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Nova Pro 1.0 vs Solar Pro 4

Solar Pro 4 leads Nova Pro 1.0 on the Artificial Analysis Intelligence Index, 28.2 to 7.0, and Solar Pro 4 costs 5.3x less per output token ($0.60 vs $3.20 per million). Updated October 21, 2026; 32 benchmarks have a result for both.

Nova Pro 1.0Amazon
Coding
No data
Overall
No data
Output $/M
$3.20
0
Solar Pro 4Upstage
Coding
No data
Overall
No data
Output $/M
$0.60
32
vs boards won of 32 shared

Nova Pro 1.0 or Solar Pro 4: which to pick

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

Pick Nova Pro 1.0 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Shared results
32
Nova Pro 1.0 only
10
Solar Pro 4 only
13
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, Solar Pro 4 not benchmarked.
Widest category
Web design, 47.5 points apart on average over 1 shared benchmark.
Widest single gap
Long context reasoning (AA-LCR): Nova Pro 1.0 21.0% against Solar Pro 4 70.7%, 49.7 points apart on a 0 to 100 scale.
Output price
Nova Pro 1.0 $3.20 against Solar Pro 4 $0.60 per million output tokens, 5.3x apart.
Context window
Nova Pro 1.0 takes 300K tokens, Solar Pro 4 524K.

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 1.0BarsSolar Pro 4Ties
Coding02
Intelligence01
Reasoning05
Math02
Knowledge04
Web design01
General017
All shared boards032
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
LMArena WebDevNot measured1371Only Solar Pro 4 measured
AA Coding IndexNot measured52.7Only Solar Pro 4 measured
LiveCodeBench (Artificial Analysis run)23.3%Not measuredOnly Nova Pro 1.0 measured
SciCodeNot measured48.0%Only Solar Pro 4 measured
Terminal-Bench Hard (Artificial Analysis run)6.1%Not measuredOnly Nova Pro 1.0 measured
ALE-BenchNot measured179.3Only Solar Pro 4 measured
LMArena Text: coding12701438Solar Pro 4
LMArena Text: software and IT12711431Solar Pro 4
LMArena WebDev: ReactNot measured1363Only Solar Pro 4 measured
LMArena WebDev: HTMLNot measured1371Only Solar Pro 4 measured
Neither model has a result on the other 29 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
AA Intelligence Index7.028.2Solar Pro 4
Neither model has a result on the other 1 board here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Agentic work benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
Design Arena: agents building web appsNot measured1105Only Solar Pro 4 measured
τ²-Bench Telecom14.0%Not measuredOnly Nova Pro 1.0 measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
GPQA Diamond (Artificial Analysis run)49.9%89.1%Solar Pro 4
Humanity's Last Exam (Artificial Analysis run)3.2%29.8%Solar Pro 4
LMArena Text: hard prompts12461400Solar Pro 4
LMArena Text: expert12111428Solar Pro 4
LMArena Text: hard prompts in English12591427Solar Pro 4
Neither model has a result on the other 17 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
AA Math Index7.0Not measuredOnly Nova Pro 1.0 measured
AIME 2025 (Artificial Analysis run)7.0%Not measuredOnly Nova Pro 1.0 measured
LMArena Text: math12521421Solar Pro 4
LMArena Text: mathematical work12611427Solar Pro 4
Neither model has a result on the other 9 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
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: science12551404Solar Pro 4
LMArena Text: medicine and healthcare12601374Solar Pro 4
LMArena Text: legal and government12811383Solar Pro 4
LMArena Text: business and finance12291381Solar Pro 4
Neither model has a result on the other 12 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index01
Web design benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
Design Arena: websites7961176Solar Pro 4
Design Arena: UI componentsNot measured1150Only Solar Pro 4 measured
Design Arena: game devNot measured1170Only Solar Pro 4 measured
Design Arena: data vizNot measured1177Only Solar Pro 4 measured
Design Arena: 3DNot measured1178Only Solar Pro 4 measured
Design Arena: all code categoriesNot measured1182Only Solar Pro 4 measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index017
General benchmarks for Nova Pro 1.0 and Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
IFBench38.1%Not measuredOnly Nova Pro 1.0 measured
Long context reasoning (AA-LCR)21.0%70.7%Solar Pro 4
LMArena Text12591388Solar Pro 4
LMArena Text: instruction following12351375Solar Pro 4
LMArena Text: creative writing12121317Solar Pro 4
LMArena Vision980Not measuredOnly Nova Pro 1.0 measured
LMArena Text: English12761414Solar Pro 4
LMArena Text: non-English12331363Solar Pro 4
LMArena Text: Chinese12441422Solar Pro 4
LMArena Text: German12431358Solar Pro 4
LMArena Text: Japanese12001320Solar Pro 4
LMArena Text: Korean12031383Solar Pro 4
LMArena Text: French12711400Solar Pro 4
LMArena Text: Spanish11821409Solar Pro 4
LMArena Text: Russian12401357Solar Pro 4
LMArena Text: PolishNot measured1304Only Solar Pro 4 measured
LMArena Text: multi-turn12461385Solar Pro 4
LMArena Text: longer queries12551382Solar Pro 4
LMArena Text: writing and language12471344Solar Pro 4
LMArena Text: entertainment and media12101332Solar Pro 4
LMArena Vision: English987Not measuredOnly Nova Pro 1.0 measured
Neither model has a result on the other 25 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 Solar Pro 4
BenchmarkNova Pro 1.0Solar Pro 4Leader
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
Solar Pro 4$0.0004Fits in one request

Solar Pro 4 costs less

Repository review

50K input + 3K output tokens

Nova Pro 1.0$0.050Fits in one request
Solar Pro 4$0.0093Fits in one request

Solar Pro 4 costs less

Agent loop

200K input + 10K output tokens

Nova Pro 1.0$0.192Fits in one request
Solar Pro 4$0.036Fits in one request

Solar Pro 4 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 Solar Pro 4
SpecificationAmazon Nova Pro 1.0Upstage Solar Pro 4
MakerAmazonUpstage
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024August 10, 2026
Context window300K524K
Input $/Mtok$0.80$0.15
Output $/Mtok$3.20$0.60
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 Solar Pro 4 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Nova Pro 1.0 for work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, Nova Pro 1.0 or Solar Pro 4?

Nova Pro 1.0 costs $0.80 per million input tokens and $3.20 per million output tokens; Solar Pro 4 costs $0.15 and $0.60. Cost per solved task is known for neither of them.

Which has the bigger context window, Nova Pro 1.0 or Solar Pro 4?

Solar Pro 4, with 524K tokens against 300K.

How many benchmarks is the Nova Pro 1.0 vs Solar Pro 4 comparison based on?

32 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 Solar Pro 4's on 1. Where only one model has a result, the page says so instead of naming a winner.

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