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Gemini 3.5 Flash Lite vs Mistral Medium 3.5

Gemini 3.5 Flash Lite leads Mistral Medium 3.5 on coding, 49.0 to 25.5 on the Vibe Coding Index, and Gemini 3.5 Flash Lite costs 3.0x less per output token ($2.50 vs $7.50 per million). Updated October 21, 2026; 65 benchmarks have a result for both.

Replace Gemini 3.5 Flash Lite Replace Mistral Medium 3.5
Gemini 3.5 Flash LiteGoogle
Coding
49.0
Overall
49.8
Output $/M
$2.50
59
Mistral Medium 3.5Mistral AI
Coding
25.5
Overall
37.3
Output $/M
$7.50
6
vs boards won of 65 shared

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

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 25.5 for Mistral Medium 3.5.

Pick Mistral Medium 3.5 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AGemini 3.5 Flash LiteGoogle49.0/1003 independent benchmarks$0.41 per solved taskModel BMistral Medium 3.5Mistral AI25.5/1003 independent benchmarks$6.02 per solved task
Shared results
65
Gemini 3.5 Flash Lite only
20
Mistral Medium 3.5 only
16
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 3.5 25.5 from 3 benchmarks.
Widest category
Agentic work, 12.5 points apart on average over 5 shared benchmarks.
Widest single gap
GPQA Diamond: Gemini 3.5 Flash Lite 83.8% against Mistral Medium 3.5 34.9%, 49.0 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash Lite $2.50 against Mistral Medium 3.5 $7.50 per million output tokens, 3.0x apart.
Context window
Gemini 3.5 Flash Lite takes 1.05M tokens, Mistral Medium 3.5 262K.

