What is the difference between Grok 4.5 and Llama 3.1 70B (Instruct)?

Grok 4.5 is developed by xAI while Llama 3.1 70B (Instruct) is developed by Meta AI. Grok 4.5 has a 500K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.5 or Llama 3.1 70B (Instruct)?

It depends on your use case. Grok 4.5 and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does Grok 4.5 cost compared to Llama 3.1 70B (Instruct)?

Grok 4.5 costs $2/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $1.41/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Grok 4.5 and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Grok 4.5 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 4.5 and Llama 3.1 70B (Instruct)?

Grok 4.5 is developed by xAI while Llama 3.1 70B (Instruct) is developed by Meta AI. Grok 4.5 has a 500K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, Grok 4.5 or Llama 3.1 70B (Instruct)?

It depends on your use case. Grok 4.5 and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does Grok 4.5 cost compared to Llama 3.1 70B (Instruct)?

Grok 4.5 costs $2/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $1.41/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Grok 4.5 and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Grok 4.5 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 4.5 vs Llama 3.1 70B (Instruct): Which Is Better?

Updated Jul 2026

Our Verdict

Grok 4.5

Llama 3.1 70B (Instruct)Runner-up

No community votes yet. On paper, Grok 4.5 has the edge — newer, bigger context window.

Llama 3.1 70B (Instruct) is 7.6x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok 4.5 and Llama 3.1 70B (Instruct) say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 4.5

Input

$2.00

Output

$6.00

Llama 3.1 70B (Instruct)

Input

$0.59

3.4× cheaper

Output

$0.79

7.6× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 3.4× input, 7.6× output

Writing DNA

Style Comparison

Similarity

45%

Grok 4.5 uses 9.0x more emoji

Grok 4.5

Llama 3.1 70B (Instruct)

61%Vocabulary51%

16wSentence Length18w

0.23Hedging0.46

2.5Bold3.4

2.4Lists5.6

0.09Emoji0.00

0.48Headings0.00

0.06Transitions0.06

Based on 27 + 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 Ox AlphaNew provider

Llama 3.1 70B (Instruct) vs Claude Sonnet 4New provider

Updated Jul 2026

Our Verdict

Grok 4.5

Llama 3.1 70B (Instruct)Runner-up

No community votes yet. On paper, Grok 4.5 has the edge — newer, bigger context window.

Llama 3.1 70B (Instruct) is 7.6x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok 4.5 and Llama 3.1 70B (Instruct) say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 4.5

Input

$2.00

Output

$6.00

Llama 3.1 70B (Instruct)

Input

$0.59

3.4× cheaper

Output

$0.79

7.6× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 3.4× input, 7.6× output

Writing DNA

Style Comparison

Similarity

45%

Grok 4.5 uses 9.0x more emoji

Grok 4.5

Llama 3.1 70B (Instruct)

61%Vocabulary51%

16wSentence Length18w

0.23Hedging0.46

2.5Bold3.4

2.4Lists5.6

0.09Emoji0.00

0.48Headings0.00

0.06Transitions0.06

Based on 27 + 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 Ox AlphaNew provider

Llama 3.1 70B (Instruct) vs Claude Sonnet 4New provider