Gemma 3 12BvsGPT-5 Pro
Gemma 3 12B is cheaper than GPT-5 Pro at $0.03/M vs $15/M input tokens.
| Spec | Gemma 3 12B | GPT-5 Pro |
|---|---|---|
| Input price | $0.03/M tokens | $15/M tokens |
| Output price | $0.03/M tokens | $120/M tokens |
| Context window | — | 400K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2025 | Oct 2025 |
Our Verdict
GPT-5 Pro
Gemma 3 12BRunner-up
Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.
Gemma 3 12B costs 4000x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemma 3 12B
Input
$0.03
500× cheaper
Output
$0.03
4000× cheaper
GPT-5 Pro
Input
$15.00
Output
$120.00
Gemma 3 12B is cheaper on both: 500× input, 4000× output.
Where to run it
2 hosts
Gemma 3 12B1 host
GPT-5 Pro1 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
35%
Gemma 3 12B uses 563.6x more bold
Gemma 3 12B
GPT-5 Pro
54%Vocabulary65%
17wSentence Length15w
0.59Hedging0.32
5.6Bold0.0
4.8Lists2.9
0.76Emoji0.00
0.06Headings0.00
0.19Transitions0.01
Based on 29 + 11 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
GPT-5 Pro vs Ox AlphaNew provider
GPT-5 Pro vs MiniMax M3New provider
GPT-5 Pro vs Claude Opus 4New provider
GPT-5 Pro vs Claude Opus 4.1New provider
Gemma 3 12B vs Qwen3 Coder NextNew provider
Gemma 3 12B vs Qwen3 Coder PlusNew provider
Gemma 3 12B vs Qwen3 MaxNew provider
Gemma 3 12B vs Qwen3 Max ThinkingNew provider