Key Takeaways
GPT-5.2 Pro wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
- Supports tool calls
Rocinante 12B wins:
- Cheaper input tokens
- Cheaper output tokens
Price Advantage
Rocinante 12B
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
GPT-5.2 Pro
Pricing Comparison
Price Comparison
| Metric | GPT-5.2 Pro | Rocinante 12B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $21.00 | $0.17 | Rocinante 12B |
| Output (per 1M tokens) | $168.00 | $0.43 | Rocinante 12B |
Using a 3:1 input/output ratio, Rocinante 12B is 100% cheaper overall.
GPT-5.2 Pro Providers
OpenAI $21.00 (Cheapest)
Rocinante 12B Providers
NextBit $0.17 (Cheapest)
Infermatic $0.25
Benchmark Comparison
7
Benchmarks Compared
3
GPT-5.2 Pro Wins
0
Rocinante 12B Wins
Benchmark Scores
| Benchmark | GPT-5.2 Pro | Rocinante 12B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 51.2 | 24.6 | |
Coding Index Code generation & understanding | 48.7 | - | - |
Math Index Mathematical reasoning | 99.0 | - | - |
MMLU Pro Academic knowledge | 87.4 | 27.5 | |
GPQA Graduate-level science | 90.3 | 5.5 | |
LiveCodeBench Competitive programming | 88.9 | - | - |
BBH Big-Bench Hard | - | 30.0 | - |
GPT-5.2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
GPT-5.2 Pro
Other models
Context & Performance
Context Window
GPT-5.2 Pro
400,000
tokens
Max output: 128,000 tokens
Rocinante 12B
32,768
tokens
Max output: 32,768 tokens
GPT-5.2 Pro has a 92% larger context window.
Speed Performance
| Metric | GPT-5.2 Pro | Rocinante 12B | Winner |
|---|---|---|---|
| Tokens/second | 98.3 tok/s | N/A | |
| Time to First Token | 46.57s | N/A |
Capabilities
Feature Comparison
| Feature | GPT-5.2 Pro | Rocinante 12B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5.2 Pro | Rocinante 12B |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Thedrummer |
| Released | Dec 2025 | Sep 2024 |
GPT-5.2 Pro Modalities
Input
imagetextfile
Output
text
Rocinante 12B Modalities
Input
text
Output
text