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Llama 4 Scout vs o3 Mini

o3 Mini leads Llama 4 Scout on the Artificial Analysis Intelligence Index, 12.5 to 6.5, and Llama 4 Scout costs 8.8x less per output token ($0.50 vs $4.40 per million). Updated October 21, 2026; 58 benchmarks have a result for both.

Replace Llama 4 Scout Replace o3 Mini
Llama 4 ScoutMeta Llama
Coding
No data
Overall
24.9
Output $/M
$0.50
2
o3 MiniOpenAI
Coding
No data
Overall
38.0
Output $/M
$4.40
56
vs boards won of 58 shared

Llama 4 Scout or o3 Mini: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Llama 4 Scout for output tokens 8.8x cheaper ($0.50 vs $4.40 per million) and a larger context window (1.31M against 200K tokens).

Model ALlama 4 ScoutMeta LlamaNot benchmarkedNo coding benchmark$1.276 per solved taskModel Bo3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
58
Llama 4 Scout only
24
o3 Mini only
13
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
Llama 4 Scout not benchmarked, o3 Mini not benchmarked.
Widest category
Math, 32.0 points apart on average over 7 shared benchmarks.
Widest single gap
OTIS Mock AIME: Llama 4 Scout 7.8% against o3 Mini 76.9%, 69.2 points apart on a 0 to 100 scale.
Output price
Llama 4 Scout $0.50 against o3 Mini $4.40 per million output tokens, 8.8x apart.
Context window
Llama 4 Scout takes 1.31M tokens, o3 Mini 200K.

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
CategoryLlama 4 ScoutBarso3 MiniTies
Coding07
Intelligence02
Agentic work01
Reasoning09
Math07
Knowledge28
General022
All shared boards256
CodingLike-for-likeSix of these boards feed the Vibe Coding Index07
Coding benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
Aider polyglotNot measured60.4%Only o3 Mini measured
SWE-bench Verified9.1%42.4%o3 Mini
SWE-bench LiteNot measured32.3%Only o3 Mini measured
AA Coding Index8.2Not measuredOnly Llama 4 Scout measured
LiveCodeBench (Vals AI)38.5%71.5%o3 Mini
LiveCodeBench (Artificial Analysis run)29.9%73.4%o3 Mini
SciCode21.3%42.8%o3 Mini
Terminal-Bench Hard (Artificial Analysis run)1.5%6.8%o3 Mini
GSO-BenchNot measured1.3%Only o3 Mini measured
WeirdMLNot measured43.7%Only o3 Mini measured
CybenchNot measured22.5%Only o3 Mini measured
LMArena Text: coding12861378o3 Mini
LMArena Text: software and IT12861364o3 Mini
SciCodeNot measured7.7%Only o3 Mini measured
Neither model has a result on the other 25 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
AA Intelligence Index6.512.5o3 Mini
Epoch Capabilities Index129.6140.2o3 Mini
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
AA Agentic Index0.5Not measuredOnly Llama 4 Scout measured
τ²-Bench Telecom15.5%31.3%o3 Mini
Berkeley Function Calling Leaderboard (BFCL)28.1%Not measuredOnly Llama 4 Scout measured
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index09
Reasoning benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
GPQA Diamond47.0%75.5%o3 Mini
MMMU Pro (Vals AI)58.8%Not measuredOnly Llama 4 Scout measured
GPQA Diamond (Artificial Analysis run)58.7%77.3%o3 Mini
Humanity's Last Exam (Artificial Analysis run)3.8%12.0%o3 Mini
GPQA Diamond (Epoch AI run)51.8%77.0%o3 Mini
ARC-AGI0.5%34.5%o3 Mini
ARC-AGI-20.0%3.0%o3 Mini
SimpleBenchNot measured22.8%Only o3 Mini measured
Chess puzzlesNot measured15.0%Only o3 Mini measured
Mystery game puzzlesNot measured7.0%Only o3 Mini measured
LMArena Text: hard prompts12661365o3 Mini
LMArena Text: expert12351364o3 Mini
LMArena Text: hard prompts in English12931375o3 Mini
LMArena Vision: diagrams1125Not measuredOnly Llama 4 Scout measured
LMArena Vision: homework1148Not measuredOnly Llama 4 Scout measured
Kagi LLM Benchmark36.9%Not measuredOnly Llama 4 Scout measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index07
Math benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
AIME19.0%86.5%o3 Mini
MATH 500 (Vals AI)79.2%91.8%o3 Mini
MGSM (Vals AI)88.0%91.3%o3 Mini
AA Math Index14.0Not measuredOnly Llama 4 Scout measured
AIME 2025 (Artificial Analysis run)14.0%Not measuredOnly Llama 4 Scout measured
OTIS Mock AIME7.8%76.9%o3 Mini
FrontierMath, tiers 1 to 3Not measured18.6%Only o3 Mini measured
FrontierMath, tier 4Not measured0.0%Only o3 Mini measured
MATH level 562.3%96.5%o3 Mini
LMArena Text: math12871396o3 Mini
LMArena Text: mathematical work12861399o3 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index28
Knowledge benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
MMLU Pro69.6%78.7%o3 Mini
LegalBench (Vals AI)72.0%71.5%Llama 4 Scout
CorpFin (Vals AI)46.8%45.3%Llama 4 Scout
TaxEval (Vals AI)55.2%69.4%o3 Mini
MortgageTax (Vals AI)57.8%Not measuredOnly Llama 4 Scout measured
MedQA (Vals AI)50.9%94.8%o3 Mini
MedCode (Vals AI)23.3%Not measuredOnly Llama 4 Scout measured
MMLU Pro (Artificial Analysis run)75.2%80.2%o3 Mini
SimpleQA VerifiedNot measured15.3%Only o3 Mini measured
LMArena Text: science12781339o3 Mini
LMArena Text: medicine and healthcare12751330o3 Mini
LMArena Text: legal and government12851328o3 Mini
LMArena Text: business and finance12571313o3 Mini
Neither model has a result on the other 5 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
Web design benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
Design Arena: websites750Not measuredOnly Llama 4 Scout measured
Design Arena: UI components768Not measuredOnly Llama 4 Scout measured
Design Arena: game dev773Not measuredOnly Llama 4 Scout measured
Design Arena: data viz896Not measuredOnly Llama 4 Scout measured
Design Arena: all code categories790Not measuredOnly Llama 4 Scout measured
Neither model has a result on the other 4 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index022
General benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
SAGE (Vals AI)34.8%Not measuredOnly Llama 4 Scout measured
MedScribe (Vals AI)50.6%Not measuredOnly Llama 4 Scout measured
IFBench39.5%67.1%o3 Mini
Long context reasoning (AA-LCR)27.7%43.0%o3 Mini
DTBench57.9%68.8%o3 Mini
LMCA12.0%19.0%o3 Mini
Fiction.LiveBench36.0%50.0%o3 Mini
Creative writing (Lech Mazur)Not measured61.7%Only o3 Mini measured
LMArena Text12791337o3 Mini
LMArena Text: instruction following12481337o3 Mini
LMArena Text: creative writing12491286o3 Mini
LMArena Vision1118Not measuredOnly Llama 4 Scout measured
LMArena Text: English13041351o3 Mini
LMArena Text: non-English12521319o3 Mini
LMArena Text: Chinese12551379o3 Mini
LMArena Text: German12731303o3 Mini
LMArena Text: Japanese12061286o3 Mini
LMArena Text: Korean12071313o3 Mini
LMArena Text: French12831334o3 Mini
LMArena Text: Spanish12781321o3 Mini
LMArena Text: Russian12631304o3 Mini
LMArena Text: Polish12651294o3 Mini
LMArena Text: multi-turn12801320o3 Mini
LMArena Text: longer queries12651343o3 Mini
LMArena Text: writing and language12691313o3 Mini
LMArena Text: entertainment and media12421283o3 Mini
LMArena Vision: English1143Not measuredOnly Llama 4 Scout measured
LMArena Vision: Chinese1106Not measuredOnly Llama 4 Scout measured
LMArena Vision: reading text1117Not measuredOnly Llama 4 Scout measured
LMArena Vision: humor1102Not measuredOnly Llama 4 Scout measured
LMArena Vision: creative writing1126Not measuredOnly Llama 4 Scout measured
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Llama 4 Scout and o3 Mini
BenchmarkLlama 4 Scouto3 MiniLeader
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

