Compare GPT-5.1-Codex-Mini by OpenAI against Qwen Plus 0728 by Qwen, context windows of 400K vs 1.0M, tested across 55 shared challenges. Updated April 2026.
GPT-5.1-Codex-Mini and Qwen Plus 0728 are both competitive models. GPT-5.1-Codex-Mini costs $1.5/M input tokens vs $0.4/M for Qwen Plus 0728. Context windows: 400K vs 1000K tokens. Compare their real outputs side by side below.
GPT-5.1-Codex-Mini is made by openai while Qwen Plus 0728 is from qwen. GPT-5.1-Codex-Mini has a 400K token context window compared to Qwen Plus 0728's 1000K. On pricing, GPT-5.1-Codex-Mini costs $1.5/M input tokens vs $0.4/M for Qwen Plus 0728.
No community votes yet. On paper, GPT-5.1-Codex-Mini has the edge — bigger model tier, newer, major provider backing.
Qwen Plus 0728 is 5.0x cheaper per token — worth considering if cost matters.
Qwen Plus 0728 uses 67.5x more emoji
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare GPT-5.1-Codex-Mini by OpenAI against Qwen Plus 0728 by Qwen, context windows of 400K vs 1.0M, tested across 55 shared challenges. Updated April 2026.
GPT-5.1-Codex-Mini and Qwen Plus 0728 are both competitive models. GPT-5.1-Codex-Mini costs $1.5/M input tokens vs $0.4/M for Qwen Plus 0728. Context windows: 400K vs 1000K tokens. Compare their real outputs side by side below.
GPT-5.1-Codex-Mini is made by openai while Qwen Plus 0728 is from qwen. GPT-5.1-Codex-Mini has a 400K token context window compared to Qwen Plus 0728's 1000K. On pricing, GPT-5.1-Codex-Mini costs $1.5/M input tokens vs $0.4/M for Qwen Plus 0728.
No community votes yet. On paper, GPT-5.1-Codex-Mini has the edge — bigger model tier, newer, major provider backing.
Qwen Plus 0728 is 5.0x cheaper per token — worth considering if cost matters.
Qwen Plus 0728 uses 67.5x more emoji
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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50 fights queued
38+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy