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Nova Micro 1.0 vs GPT-5.4 Mini

Updated October 21, 2026. 34 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Nova Micro 1.0 Replace GPT-5.4 Mini
Nova Micro 1.0Amazon
Coding
No data
Overall
5.9
Output $/M
$0.14
0
GPT-5.4 MiniOpenAI
Coding
35.8
Overall
24.1
Output $/M
$4.50
34
vs boards won of 34 shared

Decision reading

Only GPT-5.4 Mini has a coding score, 35.8 on the Vibe Coding Index; Nova Micro 1.0 has none, so the two cannot be ranked on coding.

Nova Micro 1.0 has the edge where output tokens cost 32.1x less.

Model ANova Micro 1.0AmazonNot benchmarkedNo coding benchmarkNo cost per solved taskModel BGPT-5.4 MiniOpenAI35.8/1005 independent benchmarks$0.70 per solved task
Shared results
34
Nova Micro 1.0 only
5
GPT-5.4 Mini only
54
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
Nova Micro 1.0 not benchmarked, GPT-5.4 Mini 35.8 from 5 benchmarks.
Widest category
Agentic work, 69.3 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: Nova Micro 1.0 14.0% against GPT-5.4 Mini 83.3%, 69.3 points apart on a 0 to 100 scale.
Output price
Nova Micro 1.0 $0.14 against GPT-5.4 Mini $4.50 per million output tokens, 32.1x apart.
Context window
Nova Micro 1.0 takes 128K 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
CategoryNova Micro 1.0BarsGPT-5.4 MiniTies
Coding03
Intelligence01
Agentic work01
Reasoning05
Math02
Knowledge04
General018
All shared boards034
CodingLike-for-likeSix of these boards feed the Vibe Coding Index03
Coding benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
LMArena WebDevNot measured1397Only GPT-5.4 Mini measured
AA Coding IndexNot measured56.1Only GPT-5.4 Mini measured
LiveCodeBench (Vals AI)Not measured81.5%Only GPT-5.4 Mini measured
SWE-bench Verified (Vals AI)Not measured73.0%Only GPT-5.4 Mini measured
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)Not measured54.7%Only GPT-5.4 Mini measured
LiveCodeBench (Artificial Analysis run)14.0%Not measuredOnly Nova Micro 1.0 measured
SciCodeNot measured52.1%Only GPT-5.4 Mini measured
Terminal-Bench Hard (Artificial Analysis run)1.5%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: coding12181438GPT-5.4 Mini
LMArena Text: software and IT12151436GPT-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 Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
AA Intelligence Index5.924.1GPT-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 index01
Agentic work benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
AA Agentic IndexNot measured17.9Only GPT-5.4 Mini measured
Finance Agent (Vals AI)Not measured45.4%Only GPT-5.4 Mini measured
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 Telecom14.0%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 index05
Reasoning benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
GPQA DiamondNot measured83.1%Only GPT-5.4 Mini measured
MMMU Pro (Vals AI)Not measured79.3%Only GPT-5.4 Mini measured
GPQA Diamond (Artificial Analysis run)35.8%87.5%GPT-5.4 Mini
Humanity's Last Exam (Artificial Analysis run)4.6%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 prompts11911424GPT-5.4 Mini
LMArena Text: expert11831435GPT-5.4 Mini
LMArena Text: hard prompts in English12031420GPT-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 index02
Math benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
AIMENot measured95.6%Only GPT-5.4 Mini measured
AA Math Index6.0Not measuredOnly Nova Micro 1.0 measured
AIME 2025 (Artificial Analysis run)6.0%Not measuredOnly Nova Micro 1.0 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: math12061418GPT-5.4 Mini
LMArena Text: mathematical work12121429GPT-5.4 Mini
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
MMLU ProNot measured84.5%Only GPT-5.4 Mini measured
CaseLaw (Vals AI)Not measured51.7%Only GPT-5.4 Mini measured
CorpFin (Vals AI)Not measured60.9%Only GPT-5.4 Mini measured
TaxEval (Vals AI)Not measured71.2%Only GPT-5.4 Mini measured
MortgageTax (Vals AI)Not measured63.5%Only GPT-5.4 Mini measured
MMLU Pro (Artificial Analysis run)53.1%Not measuredOnly Nova Micro 1.0 measured
SimpleQA VerifiedNot measured29.4%Only GPT-5.4 Mini measured
MMLU70.8%Not measuredOnly Nova Micro 1.0 measured
LMArena Text: science12101417GPT-5.4 Mini
LMArena Text: medicine and healthcare12071395GPT-5.4 Mini
LMArena Text: legal and government12211414GPT-5.4 Mini
LMArena Text: business and finance11821418GPT-5.4 Mini
Neither model has a result on the other 5 boards here
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
Neither model has a result on 9 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index018
General benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-5.4 MiniLeader
SAGE (Vals AI)Not measured50.8%Only GPT-5.4 Mini measured
Vals Multimodal IndexNot measured54.2%Only GPT-5.4 Mini measured
IFBench29.4%73.3%GPT-5.4 Mini
Long context reasoning (AA-LCR)13.0%77.0%GPT-5.4 Mini
DTBenchNot measured80.0%Only GPT-5.4 Mini measured
LMCANot measured40.8%Only GPT-5.4 Mini measured
LMArena Text12081412GPT-5.4 Mini
LMArena Text: instruction following11741405GPT-5.4 Mini
LMArena Text: creative writing11721370GPT-5.4 Mini
LMArena VisionNot measured1245Only GPT-5.4 Mini measured
LMArena Text: English12241412GPT-5.4 Mini
LMArena Text: non-English11861405GPT-5.4 Mini
LMArena Text: Chinese12091446GPT-5.4 Mini
LMArena Text: German11921408GPT-5.4 Mini
LMArena Text: Japanese11541375GPT-5.4 Mini
LMArena Text: Korean11501370GPT-5.4 Mini
LMArena Text: French12381441GPT-5.4 Mini
LMArena Text: Spanish12251405GPT-5.4 Mini
LMArena Text: Russian11851417GPT-5.4 Mini
LMArena Text: PolishNot measured1415Only GPT-5.4 Mini measured
LMArena Text: multi-turn11781429GPT-5.4 Mini
LMArena Text: longer queries12051408GPT-5.4 Mini
LMArena Text: writing and language11921393GPT-5.4 Mini
LMArena Text: entertainment and media11631373GPT-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 16 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Nova Micro 1.0 and GPT-5.4 Mini
BenchmarkNova Micro 1.0GPT-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

