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Gemini 3.1 Flash Lite Preview vs GPT-4o (2024-08-06)

Gemini 3.1 Flash Lite Preview leads GPT-4o (2024-08-06) on the Artificial Analysis Intelligence Index, 15.6 to 7.7, and Gemini 3.1 Flash Lite Preview costs 6.7x less per output token ($1.50 vs $10.00 per million). Updated October 22, 2026; 38 benchmarks have a result for both.

Replace Gemini 3.1 Flash Lite Preview Replace GPT-4o (2024-08-06)
Gemini 3.1 Flash Lite PreviewGoogle
Coding
22.7
Overall
36.6
Output $/M
$1.50
38
GPT-4o (2024-08-06)OpenAI
Coding
No data
Overall
26.3
Output $/M
$10.00
0
vs boards won of 38 shared

Gemini 3.1 Flash Lite Preview or GPT-4o (2024-08-06): which to pick

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; GPT-4o (2024-08-06) has none, so the two cannot be ranked on coding.

Compare them on price, context and the boards below.

Model AGemini 3.1 Flash Lite PreviewGoogle22.7/1003 independent benchmarks$0.18 per solved taskModel BGPT-4o (2024-08-06)OpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
38
Gemini 3.1 Flash Lite Preview only
42
GPT-4o (2024-08-06) only
20
Like-for-like categories
6 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 3.1 Flash Lite Preview 22.7 from 3 benchmarks, GPT-4o (2024-08-06) not benchmarked.
Widest category
Math, 38.4 points apart on average over 3 shared benchmarks.
Widest single gap
AIME: Gemini 3.1 Flash Lite Preview 83.3% against GPT-4o (2024-08-06) 14.0%, 69.4 points apart on a 0 to 100 scale.
Output price
Gemini 3.1 Flash Lite Preview $1.50 against GPT-4o (2024-08-06) $10.00 per million output tokens, 6.7x apart.
Context window
Gemini 3.1 Flash Lite Preview takes 1.05M tokens, GPT-4o (2024-08-06) 128K.

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 3.1 Flash Lite PreviewBarsGPT-4o (2024-08-06)Ties
Coding20
Intelligence10
Reasoning40
Math30
Knowledge90
General190
All shared boards380
CodingLike-for-likeSix of these boards feed the Vibe Coding Index20
Coding benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
Aider polyglotNot measured23.1%Only GPT-4o (2024-08-06) measured
SWE-bench LiteNot measured21.7%Only GPT-4o (2024-08-06) measured
LMArena WebDev1257Not measuredOnly Gemini 3.1 Flash Lite Preview measured
AA Coding Index34.7Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LiveCodeBench (Vals AI)80.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SWE-bench Verified (Vals AI)62.8%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Vibe Code Bench (Vals AI)0.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Code migration (Vals AI)4.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Terminal-Bench 2.1 (Vals AI)34.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LiveCodeBench (Artificial Analysis run)Not measured31.7%Only GPT-4o (2024-08-06) measured
Terminal-Bench Hard (Artificial Analysis run)Not measured8.3%Only GPT-4o (2024-08-06) measured
ALE-Bench797.7Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Text: coding14001283Gemini 3.1 Flash Lite Preview
LMArena Text: software and IT14131278Gemini 3.1 Flash Lite Preview
LMArena WebDev: React1245Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena WebDev: HTML1276Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena WebDev: from an image1336Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SciCode4.6%Not measuredOnly Gemini 3.1 Flash Lite Preview 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 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
AA Intelligence Index15.67.7Gemini 3.1 Flash Lite Preview
Neither model has a result on the other 1 board here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Agentic work benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
AA Agentic Index1.6Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Finance Agent (Vals AI)30.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Tax Agent Bench (Vals AI)3.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Legal Research Bench (Vals AI)3.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Excel Modeling Benchmark (Vals AI)8.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
τ²-Bench TelecomNot measured28.9%Only GPT-4o (2024-08-06) measured
Neither model has a result on the other 36 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
Reasoning benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
GPQA Diamond81.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MMMU Pro (Vals AI)82.5%64.0%Gemini 3.1 Flash Lite Preview
GPQA Diamond (Artificial Analysis run)Not measured52.1%Only GPT-4o (2024-08-06) measured
Humanity's Last Exam (Artificial Analysis run)Not measured2.3%Only GPT-4o (2024-08-06) measured
GPQA Diamond (Epoch AI run)Not measured49.2%Only GPT-4o (2024-08-06) measured
SimpleBenchNot measured17.8%Only GPT-4o (2024-08-06) measured
Chess puzzlesNot measured6.0%Only GPT-4o (2024-08-06) measured
LMArena Text: hard prompts14071264Gemini 3.1 Flash Lite Preview
LMArena Text: expert13981241Gemini 3.1 Flash Lite Preview
LMArena Text: hard prompts in English14031277Gemini 3.1 Flash Lite Preview
LMArena Vision: diagrams1242Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: homework1271Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 11 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
AIME83.3%14.0%Gemini 3.1 Flash Lite Preview
MATH 500 (Vals AI)Not measured75.2%Only GPT-4o (2024-08-06) measured
MGSM (Vals AI)Not measured90.7%Only GPT-4o (2024-08-06) measured
OTIS Mock AIMENot measured6.4%Only GPT-4o (2024-08-06) measured
FrontierMath, tiers 1 to 3Not measured0.4%Only GPT-4o (2024-08-06) measured
MATH level 5Not measured53.3%Only GPT-4o (2024-08-06) measured
LMArena Text: math14281285Gemini 3.1 Flash Lite Preview
LMArena Text: mathematical work14171283Gemini 3.1 Flash Lite Preview
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index90
Knowledge benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
MMLU Pro86.2%74.1%Gemini 3.1 Flash Lite Preview
LegalBench (Vals AI)83.8%80.1%Gemini 3.1 Flash Lite Preview
CaseLaw (Vals AI)55.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
CorpFin (Vals AI)59.4%39.4%Gemini 3.1 Flash Lite Preview
TaxEval (Vals AI)71.8%71.1%Gemini 3.1 Flash Lite Preview
MortgageTax (Vals AI)68.0%61.0%Gemini 3.1 Flash Lite Preview
MedQA (Vals AI)Not measured88.2%Only GPT-4o (2024-08-06) measured
MedCode (Vals AI)47.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SimpleQA VerifiedNot measured26.0%Only GPT-4o (2024-08-06) measured
MMLUNot measured84.3%Only GPT-4o (2024-08-06) measured
LMArena Text: science14251274Gemini 3.1 Flash Lite Preview
LMArena Text: medicine and healthcare14281252Gemini 3.1 Flash Lite Preview
LMArena Text: legal and government14181275Gemini 3.1 Flash Lite Preview
LMArena Text: business and finance13891232Gemini 3.1 Flash Lite Preview
FACTS Benchmark Suite51.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 5 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
Design Arena: websites1082Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: UI components1069Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: game dev1029Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: data viz1045Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: 3D1047Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: all code categories1071Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: SVG1052Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Design Arena: ASCII art1167Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index190
General benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
SAGE (Vals AI)49.5%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MedScribe (Vals AI)63.9%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Vals Multimodal Index41.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
IFBenchNot measured36.0%Only GPT-4o (2024-08-06) measured
Long context reasoning (AA-LCR)Not measured41.0%Only GPT-4o (2024-08-06) measured
LMArena Text14161283Gemini 3.1 Flash Lite Preview
LMArena Text: instruction following13771267Gemini 3.1 Flash Lite Preview
LMArena Text: creative writing14011274Gemini 3.1 Flash Lite Preview
LMArena Vision12401065Gemini 3.1 Flash Lite Preview
LMArena Text: English14141297Gemini 3.1 Flash Lite Preview
LMArena Text: non-English14101262Gemini 3.1 Flash Lite Preview
LMArena Text: Chinese14601254Gemini 3.1 Flash Lite Preview
LMArena Text: German14301257Gemini 3.1 Flash Lite Preview
LMArena Text: Japanese14131234Gemini 3.1 Flash Lite Preview
LMArena Text: Korean13921218Gemini 3.1 Flash Lite Preview
LMArena Text: French14241263Gemini 3.1 Flash Lite Preview
LMArena Text: Spanish14211269Gemini 3.1 Flash Lite Preview
LMArena Text: Russian14201272Gemini 3.1 Flash Lite Preview
LMArena Text: Polish1443Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Text: multi-turn14171279Gemini 3.1 Flash Lite Preview
LMArena Text: longer queries13941283Gemini 3.1 Flash Lite Preview
LMArena Text: writing and language14081290Gemini 3.1 Flash Lite Preview
LMArena Text: entertainment and media13861267Gemini 3.1 Flash Lite Preview
LMArena Vision: English12321072Gemini 3.1 Flash Lite Preview
LMArena Vision: Chinese12781009Gemini 3.1 Flash Lite Preview
LMArena Vision: reading text1246Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: humor1266Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: captioning1259Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: recognizing things1308Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: creative writing1248Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MultiChallenge60.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4o (2024-08-06)Leader
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 3.1 Flash Lite Preview$0.0010Fits in one request
GPT-4o (2024-08-06)$0.0075Fits in one request

