Key Takeaways
GPT-5 Pro wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5.2 Pro wins:
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
GPT-5 Pro
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
GPT-5.2 Pro
Pricing Comparison
Price Comparison
| Metric | GPT-5 Pro | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $15.00 | $21.00 | GPT-5 Pro |
| Output (per 1M tokens) | $120.00 | $168.00 | GPT-5 Pro |
Using a 3:1 input/output ratio, GPT-5 Pro is 29% cheaper overall.
GPT-5 Pro Providers
OpenAI $15.00 (Cheapest)
GPT-5.2 Pro Providers
OpenAI $21.00 (Cheapest)
Benchmark Comparison
6
Benchmarks Compared
0
GPT-5 Pro Wins
0
GPT-5.2 Pro Wins
Benchmark Scores
| Benchmark | GPT-5 Pro | GPT-5.2 Pro | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 51.2 | - |
Coding Index Code generation & understanding | - | 48.7 | - |
Math Index Mathematical reasoning | - | 99.0 | - |
MMLU Pro Academic knowledge | - | 87.4 | - |
GPQA Graduate-level science | - | 90.3 | - |
LiveCodeBench Competitive programming | - | 88.9 | - |
GPT-5.2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
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Other models
Context & Performance
Context Window
GPT-5 Pro
400,000
tokens
Max output: 128,000 tokens
GPT-5.2 Pro
400,000
tokens
Max output: 128,000 tokens
Speed Performance
| Metric | GPT-5 Pro | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Tokens/second | N/A | 89.5 tok/s | |
| Time to First Token | N/A | 38.51s |
Capabilities
Feature Comparison
| Feature | GPT-5 Pro | 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 | GPT-5 Pro | GPT-5.2 Pro |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | OpenAI |
| Released | Oct 2025 | Dec 2025 |
GPT-5 Pro Modalities
Input
imagetextfile
Output
text
GPT-5.2 Pro Modalities
Input
imagetextfile
Output
text