 3.5 Flash Lite
DTBench83.5%67.5%Gemini 3.5 Flash Lite
LMCA37.6%19.1%Gemini 3.5 Flash Lite
LMArena Text14351424Gemini 3.5 Flash Lite
LMArena Text: instruction following14191398Gemini 3.5 Flash Lite
LMArena Text: creative writing14211391Gemini 3.5 Flash Lite
LMArena Vision12691172Gemini 3.5 Flash Lite
LMArena Text: English14381438Gemini 3.5 Flash Lite
LMArena Text: non-English14271408Gemini 3.5 Flash Lite
LMArena Text: Chinese14681447Gemini 3.5 Flash Lite
LMArena Text: German14541432Gemini 3.5 Flash Lite
LMArena Text: Japanese14261379Gemini 3.5 Flash Lite
LMArena Text: Korean14071380Gemini 3.5 Flash Lite
LMArena Text: French14511460Mistral Medium 3.1
LMArena Text: Spanish14411433Gemini 3.5 Flash Lite
LMArena Text: Russian14431411Gemini 3.5 Flash Lite
LMArena Text: Polish14371430Gemini 3.5 Flash Lite
LMArena Text: multi-turn14451418Gemini 3.5 Flash Lite
LMArena Text: longer queries14351406Gemini 3.5 Flash Lite
LMArena Text: writing and language14281395Gemini 3.5 Flash Lite
LMArena Text: entertainment and media14141390Gemini 3.5 Flash Lite
LMArena Vision: English12691179Gemini 3.5 Flash Lite
LMArena Vision: Chinese13111190Gemini 3.5 Flash Lite
LMArena Vision: reading text12801175Gemini 3.5 Flash Lite
LMArena Vision: humor12871168Gemini 3.5 Flash Lite
LMArena Vision: captioningNot measured1145Only Mistral Medium 3.1 measured
LMArena Vision: recognizing thingsNot measured1147Only Mistral Medium 3.1 measured
LMArena Vision: creative writing12601200Gemini 3.5 Flash Lite
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 Gemini 3.5 Flash Lite and Mistral Medium 3.1
BenchmarkGemini 3.5 Flash LiteMistral 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

Gemini 3.5 Flash Lite$0.0015Fits in one request
Mistral Medium 3.1$0.0014Fits in one request

Mistral Medium 3.1 costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash Lite$0.022Fits in one request
Mistral Medium 3.1$0.026Fits in one request

Gemini 3.5 Flash Lite costs less

Agent loop

200K input + 10K output tokens

Gemini 3.5 Flash Lite$0.085Fits in one request
Mistral Medium 3.1$0.100Exceeds the context window

Gemini 3.5 Flash Lite 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 Gemini 3.5 Flash Lite and Mistral Medium 3.1
SpecificationGoogle Gemini 3.5 Flash LiteMistral Medium 3.1
MakerGoogleMistral AI
WeightsNo public weights listedNo public weights listed
ReleasedJuly 21, 2026August 13, 2025
Context window1.05M131K
Input $/Mtok$0.30$0.40
Output $/Mtok$2.50$2.00
Coding index49.0Not benchmarked
Independent measurements behind it30
Cost per solved task$0.41Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.5 Flash Lite better than Mistral Medium 3.1 for coding?

Only Gemini 3.5 Flash Lite has a coding score, 49.0 on the Vibe Coding Index; Mistral Medium 3.1 has none, so the two cannot be ranked on coding. Pick Mistral Medium 3.1 for output tokens 1.3x cheaper ($2.00 vs $2.50 per million) and work measured by LMArena Text: medicine and healthcare or LMArena Text: legal and government, where it leads.

Which is cheaper, Gemini 3.5 Flash Lite or Mistral Medium 3.1?

Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens; Mistral Medium 3.1 costs $0.40 and $2.00. Cost per solved task is known for Gemini 3.5 Flash Lite only.

Which has the bigger context window, Gemini 3.5 Flash Lite or Mistral Medium 3.1?

Gemini 3.5 Flash Lite, with 1.05M tokens against 131K.

How many benchmarks is the Gemini 3.5 Flash Lite vs Mistral Medium 3.1 comparison based on?

53 benchmarks have a result for both models as of October 22, 2026. Gemini 3.5 Flash Lite's coding index rests on 3 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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