What is the difference between OpenAI Codex Mini and Muse Spark 1.1?

OpenAI Codex Mini is developed by OpenAI while Muse Spark 1.1 is developed by Meta AI. OpenAI Codex Mini has a 200K token context window vs Muse Spark 1.1's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, OpenAI Codex Mini or Muse Spark 1.1?

It depends on your use case. OpenAI Codex Mini and Muse Spark 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does OpenAI Codex Mini cost compared to Muse Spark 1.1?

OpenAI Codex Mini costs $1.5/M input tokens and Muse Spark 1.1 costs $1.25/M input tokens. Muse Spark 1.1 is $0.25/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 OpenAI Codex Mini and Muse Spark 1.1 on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Muse Spark 1.1 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 OpenAI Codex Mini and Muse Spark 1.1?

OpenAI Codex Mini is developed by OpenAI while Muse Spark 1.1 is developed by Meta AI. OpenAI Codex Mini has a 200K token context window vs Muse Spark 1.1's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, OpenAI Codex Mini or Muse Spark 1.1?

It depends on your use case. OpenAI Codex Mini and Muse Spark 1.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does OpenAI Codex Mini cost compared to Muse Spark 1.1?

OpenAI Codex Mini costs $1.5/M input tokens and Muse Spark 1.1 costs $1.25/M input tokens. Muse Spark 1.1 is $0.25/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 OpenAI Codex Mini and Muse Spark 1.1 on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Muse Spark 1.1 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.

OpenAI Codex Mini vs Muse Spark 1.1: Which Is Better?

Updated Jul 2026

Our Verdict

Muse Spark 1.1

OpenAI Codex MiniRunner-up

No community votes yet. On paper, Muse Spark 1.1 has the edge — bigger model tier, newer, bigger context window.

Slight edge

What do OpenAI Codex Mini and Muse Spark 1.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

OpenAI Codex Mini

Input

$1.50

Output

$6.00

Muse Spark 1.1

Input

$1.25

1.2× cheaper

Output

$4.25

1.4× cheaper

Muse Spark 1.1 is cheaper on both — 1.2× input, 1.4× output

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

OpenAI Codex Mini vs Ox AlphaNew provider

OpenAI Codex Mini vs MiniMax M3New provider

OpenAI Codex Mini vs Gemini 3.6 FlashNew provider

Updated Jul 2026

Our Verdict

Muse Spark 1.1

OpenAI Codex MiniRunner-up

No community votes yet. On paper, Muse Spark 1.1 has the edge — bigger model tier, newer, bigger context window.

Slight edge

What do OpenAI Codex Mini and Muse Spark 1.1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

OpenAI Codex Mini

Input

$1.50

Output

$6.00

Muse Spark 1.1

Input

$1.25

1.2× cheaper

Output

$4.25

1.4× cheaper

Muse Spark 1.1 is cheaper on both — 1.2× input, 1.4× output

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

OpenAI Codex Mini vs Ox AlphaNew provider

OpenAI Codex Mini vs MiniMax M3New provider

OpenAI Codex Mini vs Gemini 3.6 FlashNew provider