Agentic Plan-and-Execute
The architecture improves multi-step tool use success rates by 40%. It can browse UIs, download files, and summarize data autonomously, making openai gpt 5.2 the premier choice for AI developers.
gpt-5.2-2025-12-11 / web-search
OpenAI GPT 5.2 is a frontier reasoning model released in December 2025. This gpt 5.2 update introduces native video understanding and agentic planning. Designed for complex workflows, it delivers 93.1% on HumanEval with its massive 128k context room.
$ 1.225
$ 1.75
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$ 9.8
$ 14
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API
Web Search
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",
"tools": [
{
"type": "web_search_preview"
}
],
"input": [
{
"role": "user",
"content": [
{
"type": "input_text",
"text": "What are the latest breakthroughs in quantum computing and their potential applications?"
}
]
}
]
}'Key Features of the OpenAI GPT 5.2 Frontier Model
Discover why openai gpt 5.2 is the leading choice for developers. From native video processing to advanced reasoning, these features provide a foundation for building next-generation AI software.
Advanced System 2 Reasoning
Prolonged internal thought chains lead to a 35% reduction in logical fallacies. This openai model excels at complex math and GPQA Diamond benchmarks, outperforming predecessors in deep logic tasks.
Reliable Structured Outputs
Guaranteed adherence to complex nested JSON schemas ensures that openai gpt 5.2 integrates seamlessly into production pipelines without the need for manual prompt engineering or pre-fill hacks.
OpenAI Native Video Analysis
Process up to 10 minutes of video in a single request. The model analyzes temporal sequences rather than just static frames, ideal for industrial visual Q&A and automated video analysis workflows.
Build with gpt 5.2.2025.12.11 in Minutes
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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.
OpenAI GPT 5.2: Comprehensive Frequently Asked Qs
How does openai gpt 5.2 differ from previous versions?
Compared to legacy models, openai gpt 5.2 is optimized for agentic workflows. It introduces native video understanding and a Plan-and-Execute architecture. While gpt 4o was multimodal, this 5.2 version processes video sequences temporally rather than as static frames. Benchmarks show a 35% reduction in logical errors due to its System 2 reasoning capabilities, making it the most advanced gpt iteration for complex coding and logic tasks.
Is gpt 5.2 data used for training on this platform?
No, privacy is a priority. Requests sent to openai gpt 5.2 via our platform are excluded from model training by default. We provide a secure gateway for enterprise users who require high-level data residency and SOC2-compliant handling. Your inputs and outputs remain your proprietary data, ensuring you can build sensitive applications on top of the gpt 5.2 architecture with full confidence in your data security and privacy protocols.
What is the context window for openai gpt 5.2?
The context window for openai gpt 5.2 is 128,000 tokens, which is ideal for analyzing long documents or complex codebases. Additionally, the model supports a maximum output of 16,384 tokens in a single request. For web search tasks, the context is specifically managed to ensure high-quality citations. If you require even larger context, the openai gpt 5.2 system integrates seamlessly with our context caching to reduce costs and improve latency.
How does reasoning effort affect gpt 5.2 performance?
The new reasoning_effort parameter allows you to control the depth of the model's internal thought process. Setting it to high for openai gpt 5.2 activates deep reasoning for complex math or logic, while low provides faster responses for simpler tasks. This flexible control helps balance cost and performance. Whether you need the gpt 5.2 engine for deep research or quick classification, adjusting this setting optimizes the response for your needs.
Can openai gpt 5.2 handle native video files?
Yes, openai gpt 5.2 features native video understanding. Unlike older systems that treat video as a series of images, this model analyzes temporal sequences for up to ten minutes of footage. This allows the gpt 5.2 engine to provide summaries of events, identify specific timestamps, and perform complex visual reasoning. It is a state-of-the-art solution for developers building video analysis tools or sophisticated multi-modal AI applications.
Is migrating to gpt 5.2 difficult for developers?
Migrating is straightforward. Developers can update their existing OpenAI SDK calls by changing the model parameter to gpt 5.2.2025.12.11. The gpt 5.2 model is fully backward-compatible with legacy inputs while supporting new features like reasoning effort and structured JSON schemas. Our platform provides unified documentation and support to help you transition your workflows to the openai gpt 5.2 frontier model with minimal code changes.
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