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Gemini 3.5 Flash vs Gemini 3.5 Flash Lite

Gemini 3.5 Flash Lite leads Gemini 3.5 Flash on coding, 49.0 to 39.8 on the Vibe Coding Index, and Gemini 3.5 Flash Lite costs 3.6x less per output token ($2.50 vs $9.00 per million). Updated October 22, 2026; 82 benchmarks have a result for both.

Replace Gemini 3.5 Flash Replace Gemini 3.5 Flash Lite
Gemini 3.5 FlashGoogle
Coding
39.8
Overall
63.8
Output $/M
$9.00
77
Gemini 3.5 Flash LiteGoogle
Coding
49.0
Overall
49.8
Output $/M
$2.50
4
vs boards won of 82 shared, 1 tied

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

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 39.8 for Gemini 3.5 Flash, though on 3 benchmarks against 4.

Pick Gemini 3.5 Flash for work measured by LMArena WebDev or LiveCodeBench (Vals AI), where it leads.

Model AGemini 3.5 FlashGoogle39.8/1004 independent benchmarks$1.21 per solved taskModel BGemini 3.5 Flash LiteGoogle49.0/1003 independent benchmarks$0.41 per solved task
Shared results
82
Gemini 3.5 Flash only
30
Gemini 3.5 Flash Lite only
3
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 39.8 from 4 benchmarks, Gemini 3.5 Flash Lite 49.0 from 3 benchmarks.
Widest category
Math, 21.3 points apart on average over 6 shared benchmarks.
Widest single gap
ARC-AGI-2: Gemini 3.5 Flash 72.1% against Gemini 3.5 Flash Lite 10.3%, 61.8 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash $9.00 against Gemini 3.5 Flash Lite $2.50 per million output tokens, 3.6x 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
CategoryGemini 3.5 FlashBarsGemini 3.5 Flash LiteTies
Coding1401 tie
Intelligence20
Agentic work41
Reasoning140
Math60
Knowledge92
General281
All shared boards7741 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index140
Coding benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
LMArena WebDev14991435Gemini 3.5 Flash
AA Coding IndexNot measured49.3Only Gemini 3.5 Flash Lite measured
LiveCodeBench (Vals AI)87.6%79.0%Gemini 3.5 Flash
SWE-bench Verified (Vals AI)78.8%75.0%Gemini 3.5 Flash
Terminal-Bench 4 (Vals AI)6.1%Not measuredOnly Gemini 3.5 Flash measured
Vibe Code Bench (Vals AI)48.7%37.2%Gemini 3.5 Flash
Code migration (Vals AI)26.8%6.2%Gemini 3.5 Flash
ProgramBench (Vals AI)0.0%0.0%Tie
Terminal-Bench 2.1 (Vals AI)74.2%50.2%Gemini 3.5 Flash
SkillsBench (Vals AI)52.7%Not measuredOnly Gemini 3.5 Flash measured
CyberBench (Vals AI)Not measured59.1%Only Gemini 3.5 Flash Lite measured
SciCode53.9%41.3%Gemini 3.5 Flash
Terminal-Bench Hard (Artificial Analysis run)46.2%Not measuredOnly Gemini 3.5 Flash measured
WeirdML62.6%39.0%Gemini 3.5 Flash
ALE-Bench911.0765.3Gemini 3.5 Flash
LMArena Text: coding14931453Gemini 3.5 Flash
LMArena Text: software and IT14941451Gemini 3.5 Flash
LMArena WebDev: React14951408Gemini 3.5 Flash
LMArena WebDev: HTML1522Not measuredOnly Gemini 3.5 Flash measured
LMArena WebDev: from an image15041448Gemini 3.5 Flash
SciCode12.3%6.2%Gemini 3.5 Flash
Neither model has a result on the other 18 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
AA Intelligence Index33.622.2Gemini 3.5 Flash
Epoch Capabilities Index154.9144.9Gemini 3.5 Flash
Agentic workLike-for-likePublic boards, shown as published, kept out of the index41
Agentic work benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
AA Agentic IndexNot measured14.3Only Gemini 3.5 Flash Lite measured
Design Arena: agents building web apps1202Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building full-stack apps1197Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building mobile apps1174Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building Android apps1185Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building Godot games1098Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building games1180Not measuredOnly Gemini 3.5 Flash measured
Design Arena: HTML slides1093Not measuredOnly Gemini 3.5 Flash measured
Design Arena: PowerPoint slides1154Not measuredOnly Gemini 3.5 Flash measured
Finance Agent (Vals AI)57.9%47.4%Gemini 3.5 Flash
Tax Agent Bench (Vals AI)21.6%7.2%Gemini 3.5 Flash
Legal Research Bench (Vals AI)30.8%13.9%Gemini 3.5 Flash
Excel Modeling Benchmark (Vals AI)63.5%43.2%Gemini 3.5 Flash
Terminal-Bench-Science (Vals AI)5.7%Not measuredOnly Gemini 3.5 Flash measured
τ²-Bench Telecom95.6%Not measuredOnly Gemini 3.5 Flash measured
APEX-Agents27.5%29.3%Gemini 3.5 Flash Lite
Vending-Bench 2$5,396Not measuredOnly Gemini 3.5 Flash measured
Neither model has a result on the other 24 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index140
Reasoning benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
GPQA Diamond92.7%83.8%Gemini 3.5 Flash
