What is the difference between GPT-4.1 Mini and Grok 4.20 Beta?

GPT-4.1 Mini is developed by OpenAI while Grok 4.20 Beta is developed by xAI. GPT-4.1 Mini has a 1.0M token context window vs Grok 4.20 Beta's 2.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 Mini or Grok 4.20 Beta?

It depends on your use case. GPT-4.1 Mini and Grok 4.20 Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4.1 Mini cost compared to Grok 4.20 Beta?

GPT-4.1 Mini costs $0.4/M input tokens and Grok 4.20 Beta costs $2/M input tokens. GPT-4.1 Mini is $1.60/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 GPT-4.1 Mini and Grok 4.20 Beta on Rival?

This page shows a side-by-side comparison of GPT-4.1 Mini and Grok 4.20 Beta 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.

Updated Mar 2026

GPT-4.1 MinivsGrok 4.20 Beta

GPT-4.1 Mini is cheaper than Grok 4.20 Beta at $0.4/M vs $2/M input tokens.

GPT-4.1 Mini and Grok 4.20 Beta compared across 53 shared prompts
Spec	GPT-4.1 Mini	Grok 4.20 Beta
Input price	$0.4/M tokens	$2/M tokens
Output price	$1.6/M tokens	$6/M tokens
Context window	1.0M tokens	2.0M tokens
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	Apr 2025	Mar 2026