GPT-5.2 vs Qwen3 Coder Flash

Compare GPT-5.2 by OpenAI against Qwen3 Coder Flash by Qwen, context windows of 400K vs 128K, tested across 53 shared challenges. Updated April 2026.

Which is better, GPT-5.2 or Qwen3 Coder Flash?

GPT-5.2 and Qwen3 Coder Flash are both competitive models. GPT-5.2 costs $1.75/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-5.2 and Qwen3 Coder Flash

GPT-5.2 is made by openai while Qwen3 Coder Flash is from qwen. GPT-5.2 has a 400K token context window compared to Qwen3 Coder Flash's 128K. On pricing, GPT-5.2 costs $1.75/M input tokens vs $0.3/M for Qwen3 Coder Flash.

Our Verdict
GPT-5.2
GPT-5.2
Qwen3 Coder Flash
Qwen3 Coder FlashRunner-up

No community votes yet. On paper, GPT-5.2 has the edge — bigger model tier, newer, bigger context window, major provider backing.

Qwen3 Coder Flash is 9.3x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
99%

GPT-5.2 uses 5.8x more emoji

GPT-5.2
Qwen3 Coder Flash
64%Vocabulary60%
16wSentence Length92w
0.34Hedging0.60
9.4Bold6.1
3.9Lists6.2
0.06Emoji0.00
0.89Headings1.64
0.31Transitions0.18
Based on 15 + 22 text responses
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GPT-5.2Qwen3 Coder Flash

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