Nova Micro 1.0$0.0001Fits in one request
GPT-5.4 Mini$0.0030Fits in one request

Nova Micro 1.0 costs less

Repository review

50K input + 3K output tokens

Nova Micro 1.0$0.0022Fits in one request
GPT-5.4 Mini$0.051Fits in one request

Nova Micro 1.0 costs less

Agent loop

200K input + 10K output tokens

Nova Micro 1.0$0.0084Exceeds the context window
GPT-5.4 Mini$0.195Fits in one request

Nova Micro 1.0 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 Nova Micro 1.0 and GPT-5.4 Mini
SpecificationAmazon Nova Micro 1.0OpenAI GPT-5.4 Mini
MakerAmazonOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024March 17, 2026
Context window128K400K
Input $/Mtok$0.035$0.75
Output $/Mtok$0.14$4.50
Coding indexNot benchmarked35.8
Independent measurements behind it05
Cost per solved taskNot computable$0.70
SourceOpenRouter listingOpenRouter listing

Questions

Is Nova Micro 1.0 better than GPT-5.4 Mini for coding?

Only GPT-5.4 Mini has a coding score, 35.8 on the Vibe Coding Index; Nova Micro 1.0 has none, so the two cannot be ranked on coding. Nova Micro 1.0 has the edge where output tokens cost 32.1x less.

Which is cheaper, Nova Micro 1.0 or GPT-5.4 Mini?

Nova Micro 1.0 costs $0.035 per million input tokens and $0.14 per million output tokens; GPT-5.4 Mini costs $0.75 and $4.50. Cost per solved task is known for GPT-5.4 Mini only.

Which has the bigger context window, Nova Micro 1.0 or GPT-5.4 Mini?

GPT-5.4 Mini, with 400K tokens against 128K.

How many benchmarks is the Nova Micro 1.0 vs GPT-5.4 Mini comparison based on?

34 benchmarks have a result for both models as of October 21, 2026. Nova Micro 1.0's coding index rests on 0 independent benchmarks 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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