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Google: Gemma 4 26B A4B vs GPT-5 Codex

Compare Google: Gemma 4 26B A4B by Google AI against GPT-5 Codex by OpenAI, tested across 49 shared challenges. Updated April 2026.

Which is better, Google: Gemma 4 26B A4B or GPT-5 Codex?

Google: Gemma 4 26B A4B and GPT-5 Codex are both competitive models. Compare their real outputs side by side below.

Key Differences Between Google: Gemma 4 26B A4B and GPT-5 Codex

Google: Gemma 4 26B A4B is made by google while GPT-5 Codex is from openai.

Our Verdict
Google: Gemma 4 26B A4B
Google: Gemma 4 26B A4B
GPT-5 Codex
GPT-5 Codex

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
Writing DNA

Style Comparison

Similarity
96%

GPT-5 Codex uses 14.6x more emoji

Google: Gemma 4 26B A4B
GPT-5 Codex
58%Vocabulary64%
18wSentence Length17w
0.31Hedging0.38
6.8Bold2.3
3.3Lists3.5
0.00Emoji0.15
0.74Headings0.49
0.15Transitions0.05
Based on 27 + 13 text responses
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Google: Gemma 4 26B A4BGPT-5 Codex
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