What is the difference between Grok 3 and Llama 3.1 70B (Instruct)?

Grok 3 is developed by xAI while Llama 3.1 70B (Instruct) is developed by Meta AI. Grok 3 has a 128K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 50 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Llama 3.1 70B (Instruct)?

It depends on your use case. Grok 3 and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 50 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Grok 3 and Llama 3.1 70B (Instruct) 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 Llama 3.1 70B (Instruct)?

Grok 3 is developed by xAI while Llama 3.1 70B (Instruct) is developed by Meta AI. Grok 3 has a 128K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 50 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 or Llama 3.1 70B (Instruct)?

It depends on your use case. Grok 3 and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 50 challenges so you can judge which fits your needs best.

How can I compare Grok 3 and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Grok 3 and Llama 3.1 70B (Instruct) 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 Llama 3.1 70B (Instruct): Which Is Better?

Updated Feb 2025

Our Verdict

Grok 3

Llama 3.1 70B (Instruct)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Llama 3.1 70B (Instruct)

Input

$0.59

Output

$0.79

Writing DNA

Style Comparison

Similarity

77%

Grok 3 uses 3.9x more emoji

Grok 3

Llama 3.1 70B (Instruct)

49%Vocabulary51%

18wSentence Length18w

0.94Hedging0.46

2.5Bold3.4

3.0Lists5.6

0.04Emoji0.00

0.65Headings0.00

0.08Transitions0.06

Based on 17 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Llama 3.1 70B (Instruct) vs MiniMax M3New provider

Llama 3.1 70B (Instruct) vs OpenAI o3New provider

Llama 3.1 70B (Instruct) vs Gemini 2.5 Pro (I/O Edition)New provider

Updated Feb 2025

Our Verdict

Grok 3

Llama 3.1 70B (Instruct)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

Grok 3

Input

—

Output

—

Llama 3.1 70B (Instruct)

Input

$0.59

Output

$0.79

Writing DNA

Style Comparison

Similarity

77%

Grok 3 uses 3.9x more emoji

Grok 3

Llama 3.1 70B (Instruct)

49%Vocabulary51%

18wSentence Length18w

0.94Hedging0.46

2.5Bold3.4

3.0Lists5.6

0.04Emoji0.00

0.65Headings0.00

0.08Transitions0.06

Based on 17 + 15 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Llama 3.1 70B (Instruct) vs MiniMax M3New provider

Llama 3.1 70B (Instruct) vs OpenAI o3New provider

Llama 3.1 70B (Instruct) vs Gemini 2.5 Pro (I/O Edition)New provider