LLMBenchmark.ai

Enter opens the highlighted result. Esc closes.

GPT-5.4 Mini vs Llama 4 Scout

Updated October 21, 2026. 62 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace GPT-5.4 Mini Replace Llama 4 Scout
GPT-5.4 MiniOpenAI
Coding
28.2
Overall
24.1
Output $/M
$4.50
62
Llama 4 ScoutMeta Llama
Coding
9.1
Overall
6.5
Output $/M
$0.30
0
vs boards won of 62 shared

Decision reading

Pick GPT-5.4 Mini for coding: it scores 28.2 on the Vibe Coding Index against 9.1 for Llama 4 Scout.

Pick Llama 4 Scout when output tokens cost 15.0x less, or when the context window is larger, 1.31M against 400K tokens.

Model AGPT-5.4 MiniOpenAI28.2/1001 independent benchmark$0.70 per solved taskModel BLlama 4 ScoutMeta Llama9.1/1001 independent benchmark$1.276 per solved task
Shared results
62
GPT-5.4 Mini only
26
Llama 4 Scout only
18
Like-for-like categories
7 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

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
GPT-5.4 Mini 28.2 from 1 benchmark, Llama 4 Scout 9.1 from 1 benchmark.
Widest category
Math, 50.9 points apart on average over 4 shared benchmarks.
Widest single gap
OTIS Mock AIME: GPT-5.4 Mini 88.9% against Llama 4 Scout 7.8%, 81.1 points apart on a 0 to 100 scale.
Output price
GPT-5.4 Mini $4.50 against Llama 4 Scout $0.30 per million output tokens, 15.0x apart.
Context window
GPT-5.4 Mini takes 400K tokens, Llama 4 Scout 1.31M.

