Gemma 3n 4B vs GPT-5

Compare Gemma 3n 4B by Google AI against GPT-5 by OpenAI, context windows of 33K vs 400K, tested across 46 shared challenges. Updated April 2026.

Which is better, Gemma 3n 4B or GPT-5?

Gemma 3n 4B and GPT-5 are both competitive models. Gemma 3n 4B costs $0/M input tokens vs $1.25/M for GPT-5. Context windows: 33K vs 400K tokens. Compare their real outputs side by side below.

Key Differences Between Gemma 3n 4B and GPT-5

Gemma 3n 4B is made by google while GPT-5 is from openai. Gemma 3n 4B has a 33K token context window compared to GPT-5's 400K. On pricing, Gemma 3n 4B costs $0/M input tokens vs $1.25/M for GPT-5.

Our Verdict
GPT-5
GPT-5
Gemma 3n 4B
Gemma 3n 4BRunner-up

No community votes yet. On paper, GPT-5 has the edge — bigger model tier, newer, bigger context window.

Slight edge
Writing DNA

Style Comparison

Similarity
96%

Gemma 3n 4B uses 37.0x more bold

Gemma 3n 4B
GPT-5
45%Vocabulary65%
18wSentence Length13w
0.53Hedging0.20
7.0Bold0.2
6.3Lists4.6
0.00Emoji0.00
0.25Headings0.16
0.05Transitions0.03
Based on 12 + 16 text responses
vs

Ask them anything yourself

Gemma 3n 4BGPT-5

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
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