Noometry

Model comparison

Grok 4.6 vs Solar Pro 3

Grok 4.6 has enough public results to be ranked (#19); Solar Pro 3 does not yet, so treat this comparison as directional.

Last verified . 2 shared benchmarks.

Grok 4.6 xAI

56.8

Rank #19 Confirmed

Solar Pro 3 Upstage

33.3

Unranked Sparse

Summary

  • They share 2 benchmarks with published results for both. Grok 4.6 scores higher in 2 categories and Solar Pro 3 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.3 to 21.7.
  • The biggest single-benchmark swing is SciCode: 56.5% for Grok 4.6 and 24.7% for Solar Pro 3.
  • Solar Pro 3 is cheaper at $0.25 / $0.25 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 131K.

Side by side

Grok 4.6Solar Pro 3
ProviderxAIUpstage
Noometry Index56.833.3
Released2026-08-122026-01
WeightsProprietaryProprietary
Context window500K131K
Max output500K8K
Input $ / M tokens$2$0.25
Output $ / M tokens$6$0.25
Results tracked492

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Category by category

Coding Grok 4.6 leads

Grok 4.6: 58.0 (#14), Solar Pro 3: 34.2

BenchmarkGrok 4.6Solar Pro 3
SciCode56.5%24.7%
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
LMArena WebDev1620—
FrontierSWE25.3%—
WeirdML67.3%—
LMArena Coding1464—
ALE-Bench1,508—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#25), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.3 (#18), Solar Pro 3: 21.7

BenchmarkGrok 4.6Solar Pro 3
CritPt19.7%0%
ARC-AGI-267.1%—
SimpleBench75.9%—
NYT Connections (extended)80%—
ARC-AGI-187.5%—
Chess Puzzles40%—
EBR-Bench30.5%—
LMArena Hard Prompts1445—
Mystery Game Puzzles34%—
DTBench97.3%—
LMCA48.5%—
Epoch Capabilities Index156.48—

Math Not comparable

Grok 4.6: 66.8 (#19), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—
LMArena Math1416—

Knowledge Not comparable

Grok 4.6: 63.3 (#18), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
GPQA Diamond94%—
SimpleQA Verified49.3%—
LMArena Expert1463—

Multimodal Not comparable

Grok 4.6: 43.9 (#18), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
LMArena Vision1265—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Not comparable

Grok 4.6: 53.3 (#67), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
LMArena Non-English1422—
LMArena Chinese1479—
LMArena French1458—
LMArena German1425—
LMArena Japanese1383—
LMArena Korean1395—
LMArena Russian1427—
LMArena Spanish1408—

Instruction Following Not comparable

Grok 4.6: 75.6 (#59), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
LMArena Instruction Following1431—

Long Context Not comparable

Grok 4.6: 44.4 (#62), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
LMArena Longer Query1453—

Writing & Preference Not comparable

Grok 4.6: 62.5 (#77), Solar Pro 3: —

BenchmarkGrok 4.6Solar Pro 3
LMArena Text1427—
LMArena Creative Writing1430—
LMArena Multi-Turn1422—

Frequently asked questions

Is Grok 4.6 better than Solar Pro 3?

Grok 4.6 has enough public results to be ranked (#19); Solar Pro 3 does not yet, so treat this comparison as directional.

Which is cheaper, Grok 4.6 or Solar Pro 3?

Solar Pro 3 is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; Grok 4.6 lists at $2 and $6.

Is Grok 4.6 or Solar Pro 3 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.0 versus 34.2 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 131K.

How many benchmarks do Grok 4.6 and Solar Pro 3 share?

2 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Solar Pro 3 has 2.

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