What is the difference between Andromeda Alpha and Gemini 3.1 Pro Preview?

Andromeda Alpha is developed by OpenRouter while Gemini 3.1 Pro Preview is developed by Google AI. Andromeda Alpha has a 128K token context window vs Gemini 3.1 Pro Preview's 1.0M. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or Gemini 3.1 Pro Preview?

It depends on your use case. Andromeda Alpha and Gemini 3.1 Pro Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does Andromeda Alpha cost compared to Gemini 3.1 Pro Preview?

Andromeda Alpha costs $0/M input tokens and Gemini 3.1 Pro Preview costs $2/M input tokens. Andromeda 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 Andromeda Alpha and Gemini 3.1 Pro Preview on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and Gemini 3.1 Pro Preview 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.

What is the difference between Andromeda Alpha and Gemini 3.1 Pro Preview?

Andromeda Alpha is developed by OpenRouter while Gemini 3.1 Pro Preview is developed by Google AI. Andromeda Alpha has a 128K token context window vs Gemini 3.1 Pro Preview's 1.0M. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or Gemini 3.1 Pro Preview?

It depends on your use case. Andromeda Alpha and Gemini 3.1 Pro Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does Andromeda Alpha cost compared to Gemini 3.1 Pro Preview?

Andromeda Alpha costs $0/M input tokens and Gemini 3.1 Pro Preview costs $2/M input tokens. Andromeda 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 Andromeda Alpha and Gemini 3.1 Pro Preview on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and Gemini 3.1 Pro Preview 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

Andromeda AlphavsGemini 3.1 Pro Preview

Andromeda Alpha is cheaper than Gemini 3.1 Pro Preview at $0/M vs $2/M input tokens.

Andromeda Alpha and Gemini 3.1 Pro Preview compared across 30 shared prompts
Spec	Andromeda Alpha	Gemini 3.1 Pro Preview
Input price	Free	$2/M tokens
Output price	Free	$12/M tokens
Context window	128K tokens	1.0M tokens
Released	Oct 2025	Feb 2026

Our Verdict

Gemini 3.1 Pro Preview

Andromeda AlphaRunner-up

Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge

What do Andromeda Alpha and Gemini 3.1 Pro Preview say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Andromeda Alpha

Input

$0.000

Output

$0.000

Gemini 3.1 Pro Preview

Input

$2.00

Output

$12.00

Writing DNA

Style Comparison

Similarity

31%

Andromeda Alpha uses 41.1x more emoji

Andromeda Alpha

Gemini 3.1 Pro Preview

65%Vocabulary54%

15wSentence Length18w

0.64Hedging0.29

7.8Bold4.9

4.2Lists3.3

0.41Emoji0.00

0.80Headings0.72

0.12Transitions0.14

Based on 13 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Updated Feb 2026

Andromeda AlphavsGemini 3.1 Pro Preview

Andromeda Alpha is cheaper than Gemini 3.1 Pro Preview at $0/M vs $2/M input tokens.

Andromeda Alpha and Gemini 3.1 Pro Preview compared across 30 shared prompts
Spec	Andromeda Alpha	Gemini 3.1 Pro Preview
Input price	Free	$2/M tokens
Output price	Free	$12/M tokens
Context window	128K tokens	1.0M tokens
Released	Oct 2025	Feb 2026

Our Verdict

Gemini 3.1 Pro Preview

Andromeda AlphaRunner-up

Not enough votes to call it. On the specs, Gemini 3.1 Pro Preview has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge

What do Andromeda Alpha and Gemini 3.1 Pro Preview say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing