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  5. Gemma 3n 2BvsOpenAI o4-mini
Updated Jul 2025

Gemma 3n 2BvsOpenAI o4-mini

Gemma 3n 2B is cheaper than OpenAI o4-mini at $0/M vs $1.1/M input tokens.

Gemma 3n 2B and OpenAI o4-mini compared across 27 shared prompts
SpecGemma 3n 2BOpenAI o4-mini
Input priceFree$1.1/M tokens
Output priceFree$4.4/M tokens
Context window8K tokens—
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedJul 2025Apr 2025
Our Verdict
Gemma 3n 2B
Gemma 3n 2B
OpenAI o4-mini
OpenAI o4-mini

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemma 3n 2B
Input
$0.000
Output
$0.000
OpenAI o4-mini
Input
$1.10
Output
$4.40
Where to run it

1 host

Gemma 3n 2B

No hosts listed on OpenRouter.

OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.

Writing DNA

Style Comparison

Similarity
34%

Gemma 3n 2B uses 646.4x more bold

Gemma 3n 2B
OpenAI o4-mini
49%Vocabulary73%
14wSentence Length21w
0.46Hedging0.39
6.5Bold0.0
6.1Lists2.0
0.00Emoji0.00
0.19Headings0.00
0.23Transitions0.05
Based on 14 + 17 text responses
Research

What we learned reading every model

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