OpenAI: GPT-5.2 Pro
Review
GPT-5.2 Pro from OpenAI carries a very high price tag ($21/$168 per million tokens) but has no independent benchmark data of its own — businesses requiring top-tier OpenAI performance should use the benchmarked GPT-5.2 standard model.
Assessment date: April 16, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,..
Capabilities
Architecture
| Modality | Text + Image + File → Text |
| Tokenizer | GPT |
How does OpenAI: GPT-5.2 Pro stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
openai/gpt-5.2-pro
|
| Provider | openai |
| Release Date | December 10, 2025 |
| Context Length | 400,000 tokens |
| Max Completion | 128,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $21.00 | $0.021000 |
| Output | $168.00 | $0.168000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
