Compare GPT-5.1 Codex Max by OpenAI against Qwen: Qwen3.5 35B A3B by Qwen, tested across 52 shared challenges. Updated April 2026.
GPT-5.1 Codex Max and Qwen: Qwen3.5 35B A3B are both competitive models. Compare their real outputs side by side below.
GPT-5.1 Codex Max is made by openai while Qwen: Qwen3.5 35B A3B is from qwen.
No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, major provider backing.
Qwen: Qwen3.5 35B A3B uses 6.8x more headings
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 Max by OpenAI against Qwen: Qwen3.5 35B A3B by Qwen, tested across 52 shared challenges. Updated April 2026.
GPT-5.1 Codex Max and Qwen: Qwen3.5 35B A3B are both competitive models. Compare their real outputs side by side below.
GPT-5.1 Codex Max is made by openai while Qwen: Qwen3.5 35B A3B is from qwen.
No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, major provider backing.
Qwen: Qwen3.5 35B A3B uses 6.8x more headings
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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47 fights queued
35+ 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