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Nova Pro 1.0 vs Claude Sonnet 4.5

Updated October 21, 2026. 29 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Nova Pro 1.0 Replace Claude Sonnet 4.5
Nova Pro 1.0Amazon
Coding
No data
Overall
7.0
Output $/M
$3.20
0
Claude Sonnet 4.5Anthropic
Coding
39.5
Overall
20.7
Output $/M
$15.00
29
vs boards won of 29 shared

Decision reading

Only Claude Sonnet 4.5 has a coding score, 39.5 on the Vibe Coding Index; Nova Pro 1.0 has none, so the two cannot be ranked on coding.

Nova Pro 1.0 has the edge where output tokens cost 4.7x less.

Model ANova Pro 1.0AmazonNot benchmarkedNo coding benchmarkNo cost per solved taskModel BClaude Sonnet 4.5Anthropic39.5/1003 independent benchmarks$1.16 per solved task
Shared results
29
Nova Pro 1.0 only
13
Claude Sonnet 4.5 only
63
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 Pro 1.0 not benchmarked, Claude Sonnet 4.5 39.5 from 3 benchmarks.
Widest category
Web design, 49.3 points apart on average over 1 shared benchmark.
Widest single gap
Design Arena: websites: Nova Pro 1.0 796 against Claude Sonnet 4.5 1190, 49.3 points apart on a 0 to 100 scale.
Output price
Nova Pro 1.0 $3.20 against Claude Sonnet 4.5 $15.00 per million output tokens, 4.7x apart.
Context window
Nova Pro 1.0 takes 300K tokens, Claude Sonnet 4.5 1M.

