GPT-5.2 Pro
GPT-5.2 Pro is an advanced AI model developed by OpenAI designed for complex tasks requiring step-by-step reasoning. It supports text, image, and file inputs, and is specifically optimized for agentic coding and handling long-form context.
GPT-5.2 Pro specs and pricing
- Provider: OpenAI
- Released: December 10, 2025
- Context window: 400K tokens
- Max output: 128K tokens
- Input: images, text, files
- Output: text
- Price: $21 input / $168 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What GPT-5.2 Pro is good at
- Complex coding projects requiring multi-step logic
- Analyzing large documents or files
- Tasks involving visual data interpretation
To-dos to try with GPT-5.2 Pro
- Analyze a 300-page technical manual and summarize the troubleshooting steps for a specific error code.
- Review a multi-file codebase to identify potential security vulnerabilities and suggest refactoring.
- Examine a series of architectural diagrams and generate a list of materials required for construction.
FAQ
- What is the primary focus of GPT-5.2 Pro? This model is optimized for complex tasks that require step-by-step reasoning and improved performance in agentic coding.
- Can I upload files or images to this model? Yes, GPT-5.2 Pro accepts text, images, and files as input.
- How much does GPT-5.2 Pro cost? GPT-5.2 Pro costs $21 per million input tokens and $168 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 82.32 credits ($1 = 100 credits).
- What is the context window of GPT-5.2 Pro? GPT-5.2 Pro can read up to 400K tokens at once and write up to 128K tokens in one reply.
- Can I use GPT-5.2 Pro without coding? Yes. In todo.is you pick GPT-5.2 Pro as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.