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Gemini 3.1 Flash Lite Preview vs GPT-4.1

Gemini 3.1 Flash Lite Preview leads GPT-4.1 on the Artificial Analysis Intelligence Index, 15.6 to 12.7, and Gemini 3.1 Flash Lite Preview costs 5.3x less per output token ($1.50 vs $8.00 per million). Updated October 21, 2026; 58 benchmarks have a result for both.

Replace Gemini 3.1 Flash Lite Preview Replace GPT-4.1
Gemini 3.1 Flash Lite PreviewGoogle
Coding
22.7
Overall
36.6
Output $/M
$1.50
52
GPT-4.1OpenAI
Coding
No data
Overall
36.5
Output $/M
$8.00
5
vs boards won of 58 shared, 1 tied

Gemini 3.1 Flash Lite Preview or GPT-4.1: which to pick

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; GPT-4.1 has none, so the two cannot be ranked on coding.

Pick GPT-4.1 for work measured by CaseLaw (Vals AI) or CorpFin (Vals AI), where it leads.

Model AGemini 3.1 Flash Lite PreviewGoogle22.7/1003 independent benchmarks$0.18 per solved taskModel BGPT-4.1OpenAINot benchmarkedNo coding benchmark$0.37 per solved task
Shared results
58
Gemini 3.1 Flash Lite Preview only
21
GPT-4.1 only
34
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 3.1 Flash Lite Preview 22.7 from 3 benchmarks, GPT-4.1 not benchmarked.
Widest category
Math, 21.0 points apart on average over 3 shared benchmarks.
Widest single gap
AIME: Gemini 3.1 Flash Lite Preview 83.3% against GPT-4.1 39.6%, 43.8 points apart on a 0 to 100 scale.
Output price
Gemini 3.1 Flash Lite Preview $1.50 against GPT-4.1 $8.00 per million output tokens, 5.3x apart.
Context window
Gemini 3.1 Flash Lite Preview takes 1.05M tokens, GPT-4.1 1.05M.

