What is the difference between Andromeda Alpha and xAI: Grok 4.5?

Andromeda Alpha is developed by OpenRouter while xAI: Grok 4.5 is developed by xAI. Andromeda Alpha has a 128K token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or xAI: Grok 4.5?

It depends on your use case. Andromeda Alpha and xAI: Grok 4.5 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 xAI: Grok 4.5?

Andromeda Alpha costs $0/M input tokens and xAI: Grok 4.5 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 xAI: Grok 4.5 on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and xAI: Grok 4.5 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 xAI: Grok 4.5?

Andromeda Alpha is developed by OpenRouter while xAI: Grok 4.5 is developed by xAI. Andromeda Alpha has a 128K token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or xAI: Grok 4.5?

It depends on your use case. Andromeda Alpha and xAI: Grok 4.5 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 xAI: Grok 4.5?

Andromeda Alpha costs $0/M input tokens and xAI: Grok 4.5 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 xAI: Grok 4.5 on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and xAI: Grok 4.5 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.

Andromeda Alpha vs xAI: Grok 4.5: Which Is Better?

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

Andromeda AlphaRunner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

Andromeda Alpha

Input

$0.000

Output

$0.000

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Writing DNA

Style Comparison

Similarity

42%

Andromeda Alpha uses 4.6x more emoji

Andromeda Alpha

xAI: Grok 4.5

65%Vocabulary61%

15wSentence Length16w

0.64Hedging0.23

7.8Bold2.5

4.2Lists2.4

0.41Emoji0.09

0.80Headings0.48

0.12Transitions0.06

Based on 13 + 27 text responses

Research

What we learned reading every model

Andromeda Alpha and xAI: Grok 4.5 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

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Andromeda Alpha vs Llama 4 MaverickNew provider

Andromeda Alpha vs GPT-5New provider

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

Andromeda AlphaRunner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.

Slight edge

API pricing

Cost per 1M tokens

Andromeda Alpha

Input

$0.000

Output

$0.000

xAI: Grok 4.5

Input

$2.00

Output

$6.00

Writing DNA

Style Comparison

Similarity

42%

Andromeda Alpha uses 4.6x more emoji

Andromeda Alpha

xAI: Grok 4.5

65%Vocabulary61%

15wSentence Length16w

0.64Hedging0.23

7.8Bold2.5

4.2Lists2.4

0.41Emoji0.09

0.80Headings0.48

0.12Transitions0.06

Based on 13 + 27 text responses

Research

What we learned reading every model

Andromeda Alpha and xAI: Grok 4.5 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

Andromeda Alpha vs MiniMax M3New provider

Andromeda Alpha vs Llama 4 MaverickNew provider

Andromeda Alpha vs GPT-5New provider