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
CategoryGPT-5.4 MiniBarsLlama 4 ScoutTies
Coding60
Intelligence20
Agentic work20
Reasoning120
Math40
Knowledge80
General280
All shared boards620
CodingLike-for-likeFour of these boards feed the Vibe Coding Index60
Coding benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
SWE-bench VerifiedNot measured9.1%Only Llama 4 Scout measured
LMArena WebDev1397Not measuredOnly GPT-5.4 Mini measured
AA Coding Index56.18.2GPT-5.4 Mini
LiveCodeBench (Vals AI)81.5%38.5%GPT-5.4 Mini
SWE-bench Verified (Vals AI)73.0%Not measuredOnly GPT-5.4 Mini measured
Terminal-Bench 4 (Vals AI)2.5%Not measuredOnly GPT-5.4 Mini measured
Vibe Code Bench (Vals AI)48.0%Not measuredOnly GPT-5.4 Mini measured
Code migration (Vals AI)12.9%Not measuredOnly GPT-5.4 Mini measured
ProgramBench (Vals AI)0.0%Not measuredOnly GPT-5.4 Mini measured
Terminal-Bench 2.1 (Vals AI)54.7%Not measuredOnly GPT-5.4 Mini measured
LiveCodeBench (Artificial Analysis run)Not measured29.9%Only Llama 4 Scout measured
SciCode52.1%21.3%GPT-5.4 Mini
Terminal-Bench Hard (Artificial Analysis run)52.3%1.5%GPT-5.4 Mini
FrontierCode27.0%Not measuredOnly GPT-5.4 Mini measured
WeirdML60.3%Not measuredOnly GPT-5.4 Mini measured
ALE-Bench1188.6Not measuredOnly GPT-5.4 Mini measured
LMArena Text: coding14381286GPT-5.4 Mini
LMArena Text: software and IT14361286GPT-5.4 Mini
LMArena WebDev: React1386Not measuredOnly GPT-5.4 Mini measured
LMArena WebDev: HTML1419Not measuredOnly GPT-5.4 Mini measured
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 GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
AA Intelligence Index24.16.5GPT-5.4 Mini
Epoch Capabilities Index148.7129.6GPT-5.4 Mini
Agentic workLike-for-likePublic boards, shown as published, kept out of the index20
Agentic work benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
AA Agentic Index17.90.5GPT-5.4 Mini
Finance Agent (Vals AI)45.4%Not measuredOnly GPT-5.4 Mini measured
Tax Agent Bench (Vals AI)8.8%Not measuredOnly GPT-5.4 Mini measured
Legal Research Bench (Vals AI)12.5%Not measuredOnly GPT-5.4 Mini measured
Excel Modeling Benchmark (Vals AI)45.4%Not measuredOnly GPT-5.4 Mini measured
τ²-Bench Telecom83.3%15.5%GPT-5.4 Mini
DeepResearch Bench36.3%Not measuredOnly GPT-5.4 Mini measured
Neither model has a result on the other 32 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index120
Reasoning benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
GPQA Diamond83.1%47.0%GPT-5.4 Mini
MMMU Pro (Vals AI)79.3%58.8%GPT-5.4 Mini
GPQA Diamond (Artificial Analysis run)87.5%58.7%GPT-5.4 Mini
Humanity's Last Exam (Artificial Analysis run)28.1%3.8%GPT-5.4 Mini
GPQA Diamond (Epoch AI run)86.9%51.8%GPT-5.4 Mini
ARC-AGI63.7%0.5%GPT-5.4 Mini
ARC-AGI-218.9%0.0%GPT-5.4 Mini
Chess puzzles23.0%Not measuredOnly GPT-5.4 Mini measured
Mystery game puzzles11.0%Not measuredOnly GPT-5.4 Mini measured
LMArena Text: hard prompts14241266GPT-5.4 Mini
LMArena Text: expert14351235GPT-5.4 Mini
LMArena Text: hard prompts in English14201293GPT-5.4 Mini
LMArena Vision: diagrams12661125GPT-5.4 Mini
LMArena Vision: homework12851148GPT-5.4 Mini
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
AIME95.6%19.0%GPT-5.4 Mini
MATH 500 (Vals AI)Not measured79.2%Only Llama 4 Scout measured
MGSM (Vals AI)Not measured88.0%Only Llama 4 Scout measured
AA Math IndexNot measured14.0Only Llama 4 Scout measured
AIME 2025 (Artificial Analysis run)Not measured14.0%Only Llama 4 Scout measured
OTIS Mock AIME88.9%7.8%GPT-5.4 Mini
FrontierMath, tiers 1 to 351.2%Not measuredOnly GPT-5.4 Mini measured
FrontierMath, tier 49.8%Not measuredOnly GPT-5.4 Mini measured
ProofBench21.0%Not measuredOnly GPT-5.4 Mini measured
MATH level 5Not measured62.3%Only Llama 4 Scout measured
LMArena Text: math14181287GPT-5.4 Mini
LMArena Text: mathematical work14291286GPT-5.4 Mini
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index80
Knowledge benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
MMLU Pro84.5%69.6%GPT-5.4 Mini
LegalBench (Vals AI)Not measured72.0%Only Llama 4 Scout measured
CaseLaw (Vals AI)51.7%Not measuredOnly GPT-5.4 Mini measured
CorpFin (Vals AI)60.9%46.8%GPT-5.4 Mini
TaxEval (Vals AI)71.2%55.2%GPT-5.4 Mini
MortgageTax (Vals AI)63.5%57.8%GPT-5.4 Mini
MedQA (Vals AI)Not measured50.9%Only Llama 4 Scout measured
MedCode (Vals AI)Not measured23.3%Only Llama 4 Scout measured
MMLU Pro (Artificial Analysis run)Not measured75.2%Only Llama 4 Scout measured
SimpleQA Verified29.4%Not measuredOnly GPT-5.4 Mini measured
LMArena Text: science14171278GPT-5.4 Mini
LMArena Text: medicine and healthcare13951275GPT-5.4 Mini
LMArena Text: legal and government14141285GPT-5.4 Mini
LMArena Text: business and finance14181257GPT-5.4 Mini
Neither model has a result on the other 3 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
Web design benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
Design Arena: websitesNot measured750Only Llama 4 Scout measured
Design Arena: UI componentsNot measured767Only Llama 4 Scout measured
Design Arena: game devNot measured773Only Llama 4 Scout measured
Design Arena: data vizNot measured896Only Llama 4 Scout measured
Design Arena: all code categoriesNot measured790Only 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 index280
General benchmarks for GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
SAGE (Vals AI)50.8%34.8%GPT-5.4 Mini
MedScribe (Vals AI)Not measured50.6%Only Llama 4 Scout measured
Vals Multimodal Index54.2%Not measuredOnly GPT-5.4 Mini measured
IFBench73.3%39.5%GPT-5.4 Mini
Long context reasoning (AA-LCR)77.0%27.7%GPT-5.4 Mini
DTBench80.0%57.9%GPT-5.4 Mini
LMCA40.8%12.0%GPT-5.4 Mini
Fiction.LiveBenchNot measured36.0%Only Llama 4 Scout measured
LMArena Text14121279GPT-5.4 Mini
LMArena Text: instruction following14051248GPT-5.4 Mini
LMArena Text: creative writing13701249GPT-5.4 Mini
LMArena Vision12451118GPT-5.4 Mini
LMArena Text: English14121304GPT-5.4 Mini
LMArena Text: non-English14051252GPT-5.4 Mini
LMArena Text: Chinese14461255GPT-5.4 Mini
LMArena Text: German14081273GPT-5.4 Mini
LMArena Text: Japanese13751206GPT-5.4 Mini
LMArena Text: Korean13701207GPT-5.4 Mini
LMArena Text: French14411283GPT-5.4 Mini
LMArena Text: Spanish14051278GPT-5.4 Mini
LMArena Text: Russian14171263GPT-5.4 Mini
LMArena Text: Polish14151265GPT-5.4 Mini
LMArena Text: multi-turn14291280GPT-5.4 Mini
LMArena Text: longer queries14081265GPT-5.4 Mini
LMArena Text: writing and language13931269GPT-5.4 Mini
LMArena Text: entertainment and media13731242GPT-5.4 Mini
LMArena Vision: English12441143GPT-5.4 Mini
LMArena Vision: Chinese12861106GPT-5.4 Mini
LMArena Vision: reading text12531117GPT-5.4 Mini
LMArena Vision: humor12351102GPT-5.4 Mini
LMArena Vision: recognizing things1218Not measuredOnly GPT-5.4 Mini measured
LMArena Vision: creative writing12221126GPT-5.4 Mini
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 GPT-5.4 Mini and Llama 4 Scout
BenchmarkGPT-5.4 MiniLlama 4 ScoutLeader
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

