GPT-5 Pro vs Qwen3 Coder Flash

Compare GPT-5 Pro by OpenAI against Qwen3 Coder Flash by Qwen, context windows of 400K vs 128K, tested across 42 shared challenges. Updated April 2026.

Which is better, GPT-5 Pro or Qwen3 Coder Flash?

GPT-5 Pro and Qwen3 Coder Flash are both competitive models. GPT-5 Pro costs $15/M input tokens vs $0.3/M for Qwen3 Coder Flash. Context windows: 400K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5 Pro and Qwen3 Coder Flash

GPT-5 Pro is made by openai while Qwen3 Coder Flash is from qwen. GPT-5 Pro has a 400K token context window compared to Qwen3 Coder Flash's 128K. On pricing, GPT-5 Pro costs $15/M input tokens vs $0.3/M for Qwen3 Coder Flash.

Our Verdict
GPT-5 Pro
GPT-5 Pro
Qwen3 Coder Flash
Qwen3 Coder FlashRunner-up

No community votes yet. On paper, GPT-5 Pro has the edge — bigger model tier, bigger context window, major provider backing.

Qwen3 Coder Flash is 80x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
91%

Qwen3 Coder Flash uses 605.7x more bold

GPT-5 Pro
Qwen3 Coder Flash
65%Vocabulary60%
15wSentence Length92w
0.32Hedging0.60
0.0Bold6.1
2.9Lists6.2
0.00Emoji0.00
0.00Headings1.64
0.01Transitions0.18
Based on 11 + 22 text responses
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GPT-5 ProQwen3 Coder Flash

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