Gemini 3.1 Flash Lite Preview costs less

Repository review

50K input + 3K output tokens

Gemini 3.1 Flash Lite Preview$0.017Fits in one request
GPT-4o (2024-08-06)$0.155Fits in one request

Gemini 3.1 Flash Lite Preview costs less

Agent loop

200K input + 10K output tokens

Gemini 3.1 Flash Lite Preview$0.065Fits in one request
GPT-4o (2024-08-06)$0.600Exceeds the context window

Gemini 3.1 Flash Lite Preview 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 3.1 Flash Lite Preview and GPT-4o (2024-08-06)
SpecificationGoogle Gemini 3.1 Flash Lite PreviewOpenAI GPT-4o (2024-08-06)
MakerGoogleOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedMarch 3, 2026August 6, 2024
Context window1.05M128K
Input $/Mtok$0.25$2.50
Output $/Mtok$1.50$10.00
Coding index22.7Not benchmarked
Independent measurements behind it30
Cost per solved task$0.18Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.1 Flash Lite Preview better than GPT-4o (2024-08-06) for coding?

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; GPT-4o (2024-08-06) has none, so the two cannot be ranked on coding. Compare them on price, context and the boards below.

Which is cheaper, Gemini 3.1 Flash Lite Preview or GPT-4o (2024-08-06)?

Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; GPT-4o (2024-08-06) costs $2.50 and $10.00. Cost per solved task is known for Gemini 3.1 Flash Lite Preview only.

Which has the bigger context window, Gemini 3.1 Flash Lite Preview or GPT-4o (2024-08-06)?

Gemini 3.1 Flash Lite Preview, with 1.05M tokens against 128K.

How many benchmarks is the Gemini 3.1 Flash Lite Preview vs GPT-4o (2024-08-06) comparison based on?

38 benchmarks have a result for both models as of October 22, 2026. Gemini 3.1 Flash Lite Preview's coding index rests on 3 independent benchmarks and GPT-4o (2024-08-06)'s on 0. Where only one model has a result, the page says so instead of naming a winner.

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