What is the difference between OpenAI Codex Mini and Qwen3 Coder Flash?

OpenAI Codex Mini is developed by OpenAI while Qwen3 Coder Flash is developed by Qwen. OpenAI Codex Mini has a 200K token context window vs Qwen3 Coder Flash's 128K. 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 Qwen3 Coder Flash?

It depends on your use case. OpenAI Codex Mini and Qwen3 Coder Flash 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 Qwen3 Coder Flash?

OpenAI Codex Mini costs $1.5/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. Qwen3 Coder Flash is $1.20/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 Qwen3 Coder Flash on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Qwen3 Coder Flash 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 Qwen3 Coder Flash?

OpenAI Codex Mini is developed by OpenAI while Qwen3 Coder Flash is developed by Qwen. OpenAI Codex Mini has a 200K token context window vs Qwen3 Coder Flash's 128K. 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 Qwen3 Coder Flash?

It depends on your use case. OpenAI Codex Mini and Qwen3 Coder Flash 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 Qwen3 Coder Flash?

OpenAI Codex Mini costs $1.5/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. Qwen3 Coder Flash is $1.20/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 Qwen3 Coder Flash on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Qwen3 Coder Flash 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 Sep 2025

OpenAI Codex MinivsQwen3 Coder Flash

Qwen3 Coder Flash is cheaper than OpenAI Codex Mini at $0.3/M vs $1.5/M input tokens.

OpenAI Codex Mini and Qwen3 Coder Flash compared across 10 shared prompts
Spec	OpenAI Codex Mini	Qwen3 Coder Flash
Input price	$1.5/M tokens	$0.3/M tokens
Output price	$6/M tokens	$1.5/M tokens
Context window	200K tokens	128K tokens
Released	May 2025	Sep 2025
SWE-bench Verified	71.3%	50.3%

Our Verdict

OpenAI Codex Mini

Qwen3 Coder Flash

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

Qwen3 Coder Flash costs 4.0x less per token.

Too close to call

What do OpenAI Codex Mini and Qwen3 Coder Flash 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

Qwen3 Coder Flash

Input

$0.30

5.0× cheaper

Output

$1.50

4.0× cheaper

Qwen3 Coder Flash is cheaper on both — 5.0× input, 4.0× output

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Updated Sep 2025

OpenAI Codex MinivsQwen3 Coder Flash

Qwen3 Coder Flash is cheaper than OpenAI Codex Mini at $0.3/M vs $1.5/M input tokens.

OpenAI Codex Mini and Qwen3 Coder Flash compared across 10 shared prompts
Spec	OpenAI Codex Mini	Qwen3 Coder Flash
Input price	$1.5/M tokens	$0.3/M tokens
Output price	$6/M tokens	$1.5/M tokens
Context window	200K tokens	128K tokens
Released	May 2025	Sep 2025
SWE-bench Verified	71.3%	50.3%