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Nova Micro 1.0 vs GPT-5.1

GPT-5.1 leads Nova Micro 1.0 on the Artificial Analysis Intelligence Index, 24.7 to 5.9, and Nova Micro 1.0 costs 71.4x less per output token ($0.14 vs $10.00 per million). Updated October 21, 2026; 38 benchmarks have a result for both.

Replace Nova Micro 1.0 Replace GPT-5.1
Nova Micro 1.0Amazon
Coding
No data
Overall
5.9
Output $/M
$0.14
0
GPT-5.1OpenAI
Coding
40.4
Overall
24.7
Output $/M
$10.00
38
vs boards won of 38 shared

Nova Micro 1.0 or GPT-5.1: which to pick

Only GPT-5.1 has a coding score, 40.4 on the Vibe Coding Index; Nova Micro 1.0 has none, so the two cannot be ranked on coding.

Pick Nova Micro 1.0 for output tokens 71.4x cheaper ($0.14 vs $10.00 per million).

Model ANova Micro 1.0AmazonNot benchmarkedNo coding benchmarkNo cost per solved taskModel BGPT-5.1OpenAI40.4/1003 independent benchmarks$1.02 per solved task
Shared results
38
Nova Micro 1.0 only
1
GPT-5.1 only
62
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
Nova Micro 1.0 not benchmarked, GPT-5.1 40.4 from 3 benchmarks.
Widest category
Agentic work, 67.8 points apart on average over 1 shared benchmark.
Widest single gap
AA Math Index: Nova Micro 1.0 6.0 against GPT-5.1 94.0, 88.0 points apart on a 0 to 100 scale.
Output price
Nova Micro 1.0 $0.14 against GPT-5.1 $10.00 per million output tokens, 71.4x apart.
Context window
Nova Micro 1.0 takes 128K tokens, GPT-5.1 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-5.1Ties
Coding04
Intelligence01
Agentic work01
Reasoning05
Math04
Knowledge05
General018
All shared boards038
CodingLike-for-likeSix of these boards feed the Vibe Coding Index04
Coding benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
SWE-bench VerifiedNot measured66.0%Only GPT-5.1 measured
LMArena WebDevNot measured1396Only GPT-5.1 measured
AA Coding IndexNot measured49.4Only GPT-5.1 measured
LiveCodeBench (Vals AI)Not measured86.5%Only GPT-5.1 measured
SWE-bench Verified (Vals AI)Not measured69.8%Only GPT-5.1 measured
Vibe Code Bench (Vals AI)Not measured24.6%Only GPT-5.1 measured
LiveCodeBench (Artificial Analysis run)14.0%86.8%GPT-5.1
Terminal-Bench Hard (Artificial Analysis run)1.5%45.5%GPT-5.1
Terminal-BenchNot measured47.6%Only GPT-5.1 measured
GSO-BenchNot measured13.7%Only GPT-5.1 measured
WeirdMLNot measured60.8%Only GPT-5.1 measured
LMArena Text: coding12181453GPT-5.1
LMArena Text: software and IT12151454GPT-5.1
LMArena WebDev: ReactNot measured1307Only GPT-5.1 measured
LMArena WebDev: HTMLNot measured1405Only GPT-5.1 measured
LMArena WebDev: from an imageNot measured1421Only GPT-5.1 measured
Neither model has a result on the other 22 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
AA Intelligence Index5.924.7GPT-5.1
Epoch Capabilities IndexNot measured149.8Only GPT-5.1 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
τ²-Bench Telecom14.0%81.9%GPT-5.1
DeepResearch BenchNot measured42.8%Only GPT-5.1 measured
Vending-Bench 2Not measured$1,473Only GPT-5.1 measured
Neither model has a result on the other 36 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
GPQA DiamondNot measured86.6%Only GPT-5.1 measured
MMMU Pro (Vals AI)Not measured83.2%Only GPT-5.1 measured
GPQA Diamond (Artificial Analysis run)35.8%87.3%GPT-5.1
Humanity's Last Exam (Artificial Analysis run)4.6%28.5%GPT-5.1
GPQA Diamond (Epoch AI run)Not measured87.6%Only GPT-5.1 measured
ARC-AGINot measured72.8%Only GPT-5.1 measured
ARC-AGI-2Not measured17.6%Only GPT-5.1 measured
SimpleBenchNot measured53.2%Only GPT-5.1 measured
Chess puzzlesNot measured42.0%Only GPT-5.1 measured
Mystery game puzzlesNot measured19.0%Only GPT-5.1 measured
VPCTNot measured58.7%Only GPT-5.1 measured
LMArena Text: hard prompts11911457GPT-5.1
LMArena Text: expert11831470GPT-5.1
LMArena Text: hard prompts in English12031462GPT-5.1
LMArena Vision: diagramsNot measured1264Only GPT-5.1 measured
LMArena Vision: homeworkNot measured1272Only GPT-5.1 measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index04
Math benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
AIMENot measured93.3%Only GPT-5.1 measured
MGSM (Vals AI)Not measured93.0%Only GPT-5.1 measured
AA Math Index6.094.0GPT-5.1
AIME 2025 (Artificial Analysis run)6.0%94.0%GPT-5.1
OTIS Mock AIMENot measured88.6%Only GPT-5.1 measured
LMArena Text: math12061446GPT-5.1
LMArena Text: mathematical work12121449GPT-5.1
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index05
Knowledge benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
MMLU ProNot measured86.4%Only GPT-5.1 measured
LegalBench (Vals AI)Not measured85.7%Only GPT-5.1 measured
CaseLaw (Vals AI)Not measured73.4%Only GPT-5.1 measured
CorpFin (Vals AI)Not measured63.8%Only GPT-5.1 measured
TaxEval (Vals AI)Not measured74.9%Only GPT-5.1 measured
MortgageTax (Vals AI)Not measured61.4%Only GPT-5.1 measured
MedQA (Vals AI)Not measured96.4%Only GPT-5.1 measured
MedCode (Vals AI)Not measured52.7%Only GPT-5.1 measured
MMLU Pro (Artificial Analysis run)53.1%87.0%GPT-5.1
SimpleQA VerifiedNot measured48.0%Only GPT-5.1 measured
MMLU70.8%Not measuredOnly Nova Micro 1.0 measured
LMArena Text: science12101459GPT-5.1
LMArena Text: medicine and healthcare12071456GPT-5.1
LMArena Text: legal and government12211459GPT-5.1
LMArena Text: business and finance11821431GPT-5.1
Neither model has a result on the other 2 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
Design Arena: websitesNot measured1187Only GPT-5.1 measured
Design Arena: UI componentsNot measured1166Only GPT-5.1 measured
Design Arena: game devNot measured1179Only GPT-5.1 measured
Design Arena: data vizNot measured1204Only GPT-5.1 measured
Design Arena: 3DNot measured1061Only GPT-5.1 measured
Design Arena: all code categoriesNot measured1171Only GPT-5.1 measured
Design Arena: SVGNot measured1149Only GPT-5.1 measured
Design Arena: ASCII artNot measured1119Only GPT-5.1 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index018
General benchmarks for Nova Micro 1.0 and GPT-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
SAGE (Vals AI)Not measured43.2%Only GPT-5.1 measured
MedScribe (Vals AI)Not measured88.1%Only GPT-5.1 measured
IFBench29.4%72.9%GPT-5.1
Long context reasoning (AA-LCR)13.0%80.0%GPT-5.1
DTBenchNot measured90.1%Only GPT-5.1 measured
LMCANot measured43.9%Only GPT-5.1 measured
CL-benchNot measured23.7%Only GPT-5.1 measured
CL-bench LifeNot measured17.3%Only GPT-5.1 measured
LMArena Text12081443GPT-5.1
LMArena Text: instruction following11741443GPT-5.1
LMArena Text: creative writing11721427GPT-5.1
LMArena VisionNot measured1250Only GPT-5.1 measured
LMArena Text: English12241451GPT-5.1
LMArena Text: non-English11861431GPT-5.1
LMArena Text: Chinese12091495GPT-5.1
LMArena Text: German11921438GPT-5.1
LMArena Text: Japanese11541453GPT-5.1
LMArena Text: Korean11501401GPT-5.1
LMArena Text: French12381450GPT-5.1
LMArena Text: Spanish12251433GPT-5.1
LMArena Text: Russian11851435GPT-5.1
LMArena Text: PolishNot measured1440Only GPT-5.1 measured
LMArena Text: multi-turn11781450GPT-5.1
LMArena Text: longer queries12051448GPT-5.1
LMArena Text: writing and language11921428GPT-5.1
LMArena Text: entertainment and media11631415GPT-5.1
LMArena Vision: EnglishNot measured1252Only GPT-5.1 measured
LMArena Vision: ChineseNot measured1270Only GPT-5.1 measured
LMArena Vision: reading textNot measured1255Only GPT-5.1 measured
LMArena Vision: humorNot measured1263Only GPT-5.1 measured
LMArena Vision: captioningNot measured1252Only GPT-5.1 measured
LMArena Vision: recognizing thingsNot measured1232Only GPT-5.1 measured
LMArena Vision: creative writingNot measured1266Only GPT-5.1 measured
LMArena DocumentNot measured1403Only GPT-5.1 measured
Neither model has a result on the other 12 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-5.1
BenchmarkNova Micro 1.0GPT-5.1Leader
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

