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Nova Pro 1.0 vs Claude Opus 4.1

Claude Opus 4.1 leads Nova Pro 1.0 on the Artificial Analysis Intelligence Index, 22.8 to 7.0, and Nova Pro 1.0 costs 23.4x less per output token ($3.20 vs $75.00 per million). Updated October 21, 2026; 29 benchmarks have a result for both.

Nova Pro 1.0Amazon
Coding
No data
Overall
No data
Output $/M
$3.20
0
Claude Opus 4.1Anthropic
Coding
No data
Overall
50.2
Output $/M
$75.00
29
vs boards won of 29 shared

Nova Pro 1.0 or Claude Opus 4.1: which to pick

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

Pick Nova Pro 1.0 for output tokens 23.4x cheaper ($3.20 vs $75.00 per million) and a larger context window (300K against 200K tokens).

Shared results
29
Nova Pro 1.0 only
13
Claude Opus 4.1 only
44
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 Pro 1.0 not benchmarked, Claude Opus 4.1 not benchmarked.
Widest category
Web design, 47.6 points apart on average over 1 shared benchmark.
Widest single gap
Design Arena: websites: Nova Pro 1.0 796 against Claude Opus 4.1 1177, 47.6 points apart on a 0 to 100 scale.
Output price
Nova Pro 1.0 $3.20 against Claude Opus 4.1 $75.00 per million output tokens, 23.4x apart.
Context window
Nova Pro 1.0 takes 300K tokens, Claude Opus 4.1 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
CategoryNova Pro 1.0BarsClaude Opus 4.1Ties
Coding02
Intelligence01
Reasoning03
Math02
Knowledge04
Web design01
General016
All shared boards029
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
LMArena WebDevNot measured1390Only Claude Opus 4.1 measured
LiveCodeBench (Vals AI)Not measured66.5%Only Claude Opus 4.1 measured
LiveCodeBench (Artificial Analysis run)23.3%Not measuredOnly Nova Pro 1.0 measured
Terminal-Bench Hard (Artificial Analysis run)6.1%Not measuredOnly Nova Pro 1.0 measured
Terminal-BenchNot measured38.0%Only Claude Opus 4.1 measured
WeirdMLNot measured45.9%Only Claude Opus 4.1 measured
CybenchNot measured42.0%Only Claude Opus 4.1 measured
LMArena Text: coding12701479Claude Opus 4.1
LMArena Text: software and IT12711456Claude Opus 4.1
LMArena WebDev: HTMLNot measured1399Only Claude Opus 4.1 measured
SciCodeNot measured4.6%Only Claude Opus 4.1 measured
Neither model has a result on the other 28 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
AA Intelligence Index7.022.8Claude Opus 4.1
Epoch Capabilities IndexNot measured144.1Only Claude Opus 4.1 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
Agentic work benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
τ²-Bench Telecom14.0%Not measuredOnly Nova Pro 1.0 measured
METR time horizonsNot measured66.8%Only Claude Opus 4.1 measured
GDPvalNot measured43.6%Only Claude Opus 4.1 measured
DeepResearch BenchNot measured48.3%Only Claude Opus 4.1 measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
Reasoning benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
GPQA DiamondNot measured76.3%Only Claude Opus 4.1 measured
MMMU Pro (Vals AI)Not measured77.5%Only Claude Opus 4.1 measured
GPQA Diamond (Artificial Analysis run)49.9%Not measuredOnly Nova Pro 1.0 measured
Humanity's Last Exam (Artificial Analysis run)3.2%Not measuredOnly Nova Pro 1.0 measured
GPQA Diamond (Epoch AI run)Not measured77.3%Only Claude Opus 4.1 measured
SimpleBenchNot measured60.0%Only Claude Opus 4.1 measured
Mystery game puzzlesNot measured21.0%Only Claude Opus 4.1 measured
EBR-benchNot measured7.9%Only Claude Opus 4.1 measured
VPCTNot measured35.0%Only Claude Opus 4.1 measured
LMArena Text: hard prompts12461442Claude Opus 4.1
LMArena Text: expert12111438Claude Opus 4.1
LMArena Text: hard prompts in English12591451Claude Opus 4.1
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
AIMENot measured78.2%Only Claude Opus 4.1 measured
MATH 500 (Vals AI)Not measured95.4%Only Claude Opus 4.1 measured
MGSM (Vals AI)Not measured94.4%Only Claude Opus 4.1 measured
AA Math Index7.0Not measuredOnly Nova Pro 1.0 measured
AIME 2025 (Artificial Analysis run)7.0%Not measuredOnly Nova Pro 1.0 measured
OTIS Mock AIMENot measured68.9%Only Claude Opus 4.1 measured
FrontierMath, tiers 1 to 3Not measured12.6%Only Claude Opus 4.1 measured
FrontierMath, tier 4Not measured2.4%Only Claude Opus 4.1 measured
LMArena Text: math12521431Claude Opus 4.1
LMArena Text: mathematical work12611434Claude Opus 4.1
Neither model has a result on the other 3 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
MMLU ProNot measured87.9%Only Claude Opus 4.1 measured
LegalBench (Vals AI)Not measured83.5%Only Claude Opus 4.1 measured
TaxEval (Vals AI)Not measured73.7%Only Claude Opus 4.1 measured
MortgageTax (Vals AI)Not measured61.1%Only Claude Opus 4.1 measured
MedQA (Vals AI)Not measured93.6%Only Claude Opus 4.1 measured
MedCode (Vals AI)Not measured47.2%Only Claude Opus 4.1 measured
MMLU Pro (Artificial Analysis run)69.1%Not measuredOnly Nova Pro 1.0 measured
MMLU82.0%Not measuredOnly Nova Pro 1.0 measured
LMArena Text: science12551422Claude Opus 4.1
LMArena Text: medicine and healthcare12601416Claude Opus 4.1
LMArena Text: legal and government12811421Claude Opus 4.1
LMArena Text: business and finance12291406Claude Opus 4.1
FACTS Benchmark SuiteNot measured40.4%Only Claude Opus 4.1 measured
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index01
Web design benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
Design Arena: websites7961177Claude Opus 4.1
Design Arena: UI componentsNot measured1165Only Claude Opus 4.1 measured
Design Arena: game devNot measured1171Only Claude Opus 4.1 measured
Design Arena: data vizNot measured1166Only Claude Opus 4.1 measured
Design Arena: 3DNot measured1153Only Claude Opus 4.1 measured
Design Arena: all code categoriesNot measured1171Only Claude Opus 4.1 measured
Design Arena: SVGNot measured1152Only Claude Opus 4.1 measured
Design Arena: ASCII artNot measured1167Only Claude Opus 4.1 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index016
General benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
SAGE (Vals AI)Not measured31.4%Only Claude Opus 4.1 measured
MedScribe (Vals AI)Not measured73.9%Only Claude Opus 4.1 measured
IFBench38.1%Not measuredOnly Nova Pro 1.0 measured
Long context reasoning (AA-LCR)21.0%Not measuredOnly Nova Pro 1.0 measured
DTBenchNot measured80.0%Only Claude Opus 4.1 measured
LMCANot measured37.1%Only Claude Opus 4.1 measured
Creative writing (Lech Mazur)Not measured84.7%Only Claude Opus 4.1 measured
LMArena Text12591419Claude Opus 4.1
LMArena Text: instruction following12351435Claude Opus 4.1
LMArena Text: creative writing12121412Claude Opus 4.1
LMArena Vision980Not measuredOnly Nova Pro 1.0 measured
LMArena Text: English12761433Claude Opus 4.1
LMArena Text: non-English12331405Claude Opus 4.1
LMArena Text: Chinese12441427Claude Opus 4.1
LMArena Text: German12431413Claude Opus 4.1
LMArena Text: Japanese12001377Claude Opus 4.1
LMArena Text: Korean12031381Claude Opus 4.1
LMArena Text: French12711433Claude Opus 4.1
LMArena Text: Spanish11821448Claude Opus 4.1
LMArena Text: Russian12401422Claude Opus 4.1
LMArena Text: PolishNot measured1413Only Claude Opus 4.1 measured
LMArena Text: multi-turn12461444Claude Opus 4.1
LMArena Text: longer queries12551455Claude Opus 4.1
LMArena Text: writing and language12471418Claude Opus 4.1
LMArena Text: entertainment and media12101398Claude Opus 4.1
LMArena Vision: English987Not measuredOnly Nova Pro 1.0 measured
Neither model has a result on the other 20 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Nova Pro 1.0 and Claude Opus 4.1
BenchmarkNova Pro 1.0Claude Opus 4.1Leader
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 Pro 1.0$0.0024Fits in one request
Claude Opus 4.1$0.052Fits in one request

