What is the difference between Aurora Alpha and Gemma 4 26B A4B?

Aurora Alpha is developed by OpenRouter while Gemma 4 26B A4B is developed by Google AI. Aurora Alpha has a 128K token context window vs Gemma 4 26B A4B's 262K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Aurora Alpha or Gemma 4 26B A4B?

It depends on your use case. Aurora Alpha and Gemma 4 26B A4B 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 Gemma 4 26B A4B?

Aurora Alpha costs $0/M input tokens and Gemma 4 26B A4B costs $0.13/M input tokens. Aurora Alpha is $0.13/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 Gemma 4 26B A4B on Rival?

This page shows a side-by-side comparison of Aurora Alpha and Gemma 4 26B A4B 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 2026

Aurora AlphavsGemma 4 26B A4B

Aurora Alpha is cheaper than Gemma 4 26B A4B at $0/M vs $0.13/M input tokens.

Aurora Alpha and Gemma 4 26B A4B compared across 53 shared prompts
Spec	Aurora Alpha	Gemma 4 26B A4B
Input price	Free	$0.13/M tokens
Output price	Free	$0.4/M tokens
Context window	128K tokens	262K tokens
Weights	—	Open
Free API (OpenRouter)	No	Yes (1 provider)
Released	Feb 2026	Apr 2026