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Google: Gemma 4 31B vs GPT-4o (Omni)

Compare Google: Gemma 4 31B by Google AI against GPT-4o (Omni) by OpenAI, context windows of 262K vs 128K, tested across 43 shared challenges. Updated April 2026.

Which is better, Google: Gemma 4 31B or GPT-4o (Omni)?

Google: Gemma 4 31B and GPT-4o (Omni) are both competitive models. Google: Gemma 4 31B costs $0.14/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 262K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Google: Gemma 4 31B and GPT-4o (Omni)

Google: Gemma 4 31B is made by google while GPT-4o (Omni) is from openai. Google: Gemma 4 31B has a 262K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Google: Gemma 4 31B costs $0.14/M input tokens vs $2.5/M for GPT-4o (Omni).

Our Verdict
Google: Gemma 4 31B
Google: Gemma 4 31B
GPT-4o (Omni)
GPT-4o (Omni)Runner-up

No community votes yet. On paper, Google: Gemma 4 31B has the edge — newer, bigger context window.

Google: Gemma 4 31B is 25x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
100%

Google: Gemma 4 31B uses 9.5x more emoji

Google: Gemma 4 31B
GPT-4o (Omni)
57%Vocabulary54%
18wSentence Length18w
0.37Hedging0.72
7.1Bold7.3
4.0Lists5.6
0.24Emoji0.03
0.94Headings1.40
0.16Transitions0.26
Based on 23 + 24 text responses
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Google: Gemma 4 31BGPT-4o (Omni)
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