Nova Pro 1.0 costs less

Repository review

50K input + 3K output tokens

Nova Pro 1.0$0.050Fits in one request
Claude Opus 4.1$0.975Fits in one request

Nova Pro 1.0 costs less

Agent loop

200K input + 10K output tokens

Nova Pro 1.0$0.192Fits in one request
Claude Opus 4.1$3.75Exceeds the context window

Nova Pro 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 Pro 1.0 and Claude Opus 4.1
SpecificationAmazon Nova Pro 1.0Anthropic Claude Opus 4.1
MakerAmazonAnthropic
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024August 5, 2025
Context window300K200K
Input $/Mtok$0.80$15.00
Output $/Mtok$3.20$75.00
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it01
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Nova Pro 1.0 better than Claude Opus 4.1 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Nova Pro 1.0 for output tokens 23.4x cheaper ($3.20 vs $75.00 per million) and a larger context window (300K against 200K tokens).

Which is cheaper, Nova Pro 1.0 or Claude Opus 4.1?

Nova Pro 1.0 costs $0.80 per million input tokens and $3.20 per million output tokens; Claude Opus 4.1 costs $15.00 and $75.00. Cost per solved task is known for neither of them.

Which has the bigger context window, Nova Pro 1.0 or Claude Opus 4.1?

Nova Pro 1.0, with 300K tokens against 200K.

How many benchmarks is the Nova Pro 1.0 vs Claude Opus 4.1 comparison based on?

29 benchmarks have a result for both models as of October 21, 2026. Nova Pro 1.0's coding index rests on 0 independent benchmarks and Claude Opus 4.1's on 1. Where only one model has a result, the page says so instead of naming a winner.

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