Model comparison

o1-pro vs Solar Pro4

Solar Pro4 is the stronger model overall, scoring 42.1 to 31.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

o1-pro OpenAI

31.5

Rank #271 Reported

Solar Pro4 Upstage

42.1

Rank #121 Confirmed

Summary

  • The widest gap is in knowledge, where Solar Pro4 leads 39.8 to 29.7.
  • Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $150 / $600 for o1-pro.
  • Solar Pro4 accepts more context: 524K tokens versus 200K.

Side by side

o1-pro and Solar Pro4 specifications
o1-proSolar Pro4
ProviderOpenAIUpstage
Noometry Index31.542.1
Released2025-03-192026-08-06
WeightsProprietaryProprietary
Context window200K524K
Max output100K131K
Input $ / M tokens$150$0.30
Output $ / M tokens$600$1.20
Results tracked318

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Category by category

Coding Not comparable

o1-pro: —, Solar Pro4: 40.1 (#149)

Coding benchmarks
Benchmarko1-proSolar Pro4
LMArena WebDev—1371
LMArena Coding—1437

Reasoning Solar Pro4 leads

o1-pro: 20.4 (#239), Solar Pro4: 28.5 (#104)

Reasoning benchmarks
Benchmarko1-proSolar Pro4
ARC-AGI-123.3%—
EnigmaEval6.1%—
LMArena Hard Prompts—1399

Math Not comparable

o1-pro: —, Solar Pro4: 38.8 (#128)

Math benchmarks
Benchmarko1-proSolar Pro4
LMArena Math—1416

Knowledge Solar Pro4 leads

o1-pro: 29.7 (#234), Solar Pro4: 39.8 (#129)

Knowledge benchmarks
Benchmarko1-proSolar Pro4
Humanity's Last Exam8.1%—
LMArena Expert—1427

Multilingual Not comparable

o1-pro: —, Solar Pro4: 48.7 (#139)

Multilingual benchmarks
Benchmarko1-proSolar Pro4
LMArena Non-English—1361
LMArena Chinese—1415
LMArena French—1397
LMArena German—1364
LMArena Japanese—1309
LMArena Korean—1382
LMArena Russian—1360
LMArena Spanish—1401

Instruction Following Not comparable

o1-pro: —, Solar Pro4: 72.7 (#132)

Instruction Following benchmarks
Benchmarko1-proSolar Pro4
LMArena Instruction Following—1377

Long Context Not comparable

o1-pro: —, Solar Pro4: 42.1 (#130)

Long Context benchmarks
Benchmarko1-proSolar Pro4
LMArena Longer Query—1381

Writing & Preference Not comparable

o1-pro: —, Solar Pro4: 56.5 (#138)

Writing & Preference benchmarks
Benchmarko1-proSolar Pro4
LMArena Text—1386
LMArena Creative Writing—1316
LMArena Multi-Turn—1385

Frequently asked questions

Is o1-pro better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 42.1 to 31.5 on the Noometry Index.

Which is cheaper, o1-pro or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; o1-pro lists at $150 and $600.

Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 200K.

How many benchmarks do o1-pro and Solar Pro4 share?

0 benchmarks have published results for both models. o1-pro has 3 scored results on Noometry and Solar Pro4 has 18.

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