Native Video Processing
Chat GPT 5.2 analyzes up to 10 minutes of video. Unlike other models, it understands temporal context, making it ideal for automated video analysis and editing.
gpt-5.2-2025-12-11 / file-analysis
Chat GPT 5.2 represents a massive leap in agentic AI reasoning. This OpenAI model excels at complex multi-step tasks. With a 128k context window and native video support, Chat GPT 5.2 sets a new benchmark for software agents and deep coding today. Go.
$ 1.225
$ 1.75
file
$ 9.8
$ 14
text
API
File Analysis
curl --request POST "https://gptproto.com/v1/responses" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"model": "gpt-5.2-2025-12-11",
"input": [
{
"role": "user",
"content": [
{
"type": "input_text",
"text": "what is in this file?"
},
{
"type": "input_file",
"file_url": "https://tos.gptproto.com/resource/gptproto.pdf"
}
]
}
]
}'Key Chat GPT 5.2 Features & Capabilities
Explore the breakthrough features of Chat GPT 5.2. From System 2 reasoning to native video processing, this OpenAI model is built for the next generation of AI agents.
Agentic Tool Use
Optimized for autonomous workflows, Chat GPT 5.2 supports 64 parallel tool calls. Its Plan-and-Execute architecture ensures reliable multi-step performance.
Elite Coding Ability
With a 93.1% HumanEval score, Chat GPT 5.2 is built for legacy code refactoring and cross-file dependencies. It is the premier choice for AI software engineering.
Chat GPT 5.2 Reasoning
Chat GPT 5.2 uses System 2 reasoning to handle complex logic. This reduces errors in critical tasks and improves chain-of-thought accuracy for developers.
How to Get a gpt-5.2-2025-12-11 API Key
Getting a gpt-5.2-2025-12-11 API key takes four steps and a few minutes. Create a free GPTProto account, add credits, generate your key, and make your first call — at $1.225 / $9.8 it's a cheaper gpt-5.2-2025-12-11 API key than going direct, and one key works across every model on the platform. Full gpt-5.2-2025-12-11 Documentation is in the docs.
Sign up
Create your free GPT Proto account to begin. You can set up an organization for your team at any time.
Top up
Your balance can be used across all models on the platform, including gpt-5.2-2025-12-11, giving you the flexibility to experiment and scale as needed.
Generate your API key
In your dashboard, create an API key — you'll need it to authenticate when making requests to gpt-5.2-2025-12-11.
Make your first API call
Use your API key with our sample code to send a request to gpt-5.2-2025-12-11 via GPT Proto and see instant AI-powered results.
Chat GPT 5.2 FAQ: AI Reasoning & Support
Learn about Chat GPT 5.2's new features including reasoning effort levels, video support, and API pricing on GPTProto.com. Find answers to common technical questions.
What makes Chat GPT 5.2 different from GPT-4o?
Chat GPT 5.2 introduces System 2 reasoning, allowing it to think before it speaks. This results in a 35% reduction in logical fallacies. It also supports native video input for up to 10 minutes, whereas previous models relied on static frames.
How do I use the new reasoning_effort parameter?
When calling Chat GPT 5.2, you can set reasoning_effort to low, medium, or high. Use 'high' for complex math or coding tasks to trigger deeper thought chains. This ensures the chat model provides the most accurate and verified output possible.
Does Chat GPT 5.2 support native video analysis?
Yes, Chat GPT 5.2 can ingest up to 10 minutes of video. It analyzes temporal sequences rather than just individual images. This makes it perfect for video editing instructions or summarizing long visual sequences via a chat interface.
What is the context window for Chat GPT 5.2?
The model features a 128,000 token context window. This allows Chat GPT 5.2 to process massive documents or long chat histories without losing track of details. It also supports a max output of 16,384 tokens for long-form content generation.
Is data sent to Chat GPT 5.2 used for training?
No. When you access Chat GPT 5.2 through GPTProto.com, your data is excluded from model training by default. We prioritize security and E-E-A-T standards to ensure your proprietary information remains confidential and safe at all times.
How does the GPTProto.com pricing work?
Chat GPT 5.2 costs $5.00 per 1M input tokens and $15.00 per 1M output tokens. By using GPTProto.com, you get a 50% discount on cached tokens and access to a unified credit system that works across multiple AI vendors effortlessly.
Related Articles
More Blogs
GPT-5.3-Codex: The New Frontier of AI Coding
GPT-5.3-Codex delivers massive performance gains and recursive self-improvement for developers. Discover how this model changes the AI landscape today.
GPT-5.3 Codex Guide: Mastering the Future of Agentic AI Software Development
Explore how GPT-5.3 Codex and the new Codex app are transforming the coding landscape with recursive intelligence and multi-tasking agentic capabilities. Learn how to optimize costs and leverage multi-modal workflows for maximum developer productivity in the new era of AI.
GPT-5.4 Is Here: Everything You Need to Know
GPT-5.4 is OpenAI's latest AI model, combining advanced reasoning, coding, and built-in Computer Use in one. Learn what's new, how it compares to GPT-5.2, and how to access it affordably via GPT Proto.
AI Coding Revolution: How GPT-5.3 and Claude 4.6 are Transforming Software Engineering Forever
Discover how OpenAI and Anthropic redefined AI Coding on February 5, 2026. Explore the recursive power of GPT-5.3 and the multi-agent collaboration of Claude 4.6, and learn how these tools are automating software development for enterprises globally.