GPT-5.4 Mini$0.0030Fits in one request
Llama 4 Scout$0.0003Fits in one request

Llama 4 Scout costs less

Repository review

50K input + 3K output tokens

GPT-5.4 Mini$0.051Fits in one request
Llama 4 Scout$0.0059Fits in one request

Llama 4 Scout costs less

Agent loop

200K input + 10K output tokens

GPT-5.4 Mini$0.195Fits in one request
Llama 4 Scout$0.023Fits in one request

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 GPT-5.4 Mini and Llama 4 Scout
SpecificationOpenAI GPT-5.4 MiniMeta Llama 4 Scout
MakerOpenAIMeta Llama
WeightsNo public weights listedOpen weights
ReleasedMarch 17, 2026April 5, 2025
Context window400K1.31M
Input $/Mtok$0.75$0.10
Output $/Mtok$4.50$0.30
Coding index28.29.1
Independent measurements behind it11
Cost per solved task$0.70$1.276
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-5.4 Mini better than Llama 4 Scout for coding?

Pick GPT-5.4 Mini for coding: it scores 28.2 on the Vibe Coding Index against 9.1 for Llama 4 Scout. Pick Llama 4 Scout when output tokens cost 15.0x less, or when the context window is larger, 1.31M against 400K tokens.

Which is cheaper, GPT-5.4 Mini or Llama 4 Scout?

GPT-5.4 Mini costs $0.75 per million input tokens and $4.50 per million output tokens; Llama 4 Scout costs $0.10 and $0.30. Per solved SWE-bench Verified task, GPT-5.4 Mini costs $0.70 and Llama 4 Scout $1.276.

Which has the bigger context window, GPT-5.4 Mini or Llama 4 Scout?

Llama 4 Scout, with 1.31M tokens against 400K.

How many benchmarks is the GPT-5.4 Mini vs Llama 4 Scout comparison based on?

62 benchmarks have a result for both models as of October 21, 2026. GPT-5.4 Mini's coding index rests on 1 independent benchmark and Llama 4 Scout's on 1. Where only one model has a result, the page says so instead of naming a winner.

Compare next