What is the difference between Aurora Alpha and GPT-4.1?

Aurora Alpha is developed by OpenRouter while GPT-4.1 is developed by OpenAI. Aurora Alpha has a 128K token context window vs GPT-4.1's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Aurora Alpha or GPT-4.1?

It depends on your use case. Aurora Alpha and GPT-4.1 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 Aurora Alpha cost compared to GPT-4.1?

Aurora Alpha costs $0/M input tokens and GPT-4.1 costs $2/M input tokens. Aurora Alpha is $2.00/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 Aurora Alpha and GPT-4.1 on Rival?

This page shows a side-by-side comparison of Aurora Alpha 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 Feb 2026

Aurora AlphavsGPT-4.1

Aurora Alpha is cheaper than GPT-4.1 at $0/M vs $2/M input tokens.

Aurora Alpha and GPT-4.1 compared across 53 shared prompts
Spec	Aurora Alpha	GPT-4.1
Input price	Free	$2/M tokens
Output price	Free	$8/M tokens
Context window	128K tokens	1.0M tokens
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Feb 2026	Apr 2025