What is the difference between GPT-5.1-Codex and Qwen3 Max Thinking?

GPT-5.1-Codex is developed by OpenAI while Qwen3 Max Thinking is developed by Qwen. GPT-5.1-Codex has a 400K token context window vs Qwen3 Max Thinking's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1-Codex or Qwen3 Max Thinking?

It depends on your use case. GPT-5.1-Codex and Qwen3 Max Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does GPT-5.1-Codex cost compared to Qwen3 Max Thinking?

GPT-5.1-Codex costs $1.25/M input tokens and Qwen3 Max Thinking costs $1.2/M input tokens. Qwen3 Max Thinking is $0.05/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 GPT-5.1-Codex and Qwen3 Max Thinking on Rival?

This page shows a side-by-side comparison of GPT-5.1-Codex and Qwen3 Max Thinking 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 GPT-5.1-Codex and Qwen3 Max Thinking?

GPT-5.1-Codex is developed by OpenAI while Qwen3 Max Thinking is developed by Qwen. GPT-5.1-Codex has a 400K token context window vs Qwen3 Max Thinking's 262K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1-Codex or Qwen3 Max Thinking?

It depends on your use case. GPT-5.1-Codex and Qwen3 Max Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does GPT-5.1-Codex cost compared to Qwen3 Max Thinking?

GPT-5.1-Codex costs $1.25/M input tokens and Qwen3 Max Thinking costs $1.2/M input tokens. Qwen3 Max Thinking is $0.05/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 GPT-5.1-Codex and Qwen3 Max Thinking on Rival?

This page shows a side-by-side comparison of GPT-5.1-Codex and Qwen3 Max Thinking 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

GPT-5.1-CodexvsQwen3 Max Thinking

Qwen3 Max Thinking is cheaper than GPT-5.1-Codex at $1.2/M vs $1.25/M input tokens.

GPT-5.1-Codex and Qwen3 Max Thinking compared across 52 shared prompts
Spec	GPT-5.1-Codex	Qwen3 Max Thinking
Input price	$1.25/M tokens	$1.2/M tokens
Output price	$10/M tokens	$6/M tokens
Context window	400K tokens	262K tokens
Released	Nov 2025	Feb 2026
SWE-bench Verified	73.7%	75.3%

Our Verdict

GPT-5.1-Codex

Qwen3 Max Thinking

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

What do GPT-5.1-Codex and Qwen3 Max Thinking say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1-Codex

Input

$1.25

Output

$10.00

Qwen3 Max Thinking

Input

$1.20

Output

$6.00

1.7× cheaper

Qwen3 Max Thinking is cheaper on both 1.7× output

Writing DNA

Style Comparison

Similarity

45%

Qwen3 Max Thinking uses 137.1x more emoji

GPT-5.1-Codex

Qwen3 Max Thinking

70%Vocabulary61%

17wSentence Length15w

0.39Hedging0.23

3.4Bold5.2

3.5Lists3.9

0.00Emoji1.37

0.50Headings1.22

0.38Transitions0.04

Based on 14 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Max Thinking vs MiniMax M3New provider

Qwen3 Max Thinking vs Ox AlphaNew provider

Qwen3 Max Thinking vs Claude Opus 4New provider

Qwen3 Max Thinking vs Claude Opus 4.1New provider

GPT-5.1-Codex vs Qwen3 Coder NextCross-provider

GPT-5.1-Codex vs Qwen3 Coder PlusCross-provider

GPT-5.1-Codex vs Qwen3 MaxCross-provider

GPT-5.1-Codex vs Qwen3 Next 80B A3B InstructCross-provider

Updated Feb 2026

GPT-5.1-CodexvsQwen3 Max Thinking

Qwen3 Max Thinking is cheaper than GPT-5.1-Codex at $1.2/M vs $1.25/M input tokens.

GPT-5.1-Codex and Qwen3 Max Thinking compared across 52 shared prompts
Spec	GPT-5.1-Codex	Qwen3 Max Thinking
Input price	$1.25/M tokens	$1.2/M tokens
Output price	$10/M tokens	$6/M tokens
Context window	400K tokens	262K tokens
Released	Nov 2025	Feb 2026
SWE-bench Verified	73.7%	75.3%

Our Verdict

GPT-5.1-Codex

Qwen3 Max Thinking

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

What do GPT-5.1-Codex and Qwen3 Max Thinking say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1-Codex

Input

$1.25

Output

$10.00

Qwen3 Max Thinking

Input

$1.20

Output

$6.00

1.7× cheaper

Qwen3 Max Thinking is cheaper on both 1.7× output

Writing DNA

Style Comparison

Similarity

45%

Qwen3 Max Thinking uses 137.1x more emoji

GPT-5.1-Codex

Qwen3 Max Thinking

70%Vocabulary61%

17wSentence Length15w

0.39Hedging0.23

3.4Bold5.2

3.5Lists3.9

0.00Emoji1.37

0.50Headings1.22

0.38Transitions0.04

Based on 14 + 13 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Qwen3 Max Thinking vs MiniMax M3New provider

Qwen3 Max Thinking vs Ox AlphaNew provider

Qwen3 Max Thinking vs Claude Opus 4New provider

Qwen3 Max Thinking vs Claude Opus 4.1New provider

GPT-5.1-Codex vs Qwen3 Coder NextCross-provider

GPT-5.1-Codex vs Qwen3 Coder PlusCross-provider

GPT-5.1-Codex vs Qwen3 MaxCross-provider

GPT-5.1-Codex vs Qwen3 Next 80B A3B InstructCross-provider