Nova Micro 1.0$0.0001Fits in one request
GPT-5.1$0.0063Fits 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-5.1$0.092Fits 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-5.1$0.350Fits 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-5.1
SpecificationAmazon Nova Micro 1.0OpenAI GPT-5.1
MakerAmazonOpenAI
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024November 13, 2025
Context window128K400K
Input $/Mtok$0.035$1.25
Output $/Mtok$0.14$10.00
Coding indexNot benchmarked40.4
Independent measurements behind it03
Cost per solved taskNot computable$1.02
SourceOpenRouter listingOpenRouter listing

Questions

Is Nova Micro 1.0 better than GPT-5.1 for coding?

Only GPT-5.1 has a coding score, 40.4 on the Vibe Coding Index; Nova Micro 1.0 has none, so the two cannot be ranked on coding. Pick Nova Micro 1.0 for output tokens 71.4x cheaper ($0.14 vs $10.00 per million).

Which is cheaper, Nova Micro 1.0 or GPT-5.1?

Nova Micro 1.0 costs $0.035 per million input tokens and $0.14 per million output tokens; GPT-5.1 costs $1.25 and $10.00. Cost per solved task is known for GPT-5.1 only.

Which has the bigger context window, Nova Micro 1.0 or GPT-5.1?

GPT-5.1, with 400K tokens against 128K.

How many benchmarks is the Nova Micro 1.0 vs GPT-5.1 comparison based on?

38 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-5.1's on 3. Where only one model has a result, the page says so instead of naming a winner.

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