What is the difference between Grok 4 Fast (free) and Llama 3 70B?

Grok 4 Fast (free) is developed by xAI while Llama 3 70B is developed by Meta AI. Grok 4 Fast (free) has a 2.0M token context window vs Llama 3 70B's 8K. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, Grok 4 Fast (free) or Llama 3 70B?

It depends on your use case. Grok 4 Fast (free) and Llama 3 70B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does Grok 4 Fast (free) cost compared to Llama 3 70B?

Grok 4 Fast (free) costs $0/M input tokens and Llama 3 70B costs $0.59/M input tokens. Grok 4 Fast (free) is $0.59/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 Fast (free) and Llama 3 70B on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Llama 3 70B 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 Fast (free) and Llama 3 70B?

Grok 4 Fast (free) is developed by xAI while Llama 3 70B is developed by Meta AI. Grok 4 Fast (free) has a 2.0M token context window vs Llama 3 70B's 8K. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, Grok 4 Fast (free) or Llama 3 70B?

It depends on your use case. Grok 4 Fast (free) and Llama 3 70B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does Grok 4 Fast (free) cost compared to Llama 3 70B?

Grok 4 Fast (free) costs $0/M input tokens and Llama 3 70B costs $0.59/M input tokens. Grok 4 Fast (free) is $0.59/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 Fast (free) and Llama 3 70B on Rival?

This page shows a side-by-side comparison of Grok 4 Fast (free) and Llama 3 70B 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 Fast (free) vs Llama 3 70B: Which Is Better?

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Llama 3 70BRunner-up

No community votes yet. On paper, Grok 4 Fast (free) has the edge — newer, bigger context window.

Too close to call

What do Grok 4 Fast (free) and Llama 3 70B 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 Fast (free)

Input

$0.000

Output

$0.000

Llama 3 70B

Input

$0.59

Output

$0.79

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Llama 3 70B vs MiniMax M3New provider

Llama 3 70B vs Ox AlphaNew provider

Llama 3 70B vs Claude Sonnet 4New provider

Updated Sep 2025

Our Verdict

Grok 4 Fast (free)

Llama 3 70BRunner-up

No community votes yet. On paper, Grok 4 Fast (free) has the edge — newer, bigger context window.

Too close to call

What do Grok 4 Fast (free) and Llama 3 70B 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 Fast (free)

Input

$0.000

Output

$0.000

Llama 3 70B

Input

$0.59

Output

$0.79

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Llama 3 70B vs MiniMax M3New provider

Llama 3 70B vs Ox AlphaNew provider

Llama 3 70B vs Claude Sonnet 4New provider