What is the difference between OpenAI o3 and Qwen3 Coder Flash?

OpenAI o3 is developed by OpenAI while Qwen3 Coder Flash is developed by Qwen. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o3 or Qwen3 Coder Flash?

It depends on your use case. OpenAI o3 and Qwen3 Coder Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does OpenAI o3 cost compared to Qwen3 Coder Flash?

OpenAI o3 costs $10/M input tokens and Qwen3 Coder Flash costs $0.3/M input tokens. Qwen3 Coder Flash is $9.70/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 o3 and Qwen3 Coder Flash on Rival?

This page shows a side-by-side comparison of OpenAI o3 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 o3vsQwen3 Coder Flash

Qwen3 Coder Flash is cheaper than OpenAI o3 at $0.3/M vs $10/M input tokens.

OpenAI o3 and Qwen3 Coder Flash compared across 54 shared prompts
Spec	OpenAI o3	Qwen3 Coder Flash
Input price	$10/M tokens	$0.3/M tokens
Output price	$40/M tokens	$1.5/M tokens
Context window	—	128K tokens
Weights	Closed	Closed
Free API (OpenRouter)	No	No
Released	Apr 2025	Sep 2025
SWE-bench Verified	69.1%	50.3%