MMMU Pro (Vals AI)88.3%83.6%Gemini 3.5 Flash
GPQA Diamond (Artificial Analysis run)92.2%83.8%Gemini 3.5 Flash
Humanity's Last Exam (Artificial Analysis run)42.7%18.8%Gemini 3.5 Flash
GPQA Diamond (Epoch AI run)92.8%83.3%Gemini 3.5 Flash
ARC-AGI92.5%53.5%Gemini 3.5 Flash
ARC-AGI-272.1%10.3%Gemini 3.5 Flash
SimpleBench76.7%Not measuredOnly Gemini 3.5 Flash measured
Chess puzzles45.0%21.0%Gemini 3.5 Flash
Mystery game puzzles32.0%19.0%Gemini 3.5 Flash
EBR-bench4.8%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text: hard prompts14881441Gemini 3.5 Flash
LMArena Text: expert14951434Gemini 3.5 Flash
LMArena Text: hard prompts in English14831440Gemini 3.5 Flash
LMArena Vision: diagrams13231284Gemini 3.5 Flash
LMArena Vision: homework13301291Gemini 3.5 Flash
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index60
Math benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
OTIS Mock AIME95.6%71.1%Gemini 3.5 Flash
FrontierMath, tiers 1 to 362.8%26.0%Gemini 3.5 Flash
FrontierMath, tier 426.8%0.0%Gemini 3.5 Flash
ProofBench31.0%13.0%Gemini 3.5 Flash
LMArena Text: math15041434Gemini 3.5 Flash
LMArena Text: mathematical work14951433Gemini 3.5 Flash
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index92
Knowledge benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
MMLU Pro89.5%85.8%Gemini 3.5 Flash
LegalBench (Vals AI)83.6%84.1%Gemini 3.5 Flash Lite
CorpFin (Vals AI)64.7%60.7%Gemini 3.5 Flash
TaxEval (Vals AI)74.4%72.6%Gemini 3.5 Flash
MortgageTax (Vals AI)68.1%68.7%Gemini 3.5 Flash Lite
MedCode (Vals AI)55.8%43.5%Gemini 3.5 Flash
SimpleQA Verified66.2%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text: science14951451Gemini 3.5 Flash
LMArena Text: medicine and healthcare14831438Gemini 3.5 Flash
LMArena Text: legal and government14881431Gemini 3.5 Flash
LMArena Text: business and finance14671423Gemini 3.5 Flash
FACTS Benchmark Suite63.1%53.5%Gemini 3.5 Flash
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 and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
Design Arena: websites1267Not measuredOnly Gemini 3.5 Flash measured
Design Arena: UI components1269Not measuredOnly Gemini 3.5 Flash measured
Design Arena: game dev1263Not measuredOnly Gemini 3.5 Flash measured
Design Arena: data viz1236Not measuredOnly Gemini 3.5 Flash measured
Design Arena: 3D1243Not measuredOnly Gemini 3.5 Flash measured
Design Arena: all code categories1266Not measuredOnly Gemini 3.5 Flash measured
Design Arena: SVG1253Not measuredOnly Gemini 3.5 Flash measured
Design Arena: ASCII art1254Not measuredOnly Gemini 3.5 Flash measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index281
General benchmarks for Gemini 3.5 Flash and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
Public Benefits Bench (Vals AI)59.5%51.8%Gemini 3.5 Flash
SAGE (Vals AI)49.9%47.3%Gemini 3.5 Flash
MedScribe (Vals AI)76.6%70.9%Gemini 3.5 Flash
Vals Multimodal Index62.9%Not measuredOnly Gemini 3.5 Flash measured
IFBench76.3%Not measuredOnly Gemini 3.5 Flash measured
Long context reasoning (AA-LCR)74.3%76.0%Gemini 3.5 Flash Lite
DTBench94.7%83.5%Gemini 3.5 Flash
LMCA47.1%37.6%Gemini 3.5 Flash
Surface Evolver Bench58.1%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text14821435Gemini 3.5 Flash
LMArena Text: instruction following14671419Gemini 3.5 Flash
LMArena Text: creative writing14701421Gemini 3.5 Flash
LMArena Vision13081269Gemini 3.5 Flash
LMArena Text: English14811438Gemini 3.5 Flash
LMArena Text: non-English14751427Gemini 3.5 Flash
LMArena Text: Chinese15271468Gemini 3.5 Flash
LMArena Text: German14941454Gemini 3.5 Flash
LMArena Text: Japanese14861426Gemini 3.5 Flash
LMArena Text: Korean14481407Gemini 3.5 Flash
LMArena Text: French14901451Gemini 3.5 Flash
LMArena Text: Spanish14801441Gemini 3.5 Flash
LMArena Text: Russian14931443Gemini 3.5 Flash
LMArena Text: Polish15161437Gemini 3.5 Flash
LMArena Text: multi-turn14811445Gemini 3.5 Flash
LMArena Text: longer queries14831435Gemini 3.5 Flash
LMArena Text: writing and language14781428Gemini 3.5 Flash
LMArena Text: entertainment and media14591414Gemini 3.5 Flash
LMArena Vision: English13051269Gemini 3.5 Flash
LMArena Vision: Chinese13771311Gemini 3.5 Flash
LMArena Vision: reading text13171280Gemini 3.5 Flash
LMArena Vision: humor13211287Gemini 3.5 Flash
LMArena Vision: creative writing13011260Gemini 3.5 Flash
LMArena Document1463Not measuredOnly Gemini 3.5 Flash measured
Neither model has a result on the other 13 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 and Gemini 3.5 Flash Lite
BenchmarkGemini 3.5 FlashGemini 3.5 Flash LiteLeader
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$0.0060Fits in one request
Gemini 3.5 Flash Lite$0.0015Fits in one request

