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Command A vs GPT-5.4 Mini

Updated October 21, 2026. 50 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Command A Replace GPT-5.4 Mini
Command ACohere
Coding
No data
Overall
13.1
Output $/M
$10.00
2
GPT-5.4 MiniOpenAI
Coding
35.8
Overall
24.1
Output $/M
$4.50
48
vs boards won of 50 shared

Decision reading

Only GPT-5.4 Mini has a coding score, 35.8 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding.

Command A has the edge where what matters is CaseLaw (Vals AI) or IFBench, where it leads.

Model ACommand ACohereNot benchmarked1 independent benchmark$2.69 per solved taskModel BGPT-5.4 MiniOpenAI35.8/1005 independent benchmarks$0.70 per solved task
Shared results
50
Command A only
10
GPT-5.4 Mini only
38
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
Command A not benchmarked, GPT-5.4 Mini 35.8 from 5 benchmarks.
Widest category
Math, 40.5 points apart on average over 3 shared benchmarks.
Widest single gap
AIME: Command A 13.3% against GPT-5.4 Mini 95.6%, 82.3 points apart on a 0 to 100 scale.
Output price
Command A $10.00 against GPT-5.4 Mini $4.50 per million output tokens, 2.2x apart.
Context window
Command A takes 256K tokens, GPT-5.4 Mini 400K.

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
CategoryCommand ABarsGPT-5.4 MiniTies
Coding08
Intelligence01
Agentic work03
Reasoning06
Math03
Knowledge17
General120
All shared boards248
CodingLike-for-likeSix of these boards feed the Vibe Coding Index08
Coding benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
LMArena WebDevNot measured1397Only GPT-5.4 Mini measured
AA Coding Index27.856.1GPT-5.4 Mini
LiveCodeBench (Vals AI)35.1%81.5%GPT-5.4 Mini
SWE-bench Verified (Vals AI)7.8%73.0%GPT-5.4 Mini
Terminal-Bench 4 (Vals AI)Not measured2.5%Only GPT-5.4 Mini measured
Vibe Code Bench (Vals AI)Not measured48.0%Only GPT-5.4 Mini measured
Code migration (Vals AI)Not measured12.9%Only GPT-5.4 Mini measured
ProgramBench (Vals AI)Not measured0.0%Only GPT-5.4 Mini measured
Terminal-Bench 2.1 (Vals AI)17.6%54.7%GPT-5.4 Mini
LiveCodeBench (Artificial Analysis run)28.7%Not measuredOnly Command A measured
SciCode38.5%52.1%GPT-5.4 Mini
Terminal-Bench Hard (Artificial Analysis run)25.0%52.3%GPT-5.4 Mini
FrontierCodeNot measured27.0%Only GPT-5.4 Mini measured
WeirdMLNot measured60.3%Only GPT-5.4 Mini measured
ALE-BenchNot measured1188.6Only GPT-5.4 Mini measured
LMArena Text: coding13301438GPT-5.4 Mini
LMArena Text: software and IT13361436GPT-5.4 Mini
LMArena WebDev: ReactNot measured1386Only GPT-5.4 Mini measured
LMArena WebDev: HTMLNot measured1419Only GPT-5.4 Mini measured
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
AA Intelligence Index13.124.1GPT-5.4 Mini
Epoch Capabilities IndexNot measured148.7Only GPT-5.4 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index03
Agentic work benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
AA Agentic Index1.017.9GPT-5.4 Mini
Finance Agent (Vals AI)9.0%45.4%GPT-5.4 Mini
Tax Agent Bench (Vals AI)Not measured8.8%Only GPT-5.4 Mini measured
Legal Research Bench (Vals AI)Not measured12.5%Only GPT-5.4 Mini measured
Excel Modeling Benchmark (Vals AI)Not measured45.4%Only GPT-5.4 Mini measured
τ²-Bench Telecom80.7%83.3%GPT-5.4 Mini
DeepResearch BenchNot measured36.3%Only 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 index06
Reasoning benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
GPQA Diamond48.5%83.1%GPT-5.4 Mini
MMMU Pro (Vals AI)Not measured79.3%Only GPT-5.4 Mini measured
GPQA Diamond (Artificial Analysis run)76.1%87.5%GPT-5.4 Mini
Humanity's Last Exam (Artificial Analysis run)12.0%28.1%GPT-5.4 Mini
GPQA Diamond (Epoch AI run)Not measured86.9%Only GPT-5.4 Mini measured
ARC-AGINot measured63.7%Only GPT-5.4 Mini measured
ARC-AGI-2Not measured18.9%Only GPT-5.4 Mini measured
Chess puzzlesNot measured23.0%Only GPT-5.4 Mini measured
Mystery game puzzlesNot measured11.0%Only GPT-5.4 Mini measured
LMArena Text: hard prompts13261424GPT-5.4 Mini
LMArena Text: expert12961435GPT-5.4 Mini
LMArena Text: hard prompts in English13351420GPT-5.4 Mini
LMArena Vision: diagramsNot measured1266Only GPT-5.4 Mini measured
LMArena Vision: homeworkNot measured1285Only GPT-5.4 Mini measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
AIME13.3%95.6%GPT-5.4 Mini
MATH 500 (Vals AI)76.2%Not measuredOnly Command A measured
MGSM (Vals AI)85.7%Not measuredOnly Command A measured
AA Math Index13.0Not measuredOnly Command A measured
AIME 2025 (Artificial Analysis run)13.0%Not measuredOnly Command A measured
OTIS Mock AIMENot measured88.9%Only GPT-5.4 Mini measured
FrontierMath, tiers 1 to 3Not measured51.2%Only GPT-5.4 Mini measured
FrontierMath, tier 4Not measured9.8%Only GPT-5.4 Mini measured
ProofBenchNot measured21.0%Only GPT-5.4 Mini measured
LMArena Text: math13001418GPT-5.4 Mini
LMArena Text: mathematical work13121429GPT-5.4 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index17
Knowledge benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
MMLU Pro69.2%84.5%GPT-5.4 Mini
LegalBench (Vals AI)79.7%Not measuredOnly Command A measured
CaseLaw (Vals AI)64.5%51.7%Command A
CorpFin (Vals AI)46.0%60.9%GPT-5.4 Mini
TaxEval (Vals AI)61.4%71.2%GPT-5.4 Mini
MortgageTax (Vals AI)Not measured63.5%Only GPT-5.4 Mini measured
MedQA (Vals AI)80.5%Not measuredOnly Command A measured
MedCode (Vals AI)19.7%Not measuredOnly Command A measured
MMLU Pro (Artificial Analysis run)71.2%Not measuredOnly Command A measured
SimpleQA VerifiedNot measured29.4%Only GPT-5.4 Mini measured
LMArena Text: science13391417GPT-5.4 Mini
LMArena Text: medicine and healthcare13341395GPT-5.4 Mini
LMArena Text: legal and government13481414GPT-5.4 Mini
LMArena Text: business and finance13151418GPT-5.4 Mini
Neither model has a result on the other 3 boards here
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
Neither model has a result on 9 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index120
General benchmarks for Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 MiniLeader
SAGE (Vals AI)Not measured50.8%Only GPT-5.4 Mini measured
MedScribe (Vals AI)55.7%Not measuredOnly Command A measured
Vals Multimodal IndexNot measured54.2%Only GPT-5.4 Mini measured
IFBench73.9%73.3%Command A
Long context reasoning (AA-LCR)52.7%77.0%GPT-5.4 Mini
DTBench61.3%80.0%GPT-5.4 Mini
LMCA10.3%40.8%GPT-5.4 Mini
LMArena Text13311412GPT-5.4 Mini
LMArena Text: instruction following13091405GPT-5.4 Mini
LMArena Text: creative writing13191370GPT-5.4 Mini
LMArena VisionNot measured1245Only GPT-5.4 Mini measured
LMArena Text: English13441412GPT-5.4 Mini
LMArena Text: non-English13131405GPT-5.4 Mini
LMArena Text: Chinese13271446GPT-5.4 Mini
LMArena Text: German13421408GPT-5.4 Mini
LMArena Text: Japanese12851375GPT-5.4 Mini
LMArena Text: Korean12851370GPT-5.4 Mini
LMArena Text: French13511441GPT-5.4 Mini
LMArena Text: Spanish13471405GPT-5.4 Mini
LMArena Text: Russian13141417GPT-5.4 Mini
LMArena Text: Polish13241415GPT-5.4 Mini
LMArena Text: multi-turn13381429GPT-5.4 Mini
LMArena Text: longer queries13341408GPT-5.4 Mini
LMArena Text: writing and language13281393GPT-5.4 Mini
LMArena Text: entertainment and media13061373GPT-5.4 Mini
LMArena Vision: EnglishNot measured1244Only GPT-5.4 Mini measured
LMArena Vision: ChineseNot measured1286Only GPT-5.4 Mini measured
LMArena Vision: reading textNot measured1253Only GPT-5.4 Mini measured
LMArena Vision: humorNot measured1235Only GPT-5.4 Mini measured
LMArena Vision: recognizing thingsNot measured1218Only GPT-5.4 Mini measured
LMArena Vision: creative writingNot measured1222Only GPT-5.4 Mini 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 Command A and GPT-5.4 Mini
BenchmarkCommand AGPT-5.4 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

