GPT 5.2
GPT 5.2 is the standard tier of the GPT-5.2 model family, advancing the GPT-5 series with improved reasoning, coding, and multimodal capabilities across the board.
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5.2', prompt: 'Why is the sky blue?'})Frequently Asked Questions
How does GPT 5.2 improve over GPT-5.1?
It advances reasoning, coding, and multimodal capabilities over GPT-5.1, representing a generational improvement in the GPT series.
What context window does GPT 5.2 support?
400K tokens, supporting extensive document and codebase processing.
Should I migrate from GPT-5 to GPT 5.2?
If your application benefits from improved reasoning and coding quality, yes. Test with your specific workloads to confirm the improvement justifies any pricing differences.
Does GPT 5.2 support function calling and structured outputs?
Yes. It supports the full API feature set including function calling, structured outputs, vision, and system messages.
How does AI Gateway handle authentication for GPT 5.2?
AI Gateway accepts a single API key or OIDC token for all requests. You don't embed OpenAI credentials in your application; AI Gateway routes and authenticates on your behalf.
What are typical latency characteristics?
This page shows live throughput and time-to-first-token metrics measured across real AI Gateway traffic.