What is the difference between GPT-4 and GPT-4.1?

Both are developed by OpenAI but target different use cases. GPT-4 has a 8K token context window vs GPT-4.1's 1.0M. You can compare their actual outputs across 26 challenges on Rival to see how they differ in practice.

Which is better, GPT-4 or GPT-4.1?

It depends on your use case. GPT-4 and GPT-4.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 26 challenges so you can judge which fits your needs best.

How much does GPT-4 cost compared to GPT-4.1?

GPT-4 costs $30/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $28.00/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 and GPT-4.1 on Rival?

This page shows a side-by-side comparison of GPT-4 and GPT-4.1 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 Apr 2025

GPT-4vsGPT-4.1

GPT-4.1 is cheaper than GPT-4 at $2/M vs $30/M input tokens.

GPT-4 and GPT-4.1 compared across 26 shared prompts
Spec	GPT-4	GPT-4.1
Input price	$30/M tokens	$2/M tokens
Output price	$60/M tokens	$8/M tokens
Context window	8K tokens	1.0M tokens
Parameters	Not disclosed	Not disclosed
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	May 2023	Apr 2025