What is the difference between Grok 3 Mini Beta and xAI: Grok 4?

Both are developed by xAI but target different use cases. Grok 3 Mini Beta has a 131K token context window vs xAI: Grok 4's 256K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Mini Beta or xAI: Grok 4?

It depends on your use case. Grok 3 Mini Beta and xAI: Grok 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How much does Grok 3 Mini Beta cost compared to xAI: Grok 4?

Grok 3 Mini Beta costs $0.4/M input tokens and xAI: Grok 4 costs $3/M input tokens. Grok 3 Mini Beta is $2.60/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 3 Mini Beta and xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Grok 3 Mini Beta and xAI: Grok 4 across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.