Command A$0.0075Fits in one request
GPT-5.4 Mini$0.0030Fits in one request

GPT-5.4 Mini costs less

Repository review

50K input + 3K output tokens

Command A$0.155Fits in one request
GPT-5.4 Mini$0.051Fits in one request

GPT-5.4 Mini costs less

Agent loop

200K input + 10K output tokens

Command A$0.600Fits in one request
GPT-5.4 Mini$0.195Fits in one request

GPT-5.4 Mini 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 Command A and GPT-5.4 Mini
SpecificationCohere Command AOpenAI GPT-5.4 Mini
MakerCohereOpenAI
WeightsOpen weightsNo public weights listed
ReleasedMarch 13, 2025March 17, 2026
Context window256K400K
Input $/Mtok$2.50$0.75
Output $/Mtok$10.00$4.50
Coding indexNot benchmarked35.8
Independent measurements behind it15
Cost per solved task$2.69$0.70
SourceOpenRouter listingOpenRouter listing

Questions

Is Command A better than GPT-5.4 Mini for coding?

Only GPT-5.4 Mini has a coding score, 35.8 on the Vibe Coding Index; Command A has none, so the two cannot be ranked on coding. Command A has the edge where what matters is CaseLaw (Vals AI) or IFBench, where it leads.

Which is cheaper, Command A or GPT-5.4 Mini?

Command A costs $2.50 per million input tokens and $10.00 per million output tokens; GPT-5.4 Mini costs $0.75 and $4.50. Per solved SWE-bench Verified task, Command A costs $2.69 and GPT-5.4 Mini $0.70.

Which has the bigger context window, Command A or GPT-5.4 Mini?

GPT-5.4 Mini, with 400K tokens against 256K.

How many benchmarks is the Command A vs GPT-5.4 Mini comparison based on?

50 benchmarks have a result for both models as of October 21, 2026. Command A's coding index rests on 1 independent benchmark and GPT-5.4 Mini's on 5. Where only one model has a result, the page says so instead of naming a winner.

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