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-4.1Ties
Coding401 tie
Intelligence10
Reasoning70
Math30
Knowledge83
Web design42
General250
All shared boards5251 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index40
Coding benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
Aider polyglotNot measured52.4%Only GPT-4.1 measured
SWE-bench VerifiedNot measured39.6%Only GPT-4.1 measured
SWE-bench MultimodalNot measured31.1%Only GPT-4.1 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%54.7%Gemini 3.1 Flash Lite Preview
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 measured45.7%Only GPT-4.1 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured13.6%Only GPT-4.1 measured
WeirdMLNot measured39.0%Only GPT-4.1 measured
ALE-Bench797.7558.1Gemini 3.1 Flash Lite Preview
LMArena Text: coding14001390Gemini 3.1 Flash Lite Preview
LMArena Text: software and IT14131391Gemini 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%4.6%Tie
Neither model has a result on the other 18 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-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
AA Intelligence Index15.612.7Gemini 3.1 Flash Lite Preview
Epoch Capabilities IndexNot measured136.7Only GPT-4.1 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Agentic work benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
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 measured47.1%Only GPT-4.1 measured
Berkeley Function Calling Leaderboard (BFCL)Not measured54.0%Only GPT-4.1 measured
BrowseComp-PlusNot measured36.4%Only GPT-4.1 measured
Neither model has a result on the other 33 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index70
Reasoning benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
GPQA Diamond81.1%65.4%Gemini 3.1 Flash Lite Preview
MMMU Pro (Vals AI)82.5%72.4%Gemini 3.1 Flash Lite Preview
GPQA Diamond (Artificial Analysis run)Not measured66.6%Only GPT-4.1 measured
Humanity's Last Exam (Artificial Analysis run)Not measured4.2%Only GPT-4.1 measured
GPQA Diamond (Epoch AI run)Not measured66.9%Only GPT-4.1 measured
ARC-AGINot measured5.5%Only GPT-4.1 measured
ARC-AGI-2Not measured0.4%Only GPT-4.1 measured
SimpleBenchNot measured27.0%Only GPT-4.1 measured
Chess puzzlesNot measured3.0%Only GPT-4.1 measured
LMArena Text: hard prompts14071384Gemini 3.1 Flash Lite Preview
LMArena Text: expert13981364Gemini 3.1 Flash Lite Preview
LMArena Text: hard prompts in English14031393Gemini 3.1 Flash Lite Preview
LMArena Vision: diagrams12421215Gemini 3.1 Flash Lite Preview
LMArena Vision: homework12711248Gemini 3.1 Flash Lite Preview
Kagi LLM BenchmarkNot measured52.3%Only GPT-4.1 measured
Neither model has a result on the other 7 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-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
AIME83.3%39.6%Gemini 3.1 Flash Lite Preview
MATH 500 (Vals AI)Not measured87.2%Only GPT-4.1 measured
MGSM (Vals AI)Not measured87.7%Only GPT-4.1 measured
AA Math IndexNot measured34.7Only GPT-4.1 measured
AIME 2025 (Artificial Analysis run)Not measured34.7%Only GPT-4.1 measured
OTIS Mock AIMENot measured38.3%Only GPT-4.1 measured
FrontierMath, tiers 1 to 3Not measured6.0%Only GPT-4.1 measured
MATH level 5Not measured83.0%Only GPT-4.1 measured
LMArena Text: math14281369Gemini 3.1 Flash Lite Preview
LMArena Text: mathematical work14171360Gemini 3.1 Flash Lite Preview
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index83
Knowledge benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
MMLU Pro86.2%80.5%Gemini 3.1 Flash Lite Preview
LegalBench (Vals AI)83.8%83.1%Gemini 3.1 Flash Lite Preview
CaseLaw (Vals AI)55.0%69.9%GPT-4.1
CorpFin (Vals AI)59.4%63.0%GPT-4.1
TaxEval (Vals AI)71.8%75.1%GPT-4.1
MortgageTax (Vals AI)68.0%65.9%Gemini 3.1 Flash Lite Preview
MedQA (Vals AI)Not measured91.2%Only GPT-4.1 measured
MedCode (Vals AI)47.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MMLU Pro (Artificial Analysis run)Not measured80.6%Only GPT-4.1 measured
SimpleQA VerifiedNot measured31.1%Only GPT-4.1 measured
GeoBenchNot measured72.0%Only GPT-4.1 measured
LMArena Text: science14251382Gemini 3.1 Flash Lite Preview
LMArena Text: medicine and healthcare14281379Gemini 3.1 Flash Lite Preview
LMArena Text: legal and government14181399Gemini 3.1 Flash Lite Preview
LMArena Text: business and finance13891369Gemini 3.1 Flash Lite Preview
FACTS Benchmark Suite51.4%45.8%Gemini 3.1 Flash Lite Preview
Neither model has a result on the other 2 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index42
Web design benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
Design Arena: websites10831039Gemini 3.1 Flash Lite Preview
Design Arena: UI components10721000Gemini 3.1 Flash Lite Preview
Design Arena: game dev10291080GPT-4.1
Design Arena: data viz10451104GPT-4.1
Design Arena: 3D1048850Gemini 3.1 Flash Lite Preview
Design Arena: all code categories10721026Gemini 3.1 Flash Lite Preview
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 index250
General benchmarks for Gemini 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
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 measured43.0%Only GPT-4.1 measured
Long context reasoning (AA-LCR)Not measured68.3%Only GPT-4.1 measured
DTBenchNot measured68.3%Only GPT-4.1 measured
LMCANot measured25.6%Only GPT-4.1 measured
Fiction.LiveBenchNot measured63.9%Only GPT-4.1 measured
LMArena Text14161383Gemini 3.1 Flash Lite Preview
LMArena Text: instruction following13771367Gemini 3.1 Flash Lite Preview
LMArena Text: creative writing14011363Gemini 3.1 Flash Lite Preview
LMArena Vision12401210Gemini 3.1 Flash Lite Preview
LMArena Text: English14141392Gemini 3.1 Flash Lite Preview
LMArena Text: non-English14101370Gemini 3.1 Flash Lite Preview
LMArena Text: Chinese14601382Gemini 3.1 Flash Lite Preview
LMArena Text: German14301381Gemini 3.1 Flash Lite Preview
LMArena Text: Japanese14131319Gemini 3.1 Flash Lite Preview
LMArena Text: Korean13921338Gemini 3.1 Flash Lite Preview
LMArena Text: French14241382Gemini 3.1 Flash Lite Preview
LMArena Text: Spanish14211376Gemini 3.1 Flash Lite Preview
LMArena Text: Russian14201377Gemini 3.1 Flash Lite Preview
LMArena Text: Polish14431389Gemini 3.1 Flash Lite Preview
LMArena Text: multi-turn14171397Gemini 3.1 Flash Lite Preview
LMArena Text: longer queries13941385Gemini 3.1 Flash Lite Preview
LMArena Text: writing and language14081371Gemini 3.1 Flash Lite Preview
LMArena Text: entertainment and media13861365Gemini 3.1 Flash Lite Preview
LMArena Vision: English12321209Gemini 3.1 Flash Lite Preview
LMArena Vision: Chinese12781226Gemini 3.1 Flash Lite Preview
LMArena Vision: reading text12461218Gemini 3.1 Flash Lite Preview
LMArena Vision: humor12661196Gemini 3.1 Flash Lite Preview
LMArena Vision: captioning12591207Gemini 3.1 Flash Lite Preview
LMArena Vision: recognizing things13081208Gemini 3.1 Flash Lite Preview
LMArena Vision: creative writing12481210Gemini 3.1 Flash Lite Preview
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 3.1 Flash Lite Preview and GPT-4.1
BenchmarkGemini 3.1 Flash Lite PreviewGPT-4.1Leader
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 3.1 Flash Lite Preview$0.0010Fits in one request
GPT-4.1$0.0060Fits 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-4.1$0.124Fits 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-4.1$0.480Fits in one request

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-4.1
SpecificationGoogle Gemini 3.1 Flash Lite PreviewOpenAI GPT-4.1
MakerGoogleOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedMarch 3, 2026April 14, 2025
Context window1.05M1.05M
Input $/Mtok$0.25$2.00
Output $/Mtok$1.50$8.00
Coding index22.7Not benchmarked
Independent measurements behind it30
Cost per solved task$0.18$0.37
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.1 Flash Lite Preview better than GPT-4.1 for coding?

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; GPT-4.1 has none, so the two cannot be ranked on coding. Pick GPT-4.1 for work measured by CaseLaw (Vals AI) or CorpFin (Vals AI), where it leads.

Which is cheaper, Gemini 3.1 Flash Lite Preview or GPT-4.1?

Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; GPT-4.1 costs $2.00 and $8.00. Per solved SWE-bench Verified task, Gemini 3.1 Flash Lite Preview costs $0.18 and GPT-4.1 $0.37.

Which has the bigger context window, Gemini 3.1 Flash Lite Preview or GPT-4.1?

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

How many benchmarks is the Gemini 3.1 Flash Lite Preview vs GPT-4.1 comparison based on?

58 benchmarks have a result for both models as of October 21, 2026. Gemini 3.1 Flash Lite Preview's coding index rests on 3 independent benchmarks and GPT-4.1's on 0. Where only one model has a result, the page says so instead of naming a winner.

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