Llama 4 Scout$0.0004Fits in one request
o3 Mini$0.0033Fits in one request

Llama 4 Scout costs less

Repository review

50K input + 3K output tokens

Llama 4 Scout$0.010Fits in one request
o3 Mini$0.068Fits in one request

Llama 4 Scout costs less

Agent loop

200K input + 10K output tokens

Llama 4 Scout$0.040Fits in one request
o3 Mini$0.264Exceeds the context window

Llama 4 Scout 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 Llama 4 Scout and o3 Mini
SpecificationMeta Llama 4 ScoutOpenAI o3 Mini
MakerMeta LlamaOpenAI
WeightsOpen weightsNo public weights listed
ReleasedApril 5, 2025January 31, 2025
Context window1.31M200K
Input $/Mtok$0.175$1.10
Output $/Mtok$0.50$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved task$1.276Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Llama 4 Scout better than o3 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Llama 4 Scout for output tokens 8.8x cheaper ($0.50 vs $4.40 per million) and a larger context window (1.31M against 200K tokens).

Which is cheaper, Llama 4 Scout or o3 Mini?

Llama 4 Scout costs $0.175 per million input tokens and $0.50 per million output tokens; o3 Mini costs $1.10 and $4.40. Cost per solved task is known for Llama 4 Scout only.

Which has the bigger context window, Llama 4 Scout or o3 Mini?

Llama 4 Scout, with 1.31M tokens against 200K.

How many benchmarks is the Llama 4 Scout vs o3 Mini comparison based on?

58 benchmarks have a result for both models as of October 21, 2026. Llama 4 Scout's coding index rests on 0 independent benchmarks and o3 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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