GPT-5.2

GPT-5.2 is OpenAI's general-purpose reasoning model with a 400k token context window, released in December 2025 as the successor to GPT-5.1.

Strengths

Handles reasoning and language tasks across a wide range of domains with a large context window for processing extended documents and conversations.

Best for

General-purpose applications requiring strong reasoning capabilities and support for longer contexts, including document analysis and multi-turn reasoning workflows.

Limitations

For specialized coding work, use GPT-5.2-Codex instead; for batch processing, use the batch-optimized variant; for frontier-grade reasoning performance, GPT-5.2 Pro offers higher capability.