Compare Google: Gemma 4 31B by Google AI against GPT-5.1 Codex Max by OpenAI, tested across 44 shared challenges. Updated April 2026.
Google: Gemma 4 31B and GPT-5.1 Codex Max are both competitive models. Compare their real outputs side by side below.
Google: Gemma 4 31B is made by google while GPT-5.1 Codex Max is from openai.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemma 4 31B uses 23.8x 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 Google: Gemma 4 31B by Google AI against GPT-5.1 Codex Max by OpenAI, tested across 44 shared challenges. Updated April 2026.
Google: Gemma 4 31B and GPT-5.1 Codex Max are both competitive models. Compare their real outputs side by side below.
Google: Gemma 4 31B is made by google while GPT-5.1 Codex Max is from openai.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Google: Gemma 4 31B uses 23.8x 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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39 fights queued
27+ 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