What is the difference between Andromeda Alpha and GPT-5.2?

Andromeda Alpha is developed by OpenRouter while GPT-5.2 is developed by OpenAI. Andromeda Alpha has a 128K token context window vs GPT-5.2's 400K. You can compare their actual outputs across 31 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or GPT-5.2?

It depends on your use case. Andromeda Alpha and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 31 challenges so you can judge which fits your needs best.

How much does Andromeda Alpha cost compared to GPT-5.2?

Andromeda Alpha costs $0/M input tokens and GPT-5.2 costs $1.75/M input tokens. Andromeda Alpha is $1.75/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 Andromeda Alpha and GPT-5.2 on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and GPT-5.2 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 Dec 2025

Andromeda AlphavsGPT-5.2

Andromeda Alpha is cheaper than GPT-5.2 at $0/M vs $1.75/M input tokens.

Andromeda Alpha and GPT-5.2 compared across 31 shared prompts
Spec	Andromeda Alpha	GPT-5.2
Input price	Free	$1.75/M tokens
Output price	Free	$14/M tokens
Context window	128K tokens	400K tokens
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Oct 2025	Dec 2025