Key Takeaways
Gemma 3 12B wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5.2 Pro wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Gemma 3 12B
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
GPT-5.2 Pro
Pricing Comparison
Price Comparison
| Metric | Gemma 3 12B | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.03 | $21.00 | Gemma 3 12B |
| Output (per 1M tokens) | $0.10 | $168.00 | Gemma 3 12B |
| Cache Read (per 1M) | $15000.00 | N/A | Gemma 3 12B |
Using a 3:1 input/output ratio, Gemma 3 12B is 100% cheaper overall.
Gemma 3 12B Providers
Chutes $0.03 (Cheapest)
DeepInfra $0.04
Crusoe $0.08
Cloudflare $0.35
GPT-5.2 Pro Providers
OpenAI $21.00 (Cheapest)
Benchmark Comparison
7
Benchmarks Compared
0
Gemma 3 12B Wins
6
GPT-5.2 Pro Wins
Benchmark Scores
| Benchmark | Gemma 3 12B | GPT-5.2 Pro | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 8.8 | 51.2 | |
Coding Index Code generation & understanding | 6.3 | 48.7 | |
Math Index Mathematical reasoning | 18.3 | 99.0 | |
MMLU Pro Academic knowledge | 59.5 | 87.4 | |
GPQA Graduate-level science | 34.9 | 90.3 | |
LiveCodeBench Competitive programming | 13.7 | 88.9 | |
AIME Competition math | 22.0 | - | - |
GPT-5.2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Gemma 3 12B
Other models
Context & Performance
Context Window
Gemma 3 12B
131,072
tokens
Max output: 131,072 tokens
GPT-5.2 Pro
400,000
tokens
Max output: 128,000 tokens
GPT-5.2 Pro has a 67% larger context window.
Speed Performance
| Metric | Gemma 3 12B | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Tokens/second | 33.6 tok/s | 98.3 tok/s | |
| Time to First Token | 11.94s | 46.57s |
GPT-5.2 Pro responds 193% faster on average.
Capabilities
Feature Comparison
| Feature | Gemma 3 12B | GPT-5.2 Pro |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Gemma 3 12B | GPT-5.2 Pro |
|---|---|---|
| License | Open Source | Proprietary |
| Author | OpenAI | |
| Released | Mar 2025 | Dec 2025 |
Gemma 3 12B Modalities
Input
textimage
Output
text
GPT-5.2 Pro Modalities
Input
imagetextfile
Output
text