GPT-5.2
Previous-generation GPT-5 with 400K context and advanced reasoning.
- Image input
- Reasoning
- Coding
- Tool calling
- Structured output
- Extended thinking
- Streaming
Specifications
| Provider | OpenAI |
|---|---|
| API model ID | gpt-5.2 |
| Released | December 2025 |
| Context window | 400,000 tokens |
| Max output | 128,000 tokens |
| Reasoning model | Yes |
| Price per 1M tokens (input / output) | See provider |
Specs as published by OpenAI. Prices are standard list prices before caching or batch discounts.
More OpenAI models
FAQ
- What is the context window of GPT-5.2?
- GPT-5.2 accepts up to 400,000 tokens of context and can return up to 128,000 output tokens per reply.
- When was GPT-5.2 released?
- OpenAI released GPT-5.2 in December 2025.
- How do I use GPT-5.2?
- Add your OpenAI API key in DapperGPT, pick GPT-5.2 in the model picker, and start chatting. You pay OpenAI directly for usage.