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

Claude Sonnet 4.5 is developed by Anthropic while Llama 3.1 70B (Instruct) is developed by Meta AI. Claude Sonnet 4.5 has a 200K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 40 challenges on Rival to see how they differ in practice.

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

It depends on your use case. Claude Sonnet 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 40 challenges so you can judge which fits your needs best.

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

Claude Sonnet 4.5 costs $3/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $2.41/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 Claude Sonnet 4.5 and Llama 3.1 70B (Instruct) on Rival?

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

Claude Sonnet 4.5 is developed by Anthropic while Llama 3.1 70B (Instruct) is developed by Meta AI. Claude Sonnet 4.5 has a 200K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 40 challenges on Rival to see how they differ in practice.

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

It depends on your use case. Claude Sonnet 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 40 challenges so you can judge which fits your needs best.

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

Claude Sonnet 4.5 costs $3/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $2.41/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 Claude Sonnet 4.5 and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Claude Sonnet 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.

Claude Sonnet 4.5 vs Llama 3.1 70B (Instruct): Which Is Better?

Updated Sep 2025

Our Verdict

Claude Sonnet 4.5

Llama 3.1 70B (Instruct)Runner-up

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

Llama 3.1 70B (Instruct) is 19x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Sonnet 4.5

Input

$3.00

Output

$15.00

Llama 3.1 70B (Instruct)

Input

$0.59

5.1× cheaper

Output

$0.79

19× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 5.1× input, 19× output

Writing DNA

Style Comparison

Similarity

36%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

Llama 3.1 70B (Instruct)

64%Vocabulary51%

94wSentence Length18w

0.48Hedging0.46

4.9Bold3.4

8.0Lists5.6

0.45Emoji0.00

1.91Headings0.00

0.07Transitions0.06

Based on 20 + 15 text responses

Research

What we learned reading every model

Claude Sonnet 4.5 and Llama 3.1 70B (Instruct) have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

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Llama 3.1 70B (Instruct) vs Aurora AlphaNew provider

Llama 3.1 70B (Instruct) vs Gemini 2.5 Pro Preview 06-05New provider

Updated Sep 2025

Our Verdict

Claude Sonnet 4.5

Llama 3.1 70B (Instruct)Runner-up

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

Llama 3.1 70B (Instruct) is 19x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Sonnet 4.5

Input

$3.00

Output

$15.00

Llama 3.1 70B (Instruct)

Input

$0.59

5.1× cheaper

Output

$0.79

19× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 5.1× input, 19× output

Writing DNA

Style Comparison

Similarity

36%

Claude Sonnet 4.5 uses 45.2x more emoji

Claude Sonnet 4.5

Llama 3.1 70B (Instruct)

64%Vocabulary51%

94wSentence Length18w

0.48Hedging0.46

4.9Bold3.4

8.0Lists5.6

0.45Emoji0.00

1.91Headings0.00

0.07Transitions0.06

Based on 20 + 15 text responses

Research

What we learned reading every model

Claude Sonnet 4.5 and Llama 3.1 70B (Instruct) have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Llama 3.1 70B (Instruct) vs MiniMax M3New provider

Llama 3.1 70B (Instruct) vs Aurora AlphaNew provider

Llama 3.1 70B (Instruct) vs Gemini 2.5 Pro Preview 06-05New provider