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 Sonnet 4.5Ties
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 Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
SWE-bench VerifiedNot measured74.8%Only Claude Sonnet 4.5 measured
SWE-bench MultilingualNot measured67.0%Only Claude Sonnet 4.5 measured
LMArena WebDevNot measured1394Only Claude Sonnet 4.5 measured
AA Coding IndexNot measured52.1Only Claude Sonnet 4.5 measured
LiveCodeBench (Vals AI)Not measured73.0%Only Claude Sonnet 4.5 measured
SWE-bench Verified (Vals AI)Not measured70.0%Only Claude Sonnet 4.5 measured
Vibe Code Bench (Vals AI)Not measured22.6%Only Claude Sonnet 4.5 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 measured46.5%Only Claude Sonnet 4.5 measured
GSO-BenchNot measured14.7%Only Claude Sonnet 4.5 measured
WeirdMLNot measured47.7%Only Claude Sonnet 4.5 measured
CybenchNot measured60.0%Only Claude Sonnet 4.5 measured
LMArena Text: coding12701488Claude Sonnet 4.5
LMArena Text: software and IT12711473Claude Sonnet 4.5
LMArena WebDev: ReactNot measured1386Only Claude Sonnet 4.5 measured
LMArena WebDev: HTMLNot measured1399Only Claude Sonnet 4.5 measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nova Pro 1.0 and Claude Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
AA Intelligence Index7.020.7Claude Sonnet 4.5
Epoch Capabilities IndexNot measured146.7Only Claude Sonnet 4.5 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index11 boards, none shared
Agentic work benchmarks for Nova Pro 1.0 and Claude Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
AA Agentic IndexNot measured15.8Only Claude Sonnet 4.5 measured
Design Arena: agents building web appsNot measured1059Only Claude Sonnet 4.5 measured
Design Arena: agents building full-stack appsNot measured1050Only Claude Sonnet 4.5 measured
Design Arena: agents building mobile appsNot measured1137Only Claude Sonnet 4.5 measured
τ²-Bench Telecom14.0%Not measuredOnly Nova Pro 1.0 measured
METR time horizonsNot measured67.4%Only Claude Sonnet 4.5 measured
Remote Labor IndexNot measured2.1%Only Claude Sonnet 4.5 measured
GDPvalNot measured42.5%Only Claude Sonnet 4.5 measured
DeepResearch BenchNot measured52.6%Only Claude Sonnet 4.5 measured
OSWorldNot measured62.9%Only Claude Sonnet 4.5 measured
Vending-Bench 2Not measured$3,839Only Claude Sonnet 4.5 measured
Neither model has a result on the other 28 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index03
Reasoning benchmarks for Nova Pro 1.0 and Claude Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
GPQA DiamondNot measured81.6%Only Claude Sonnet 4.5 measured
MMMU Pro (Vals AI)Not measured79.3%Only Claude Sonnet 4.5 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 measured82.3%Only Claude Sonnet 4.5 measured
ARC-AGINot measured63.7%Only Claude Sonnet 4.5 measured
ARC-AGI-2Not measured13.6%Only Claude Sonnet 4.5 measured
SimpleBenchNot measured54.3%Only Claude Sonnet 4.5 measured
Chess puzzlesNot measured10.0%Only Claude Sonnet 4.5 measured
Mystery game puzzlesNot measured17.0%Only Claude Sonnet 4.5 measured
EBR-benchNot measured2.4%Only Claude Sonnet 4.5 measured
VPCTNot measured39.8%Only Claude Sonnet 4.5 measured
LMArena Text: hard prompts12461462Claude Sonnet 4.5
LMArena Text: expert12111483Claude Sonnet 4.5
LMArena Text: hard prompts in English12591471Claude Sonnet 4.5
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Nova Pro 1.0 and Claude Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
AIMENot measured88.2%Only Claude Sonnet 4.5 measured
MGSM (Vals AI)Not measured94.3%Only Claude Sonnet 4.5 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 measured77.8%Only Claude Sonnet 4.5 measured
FrontierMath, tiers 1 to 3Not measured23.9%Only Claude Sonnet 4.5 measured
FrontierMath, tier 4Not measured2.4%Only Claude Sonnet 4.5 measured
ProofBenchNot measured19.0%Only Claude Sonnet 4.5 measured
MATH level 5Not measured97.7%Only Claude Sonnet 4.5 measured
LMArena Text: math12521449Claude Sonnet 4.5
LMArena Text: mathematical work12611462Claude Sonnet 4.5
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Nova Pro 1.0 and Claude Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
MMLU ProNot measured87.4%Only Claude Sonnet 4.5 measured
LegalBench (Vals AI)Not measured84.1%Only Claude Sonnet 4.5 measured
CaseLaw (Vals AI)Not measured62.2%Only Claude Sonnet 4.5 measured
CorpFin (Vals AI)Not measured62.0%Only Claude Sonnet 4.5 measured
TaxEval (Vals AI)Not measured73.3%Only Claude Sonnet 4.5 measured
MortgageTax (Vals AI)Not measured64.0%Only Claude Sonnet 4.5 measured
MedQA (Vals AI)Not measured94.7%Only Claude Sonnet 4.5 measured
MedCode (Vals AI)Not measured44.1%Only Claude Sonnet 4.5 measured
MMLU Pro (Artificial Analysis run)69.1%Not measuredOnly Nova Pro 1.0 measured
SimpleQA VerifiedNot measured30.7%Only Claude Sonnet 4.5 measured
MMLU82.0%Not measuredOnly Nova Pro 1.0 measured
LMArena Text: science12551448Claude Sonnet 4.5
LMArena Text: medicine and healthcare12601444Claude Sonnet 4.5
LMArena Text: legal and government12811451Claude Sonnet 4.5
LMArena Text: business and finance12291440Claude Sonnet 4.5
Neither model has a result on the other 2 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 Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
Design Arena: websites7961190Claude Sonnet 4.5
Design Arena: UI componentsNot measured1173Only Claude Sonnet 4.5 measured
Design Arena: game devNot measured1166Only Claude Sonnet 4.5 measured
Design Arena: data vizNot measured1167Only Claude Sonnet 4.5 measured
Design Arena: 3DNot measured1158Only Claude Sonnet 4.5 measured
Design Arena: all code categoriesNot measured1183Only Claude Sonnet 4.5 measured
Design Arena: SVGNot measured1115Only Claude Sonnet 4.5 measured
Design Arena: ASCII artNot measured1204Only Claude Sonnet 4.5 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 Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
SAGE (Vals AI)Not measured36.1%Only Claude Sonnet 4.5 measured
MedScribe (Vals AI)Not measured84.5%Only Claude Sonnet 4.5 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 measured83.2%Only Claude Sonnet 4.5 measured
LMCANot measured38.8%Only Claude Sonnet 4.5 measured
LMArena Text12591438Claude Sonnet 4.5
LMArena Text: instruction following12351459Claude Sonnet 4.5
LMArena Text: creative writing12121442Claude Sonnet 4.5
LMArena Vision980Not measuredOnly Nova Pro 1.0 measured
LMArena Text: English12761450Claude Sonnet 4.5
LMArena Text: non-English12331425Claude Sonnet 4.5
LMArena Text: Chinese12441460Claude Sonnet 4.5
LMArena Text: German12431427Claude Sonnet 4.5
LMArena Text: Japanese12001390Claude Sonnet 4.5
LMArena Text: Korean12031402Claude Sonnet 4.5
LMArena Text: French12711459Claude Sonnet 4.5
LMArena Text: Spanish11821458Claude Sonnet 4.5
LMArena Text: Russian12401437Claude Sonnet 4.5
LMArena Text: PolishNot measured1423Only Claude Sonnet 4.5 measured
LMArena Text: multi-turn12461465Claude Sonnet 4.5
LMArena Text: longer queries12551475Claude Sonnet 4.5
LMArena Text: writing and language12471442Claude Sonnet 4.5
LMArena Text: entertainment and media12101428Claude Sonnet 4.5
LMArena Vision: English987Not measuredOnly Nova Pro 1.0 measured
LMArena DocumentNot measured1450Only Claude Sonnet 4.5 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 Sonnet 4.5
BenchmarkNova Pro 1.0Claude Sonnet 4.5Leader
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 Sonnet 4.5$0.011Fits 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 Sonnet 4.5$0.195Fits 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 Sonnet 4.5$0.750Fits in one request

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 Sonnet 4.5
SpecificationAmazon Nova Pro 1.0Anthropic Claude Sonnet 4.5
MakerAmazonAnthropic
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024September 29, 2025
Context window300K1M
Input $/Mtok$0.80$3.00
Output $/Mtok$3.20$15.00
Coding indexNot benchmarked39.5
Independent measurements behind it03
Cost per solved taskNot computable$1.16
SourceOpenRouter listingOpenRouter listing

Questions

Is Nova Pro 1.0 better than Claude Sonnet 4.5 for coding?

Only Claude Sonnet 4.5 has a coding score, 39.5 on the Vibe Coding Index; Nova Pro 1.0 has none, so the two cannot be ranked on coding. Nova Pro 1.0 has the edge where output tokens cost 4.7x less.

Which is cheaper, Nova Pro 1.0 or Claude Sonnet 4.5?

Nova Pro 1.0 costs $0.80 per million input tokens and $3.20 per million output tokens; Claude Sonnet 4.5 costs $3.00 and $15.00. Cost per solved task is known for Claude Sonnet 4.5 only.

Which has the bigger context window, Nova Pro 1.0 or Claude Sonnet 4.5?

Claude Sonnet 4.5, with 1M tokens against 300K.

How many benchmarks is the Nova Pro 1.0 vs Claude Sonnet 4.5 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 Sonnet 4.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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