What is the difference between ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct)?

ChatGPT-4o (March 2025) is developed by OpenAI while Llama 3.1 70B (Instruct) is developed by Meta AI. ChatGPT-4o (March 2025) has a 128K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or Llama 3.1 70B (Instruct)?

It depends on your use case. ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to Llama 3.1 70B (Instruct)?

ChatGPT-4o (March 2025) costs $5/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $4.41/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 ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) 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 ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct)?

ChatGPT-4o (March 2025) is developed by OpenAI while Llama 3.1 70B (Instruct) is developed by Meta AI. ChatGPT-4o (March 2025) has a 128K token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or Llama 3.1 70B (Instruct)?

It depends on your use case. ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to Llama 3.1 70B (Instruct)?

ChatGPT-4o (March 2025) costs $5/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $4.41/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 ChatGPT-4o (March 2025) and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) 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.

ChatGPT-4o (March 2025) vs Llama 3.1 70B (Instruct): Which Is Better?

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

Llama 3.1 70B (Instruct)Runner-up

No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, newer.

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

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

Llama 3.1 70B (Instruct)

Input

$0.59

8.5× cheaper

Output

$0.79

19× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 8.5× input, 19× output

Writing DNA

Style Comparison

Similarity

47%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

Llama 3.1 70B (Instruct)

55%Vocabulary51%

24wSentence Length18w

0.52Hedging0.46

3.3Bold3.4

6.0Lists5.6

0.94Emoji0.00

0.63Headings0.00

0.05Transitions0.06

Based on 15 + 15 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) 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

ChatGPT-4o (March 2025) vs Llama 4 MaverickCross-provider

Llama 3.1 70B (Instruct) vs Grok 3New provider

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

Llama 3.1 70B (Instruct)Runner-up

No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, newer.

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

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

Llama 3.1 70B (Instruct)

Input

$0.59

8.5× cheaper

Output

$0.79

19× cheaper

Llama 3.1 70B (Instruct) is cheaper on both — 8.5× input, 19× output

Writing DNA

Style Comparison

Similarity

47%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

Llama 3.1 70B (Instruct)

55%Vocabulary51%

24wSentence Length18w

0.52Hedging0.46

3.3Bold3.4

6.0Lists5.6

0.94Emoji0.00

0.63Headings0.00

0.05Transitions0.06

Based on 15 + 15 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) 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

ChatGPT-4o (March 2025) vs Llama 4 MaverickCross-provider

Llama 3.1 70B (Instruct) vs Grok 3New provider