What is the difference between Grok 3 and Solar Pro 3?

Grok 3 is developed by xAI while Solar Pro 3 is developed by Upstage. Grok 3 has a 128K token context window vs Solar Pro 3's 128K. You can compare their actual outputs across 38 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Solar Pro 3?

It depends on your use case. Grok 3 and Solar Pro 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 38 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Solar Pro 3 on Rival?

This page shows a side-by-side comparison of Grok 3 and Solar Pro 3 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between Grok 3 and Solar Pro 3?

Grok 3 is developed by xAI while Solar Pro 3 is developed by Upstage. Grok 3 has a 128K token context window vs Solar Pro 3's 128K. You can compare their actual outputs across 38 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Solar Pro 3?

It depends on your use case. Grok 3 and Solar Pro 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 38 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Solar Pro 3 on Rival?

This page shows a side-by-side comparison of Grok 3 and Solar Pro 3 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Grok 3 vs Solar Pro 3: Which Is Better?

Rival

Updated Jan 2026

Our Verdict

Grok 3

Solar Pro 3Runner-up

No community votes yet. On paper, Grok 3 has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Solar Pro 3

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

64%

Solar Pro 3 uses 4.4x more emoji

Grok 3

Solar Pro 3

49%Vocabulary50%

18wSentence Length21w

0.94Hedging0.42

2.5Bold6.5

3.0Lists2.2

0.04Emoji0.17

0.65Headings0.56

0.08Transitions0.12

Based on 17 + 18 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Solar Pro 3 vs MiniMax M3New provider

Solar Pro 3 vs OpenAI o3New provider

Solar Pro 3 vs Llama 4 MaverickNew provider

Rival

Updated Jan 2026

Our Verdict

Grok 3

Solar Pro 3Runner-up

No community votes yet. On paper, Grok 3 has the edge — bigger model tier, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Solar Pro 3

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

64%

Solar Pro 3 uses 4.4x more emoji

Grok 3

Solar Pro 3

49%Vocabulary50%

18wSentence Length21w

0.94Hedging0.42

2.5Bold6.5

3.0Lists2.2

0.04Emoji0.17

0.65Headings0.56

0.08Transitions0.12

Based on 17 + 18 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Solar Pro 3 vs MiniMax M3New provider

Solar Pro 3 vs OpenAI o3New provider

Solar Pro 3 vs Llama 4 MaverickNew provider

Rival