GPT-5 Pro vs Qwen3 Coder Plus

Compare GPT-5 Pro by OpenAI against Qwen3 Coder Plus 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 Plus?

GPT-5 Pro and Qwen3 Coder Plus are both competitive models. GPT-5 Pro costs $15/M input tokens vs $1/M for Qwen3 Coder Plus. Context windows: 400K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5 Pro and Qwen3 Coder Plus

GPT-5 Pro is made by openai while Qwen3 Coder Plus is from qwen. GPT-5 Pro has a 400K token context window compared to Qwen3 Coder Plus's 128K. On pricing, GPT-5 Pro costs $15/M input tokens vs $1/M for Qwen3 Coder Plus.

Our Verdict
GPT-5 Pro
GPT-5 Pro
Qwen3 Coder Plus
Qwen3 Coder PlusRunner-up

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

Qwen3 Coder Plus is 24x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
91%

Qwen3 Coder Plus uses 364.5x more bold

GPT-5 Pro
Qwen3 Coder Plus
65%Vocabulary65%
15wSentence Length54w
0.32Hedging0.74
0.0Bold3.6
2.9Lists6.0
0.00Emoji0.15
0.00Headings1.72
0.01Transitions0.16
Based on 11 + 22 text responses
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GPT-5 ProQwen3 Coder Plus

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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