What is the difference between OpenAI Codex Mini and Qwen3.5 397B A17B?

OpenAI Codex Mini is developed by OpenAI while Qwen3.5 397B A17B is developed by Qwen. OpenAI Codex Mini has a 200K token context window vs Qwen3.5 397B A17B's 262K. 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 Qwen3.5 397B A17B?

It depends on your use case. OpenAI Codex Mini and Qwen3.5 397B A17B 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 Qwen3.5 397B A17B?

OpenAI Codex Mini costs $1.5/M input tokens and Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen3.5 397B A17B is $0.90/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 Qwen3.5 397B A17B on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Qwen3.5 397B A17B 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 Qwen3.5 397B A17B?

OpenAI Codex Mini is developed by OpenAI while Qwen3.5 397B A17B is developed by Qwen. OpenAI Codex Mini has a 200K token context window vs Qwen3.5 397B A17B's 262K. 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 Qwen3.5 397B A17B?

It depends on your use case. OpenAI Codex Mini and Qwen3.5 397B A17B 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 Qwen3.5 397B A17B?

OpenAI Codex Mini costs $1.5/M input tokens and Qwen3.5 397B A17B costs $0.6/M input tokens. Qwen3.5 397B A17B is $0.90/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 Qwen3.5 397B A17B on Rival?

This page shows a side-by-side comparison of OpenAI Codex Mini and Qwen3.5 397B A17B 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 Qwen3.5 397B A17B: Which Is Better?

Updated Feb 2026

Our Verdict

Qwen3.5 397B A17B

OpenAI Codex MiniRunner-up

No community votes yet. On paper, Qwen3.5 397B A17B has the edge — bigger model tier, newer.

Too close to call

What do OpenAI Codex Mini and Qwen3.5 397B A17B 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

Qwen3.5 397B A17B

Input

$0.60

2.5× cheaper

Output

$3.60

1.7× cheaper

Qwen3.5 397B A17B is cheaper on both — 2.5× input, 1.7× 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 Llama 4 MaverickNew provider

Updated Feb 2026

Our Verdict

Qwen3.5 397B A17B

OpenAI Codex MiniRunner-up

No community votes yet. On paper, Qwen3.5 397B A17B has the edge — bigger model tier, newer.

Too close to call

What do OpenAI Codex Mini and Qwen3.5 397B A17B 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

Qwen3.5 397B A17B

Input

$0.60

2.5× cheaper

Output

$3.60

1.7× cheaper

Qwen3.5 397B A17B is cheaper on both — 2.5× input, 1.7× 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 Llama 4 MaverickNew provider