Model comparison

Grok-3 mini vs Solar Pro4

Grok-3 mini and Solar Pro4 score almost the same on the Noometry Index (41.2 vs 42.1), so choose on price, context window or the category you care about most.

Last verified . 17 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Solar Pro4 Upstage

42.1

Rank #121 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and Solar Pro4 in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 13.6.

Side by side

Grok-3 mini and Solar Pro4 specifications
Grok-3 miniSolar Pro4
ProviderxAIUpstage
Noometry Index41.242.1
Released2025-04-092026-08-06
WeightsProprietaryProprietary
Context window—524K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked3518

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Category by category

Coding Too close to call

Grok-3 mini: 40.8 (#131), Solar Pro4: 40.1 (#149)

Coding benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Coding13791437
Aider Polyglot49.3%—
LMArena WebDev—1371
WeirdML42.6%—

Reasoning Solar Pro4 leads

Grok-3 mini: 13.6 (#334), Solar Pro4: 28.5 (#104)

Reasoning benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Hard Prompts13751399
ARC-AGI-20.4%—
Kagi LLM Benchmark61.3%—
ARC-AGI-116.5%—
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), Solar Pro4: 38.8 (#128)

Math benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Math13861416
OTIS Mock AIME 2024-202577.8%—
Omni-MATH31.8%—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.4 (#81), Solar Pro4: 39.8 (#129)

Knowledge benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Expert13951427
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—

Multilingual Too close to call

Grok-3 mini: 48.1 (#145), Solar Pro4: 48.7 (#139)

Multilingual benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Non-English13521361
LMArena Chinese13871415
LMArena French13571397
LMArena German13491364
LMArena Japanese13421309
LMArena Korean13351382
LMArena Russian13531360
LMArena Spanish13811401

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.5 (#9), Solar Pro4: 72.7 (#132)

Instruction Following benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Instruction Following13571377
IFEval95.1%—

Long Context Solar Pro4 leads

Grok-3 mini: 41.0 (#147), Solar Pro4: 42.1 (#130)

Long Context benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Longer Query13721381
Fiction.LiveBench66.7%—

Writing & Preference Solar Pro4 leads

Grok-3 mini: 52.5 (#169), Solar Pro4: 56.5 (#138)

Writing & Preference benchmarks
BenchmarkGrok-3 miniSolar Pro4
LMArena Text13701386
LMArena Creative Writing13421316
LMArena Multi-Turn13551385
Short-Story Creative Writing73.5%—
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Solar Pro4?

Grok-3 mini and Solar Pro4 score almost the same on the Noometry Index (41.2 vs 42.1), so choose on price, context window or the category you care about most.

Is Grok-3 mini or Solar Pro4 better for coding?

They score almost the same on coding (40.8 vs 40.1); test both on your own repository before choosing.

How many benchmarks do Grok-3 mini and Solar Pro4 share?

17 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Solar Pro4 has 18.

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