# GPT-5.2 Pro: AI model fact sheet

- **Provider:** openai
- **Released:** 2025-12-10
- **Context window:** 400,000 tokens
- **API pricing:** $21.00 / 1M input, $168.00 / 1M output
- **OpenRouter ID:** openai/gpt-5.2-pro
- **Capabilities:** conversation, reasoning, code-generation, analysis

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, instruction following, and accuracy in high-stakes use cases. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| SWE-bench Verified | 80.0% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gpt-5.2-pro