What is the difference between Cypher Alpha (free) and GPT-5.1 Codex Max?

Cypher Alpha (free) is developed by OpenRouter while GPT-5.1 Codex Max is developed by OpenAI. You can compare their actual outputs across 31 challenges on Rival to see how they differ in practice.

Which is better, Cypher Alpha (free) or GPT-5.1 Codex Max?

It depends on your use case. Cypher Alpha (free) and GPT-5.1 Codex Max 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 can I compare Cypher Alpha (free) and GPT-5.1 Codex Max on Rival?

This page shows a side-by-side comparison of Cypher Alpha (free) and GPT-5.1 Codex Max 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 Cypher Alpha (free) and GPT-5.1 Codex Max?

Cypher Alpha (free) is developed by OpenRouter while GPT-5.1 Codex Max is developed by OpenAI. You can compare their actual outputs across 31 challenges on Rival to see how they differ in practice.

Which is better, Cypher Alpha (free) or GPT-5.1 Codex Max?

It depends on your use case. Cypher Alpha (free) and GPT-5.1 Codex Max 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 can I compare Cypher Alpha (free) and GPT-5.1 Codex Max on Rival?

This page shows a side-by-side comparison of Cypher Alpha (free) and GPT-5.1 Codex Max 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.

Cypher Alpha (free) vs GPT-5.1 Codex Max: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

Cypher Alpha (free)Runner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer, major provider backing.

Slight edge

What do Cypher Alpha (free) and GPT-5.1 Codex Max say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

Writing DNA

Style Comparison

Similarity

77%

GPT-5.1 Codex Max uses 12.3x more headings

Cypher Alpha (free)

GPT-5.1 Codex Max

64%Vocabulary60%

15wSentence Length16w

0.34Hedging0.36

0.7Bold2.3

2.3Lists4.2

0.00Emoji0.00

0.00Headings0.12

0.16Transitions0.03

Based on 15 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cypher Alpha (free) vs MiniMax M3New provider

Cypher Alpha (free) vs Grok 3New provider

Cypher Alpha (free) vs Llama 4 MaverickNew provider

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

Cypher Alpha (free)Runner-up

No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer, major provider backing.

Slight edge

What do Cypher Alpha (free) and GPT-5.1 Codex Max say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

Writing DNA

Style Comparison

Similarity

77%

GPT-5.1 Codex Max uses 12.3x more headings

Cypher Alpha (free)

GPT-5.1 Codex Max

64%Vocabulary60%

15wSentence Length16w

0.34Hedging0.36

0.7Bold2.3

2.3Lists4.2

0.00Emoji0.00

0.00Headings0.12

0.16Transitions0.03

Based on 15 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cypher Alpha (free) vs MiniMax M3New provider

Cypher Alpha (free) vs Grok 3New provider

Cypher Alpha (free) vs Llama 4 MaverickNew provider