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 3.5Ties
Coding92
Intelligence20
Agentic work50
Reasoning71
Math21
Knowledge72
General270
All shared boards596
CodingLike-for-likeSix of these boards feed the Vibe Coding Index92
Coding benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
LMArena WebDev14351264Gemini 3.5 Flash Lite
AA Coding Index49.346.9Gemini 3.5 Flash Lite
LiveCodeBench (Vals AI)79.0%Not measuredOnly Gemini 3.5 Flash Lite measured
SWE-bench Verified (Vals AI)75.0%66.4%Gemini 3.5 Flash Lite
Vibe Code Bench (Vals AI)37.2%2.9%Gemini 3.5 Flash Lite
Code migration (Vals AI)6.2%5.1%Gemini 3.5 Flash Lite
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Terminal-Bench 2.1 (Vals AI)50.2%39.0%Gemini 3.5 Flash Lite
CyberBench (Vals AI)59.1%Not measuredOnly Gemini 3.5 Flash Lite measured
SciCode41.3%40.2%Gemini 3.5 Flash Lite
Terminal-Bench Hard (Artificial Analysis run)Not measured33.3%Only Mistral Medium 3.5 measured
WeirdML39.0%Not measuredOnly Gemini 3.5 Flash Lite measured
ALE-Bench765.3764.0Gemini 3.5 Flash Lite
LMArena Text: coding14531460Mistral Medium 3.5
LMArena Text: software and IT14511458Mistral Medium 3.5
LMArena WebDev: React14081254Gemini 3.5 Flash Lite
LMArena WebDev: HTMLNot measured1308Only Mistral Medium 3.5 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 20 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
AA Intelligence Index22.214.2Gemini 3.5 Flash Lite
Epoch Capabilities Index144.9141.4Gemini 3.5 Flash Lite
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
Agentic work benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
AA Agentic Index14.37.0Gemini 3.5 Flash Lite
Finance Agent (Vals AI)47.4%32.1%Gemini 3.5 Flash Lite
Tax Agent Bench (Vals AI)7.2%4.5%Gemini 3.5 Flash Lite
Legal Research Bench (Vals AI)13.9%9.1%Gemini 3.5 Flash Lite
Excel Modeling Benchmark (Vals AI)43.2%11.2%Gemini 3.5 Flash Lite
τ²-Bench TelecomNot measured94.2%Only Mistral Medium 3.5 measured
APEX-Agents29.3%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index71
Reasoning benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
GPQA Diamond83.8%34.9%Gemini 3.5 Flash Lite
MMMU Pro (Vals AI)83.6%Not measuredOnly Gemini 3.5 Flash Lite measured
GPQA Diamond (Artificial Analysis run)83.8%74.8%Gemini 3.5 Flash Lite
Humanity's Last Exam (Artificial Analysis run)18.8%13.8%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 prompts14411436Gemini 3.5 Flash Lite
LMArena Text: expert14341432Gemini 3.5 Flash Lite
LMArena Text: hard prompts in English14401445Mistral Medium 3.5
LMArena Vision: diagrams12841254Gemini 3.5 Flash Lite
LMArena Vision: homework12911230Gemini 3.5 Flash Lite
Kagi LLM BenchmarkNot measured41.4%Only Mistral Medium 3.5 measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index21
Math benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
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%9.0%Gemini 3.5 Flash Lite
LMArena Text: math14341431Gemini 3.5 Flash Lite
LMArena Text: mathematical work14331440Mistral Medium 3.5
Neither model has a result on the other 7 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 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
MMLU Pro85.8%75.3%Gemini 3.5 Flash Lite
LegalBench (Vals AI)84.1%Not measuredOnly Gemini 3.5 Flash Lite measured
CaseLaw (Vals AI)Not measured44.2%Only Mistral Medium 3.5 measured
CorpFin (Vals AI)60.7%58.8%Gemini 3.5 Flash Lite
TaxEval (Vals AI)72.6%68.0%Gemini 3.5 Flash Lite
MortgageTax (Vals AI)68.7%28.9%Gemini 3.5 Flash Lite
MedCode (Vals AI)43.5%33.8%Gemini 3.5 Flash Lite
LMArena Text: science14511428Gemini 3.5 Flash Lite
LMArena Text: medicine and healthcare14381409Gemini 3.5 Flash Lite
LMArena Text: legal and government14311437Mistral Medium 3.5
LMArena Text: business and finance14231426Mistral Medium 3.5
FACTS Benchmark Suite53.5%Not measuredOnly Gemini 3.5 Flash Lite measured
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 Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
Design Arena: websitesNot measured1142Only Mistral Medium 3.5 measured
Design Arena: UI componentsNot measured1079Only Mistral Medium 3.5 measured
Design Arena: game devNot measured1079Only Mistral Medium 3.5 measured
Design Arena: data vizNot measured1120Only Mistral Medium 3.5 measured
Design Arena: 3DNot measured1061Only Mistral Medium 3.5 measured
Design Arena: all code categoriesNot measured1121Only Mistral Medium 3.5 measured
Design Arena: SVGNot measured950Only Mistral Medium 3.5 measured
Design Arena: ASCII artNot measured1063Only Mistral Medium 3.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index270
General benchmarks for Gemini 3.5 Flash Lite and Mistral Medium 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
Public Benefits Bench (Vals AI)51.8%Not measuredOnly Gemini 3.5 Flash Lite measured
SAGE (Vals AI)47.3%37.6%Gemini 3.5 Flash Lite
MedScribe (Vals AI)70.9%67.7%Gemini 3.5 Flash Lite
Vals Multimodal IndexNot measured34.8%Only Mistral Medium 3.5 measured
IFBenchNot measured68.8%Only Mistral Medium 3.5 measured
Long context reasoning (AA-LCR)76.0%69.3%Gemini 3.5 Flash Lite
DTBench83.5%75.5%Gemini 3.5 Flash Lite
LMCA37.6%26.1%Gemini 3.5 Flash Lite
Surface Evolver BenchNot measured26.9%Only Mistral Medium 3.5 measured
LMArena Text14351421Gemini 3.5 Flash Lite
LMArena Text: instruction following14191415Gemini 3.5 Flash Lite
LMArena Text: creative writing14211374Gemini 3.5 Flash Lite
LMArena Vision12691222Gemini 3.5 Flash Lite
LMArena Text: English14381433Gemini 3.5 Flash Lite
LMArena Text: non-English14271404Gemini 3.5 Flash Lite
LMArena Text: Chinese14681444Gemini 3.5 Flash Lite
LMArena Text: German14541453Gemini 3.5 Flash Lite
LMArena Text: Japanese1426Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena Text: Korean14071384Gemini 3.5 Flash Lite
LMArena Text: French14511448Gemini 3.5 Flash Lite
LMArena Text: Spanish14411411Gemini 3.5 Flash Lite
LMArena Text: Russian14431395Gemini 3.5 Flash Lite
LMArena Text: Polish14371430Gemini 3.5 Flash Lite
LMArena Text: multi-turn14451423Gemini 3.5 Flash Lite
LMArena Text: longer queries14351415Gemini 3.5 Flash Lite
LMArena Text: writing and language14281384Gemini 3.5 Flash Lite
LMArena Text: entertainment and media14141382Gemini 3.5 Flash Lite
LMArena Vision: English12691240Gemini 3.5 Flash Lite
LMArena Vision: Chinese13111244Gemini 3.5 Flash Lite
LMArena Vision: reading text12801233Gemini 3.5 Flash Lite
LMArena Vision: humor12871216Gemini 3.5 Flash Lite
LMArena Vision: creative writing12601198Gemini 3.5 Flash Lite
Neither model has a result on the other 14 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 3.5
BenchmarkGemini 3.5 Flash LiteMistral Medium 3.5Leader
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 3.5$0.0053Fits in one request

Gemini 3.5 Flash Lite costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash Lite$0.022Fits in one request
Mistral Medium 3.5$0.098Fits 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 3.5$0.375Fits in one request

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 3.5
SpecificationGoogle Gemini 3.5 Flash LiteMistral Medium 3.5
MakerGoogleMistral AI
WeightsNo public weights listedNo public weights listed
ReleasedJuly 21, 2026April 30, 2026
Context window1.05M262K
Input $/Mtok$0.30$1.50
Output $/Mtok$2.50$7.50
Coding index49.025.5
Independent measurements behind it33
Cost per solved task$0.41$6.02
SourceOpenRouter listingOpenRouter listing

Questions

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

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 25.5 for Mistral Medium 3.5. Pick Mistral Medium 3.5 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

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

Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens; Mistral Medium 3.5 costs $1.50 and $7.50. Per solved SWE-bench Verified task, Gemini 3.5 Flash Lite costs $0.41 and Mistral Medium 3.5 $6.02.

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

Gemini 3.5 Flash Lite, with 1.05M tokens against 262K.

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

65 benchmarks have a result for both models as of October 21, 2026. Gemini 3.5 Flash Lite's coding index rests on 3 independent benchmarks and Mistral Medium 3.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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