Gemini 3.5 Flash Lite costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash$0.102Fits in one request
Gemini 3.5 Flash Lite$0.022Fits in one request

Gemini 3.5 Flash Lite costs less

Agent loop

200K input + 10K output tokens

Gemini 3.5 Flash$0.390Fits in one request
Gemini 3.5 Flash Lite$0.085Fits 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 and Gemini 3.5 Flash Lite
SpecificationGoogle Gemini 3.5 FlashGoogle Gemini 3.5 Flash Lite
MakerGoogleGoogle
WeightsNo public weights listedNo public weights listed
ReleasedMay 19, 2026July 21, 2026
Context window1.05M1.05M
Input $/Mtok$1.50$0.30
Output $/Mtok$9.00$2.50
Coding index39.849.0
Independent measurements behind it43
Cost per solved task$1.21$0.41
SourceOpenRouter listingOpenRouter listing

Questions

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

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 39.8 for Gemini 3.5 Flash, though on 3 benchmarks against 4. Pick Gemini 3.5 Flash for work measured by LMArena WebDev or LiveCodeBench (Vals AI), where it leads.

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

Gemini 3.5 Flash costs $1.50 per million input tokens and $9.00 per million output tokens; Gemini 3.5 Flash Lite costs $0.30 and $2.50. Per solved SWE-bench Verified task, Gemini 3.5 Flash costs $1.21 and Gemini 3.5 Flash Lite $0.41.

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

Neither: both take 1.05M tokens.

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

82 benchmarks have a result for both models as of October 22, 2026. Gemini 3.5 Flash's coding index rests on 4 independent benchmarks and Gemini 3.5 Flash Lite's on 3. Where only one model has a result, the page says so instead of naming a winner.

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<iframe src="https://llmbenchmark.ai/embed/compare/gemini-3-5-flash-vs-gemini-3-5-flash-lite" title="Gemini 3.5 Flash vs Gemini 3.5 Flash Lite, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-3-5-flash-vs-gemini-3-5-flash-lite">LLMBenchmark.ai, Gemini 3.5 Flash vs Gemini 3.5 Flash Lite</a></p>