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

GPT-5.1-Codex is developed by OpenAI while Qwen3 Coder is developed by Qwen. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1-Codex or Qwen3 Coder?

It depends on your use case. GPT-5.1-Codex and Qwen3 Coder each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

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

GPT-5.1-Codex costs $1.25/M input tokens and Qwen3 Coder costs $0.22/M input tokens. Qwen3 Coder is $1.03/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 Coder on Rival?

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

GPT-5.1-Codex is developed by OpenAI while Qwen3 Coder is developed by Qwen. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1-Codex or Qwen3 Coder?

It depends on your use case. GPT-5.1-Codex and Qwen3 Coder each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

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

GPT-5.1-Codex costs $1.25/M input tokens and Qwen3 Coder costs $0.22/M input tokens. Qwen3 Coder is $1.03/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 Coder on Rival?

This page shows a side-by-side comparison of GPT-5.1-Codex and Qwen3 Coder 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 Nov 2025

GPT-5.1-CodexvsQwen3 Coder

Qwen3 Coder is cheaper than GPT-5.1-Codex at $0.22/M vs $1.25/M input tokens.

GPT-5.1-Codex and Qwen3 Coder compared across 53 shared prompts
Spec	GPT-5.1-Codex	Qwen3 Coder
Input price	$1.25/M tokens	$0.22/M tokens
Output price	$10/M tokens	$0.95/M tokens
Context window	400K tokens	—
Released	Nov 2025	Jul 2025
SWE-bench Verified	73.7%	69.6%

Our Verdict

GPT-5.1-Codex

Qwen3 CoderRunner-up

Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: newer, bigger context window, major provider backing.

Qwen3 Coder costs 11x less per token.

Too close to call

What do GPT-5.1-Codex and Qwen3 Coder 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 Coder

Input

$0.22

5.7× cheaper

Output

$0.95

11× cheaper

Qwen3 Coder is cheaper on both — 5.7× input, 11× output

Writing DNA

Style Comparison

Similarity

52%

Qwen3 Coder uses 11.6x more emoji

GPT-5.1-Codex

Qwen3 Coder

70%Vocabulary61%

17wSentence Length72w

0.39Hedging0.61

3.4Bold4.7

3.5Lists5.6

0.00Emoji0.12

0.50Headings1.43

0.38Transitions0.20

Based on 14 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1-Codex vs Ox AlphaNew provider

Qwen3 Coder vs MiniMax M3New provider

Qwen3 Coder vs Claude Opus 4New provider

Qwen3 Coder vs Claude Opus 4.1New provider

GPT-5.1-Codex vs Claude 2New provider

Qwen3 Coder vs Claude 3 HaikuNew provider

Qwen3 Coder vs Claude 3 OpusNew provider

Qwen3 Coder vs Claude 3 SonnetNew provider

Updated Nov 2025

GPT-5.1-CodexvsQwen3 Coder

Qwen3 Coder is cheaper than GPT-5.1-Codex at $0.22/M vs $1.25/M input tokens.

GPT-5.1-Codex and Qwen3 Coder compared across 53 shared prompts
Spec	GPT-5.1-Codex	Qwen3 Coder
Input price	$1.25/M tokens	$0.22/M tokens
Output price	$10/M tokens	$0.95/M tokens
Context window	400K tokens	—
Released	Nov 2025	Jul 2025
SWE-bench Verified	73.7%	69.6%

Our Verdict

GPT-5.1-Codex

Qwen3 CoderRunner-up

Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: newer, bigger context window, major provider backing.

Qwen3 Coder costs 11x less per token.

Too close to call

What do GPT-5.1-Codex and Qwen3 Coder 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 Coder

Input

$0.22

5.7× cheaper

Output

$0.95

11× cheaper

Qwen3 Coder is cheaper on both — 5.7× input, 11× output

Writing DNA

Style Comparison

Similarity

52%

Qwen3 Coder uses 11.6x more emoji

GPT-5.1-Codex

Qwen3 Coder

70%Vocabulary61%

17wSentence Length72w

0.39Hedging0.61

3.4Bold4.7

3.5Lists5.6

0.00Emoji0.12

0.50Headings1.43

0.38Transitions0.20

Based on 14 + 22 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1-Codex vs Ox AlphaNew provider

Qwen3 Coder vs MiniMax M3New provider

Qwen3 Coder vs Claude Opus 4New provider

Qwen3 Coder vs Claude Opus 4.1New provider

GPT-5.1-Codex vs Claude 2New provider

Qwen3 Coder vs Claude 3 HaikuNew provider

Qwen3 Coder vs Claude 3 OpusNew provider

Qwen3 Coder vs Claude 3 SonnetNew provider