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GPT 5.2 Thinking

By OpenAI
Model family: GPT
GPT-5.2 Thinking is OpenAIโ€™s best model yet for real-world knowledge work. It uses extended reasoning effort, long-context handling, strong vision and tool-calling to tackle spreadsheets, slides, codebases and large document sets, producing higher-quality, less hallucination-prone outputs than GPT-5.1 Thinking on most benchmarks.
Multimodal Gen 3
Released: December 12, 2025

Overview

GPT-5.2 Thinking is the deeper reasoning variant, designed for complex professional tasks like coding, long-document analysis, planning and math, trading speed for stronger multi-step logic and reliability.

About OpenAI

OpenAI is a technology company that specializes in artificial intelligence research and innovation.

Industry: Artificial Intelligence
Company Size: 4500
Location: San Francisco, California, US
Website: openai.com
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Benchmark scores

How GPT 5.2 Thinking ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.

ARC-AGI-2
Reasoning
52.9%
100.0%
GPQA Diamond
Knowledge
92.4%
Compare across all benchmarks โ†’

Tools using GPT 5.2 Thinking

Last updated: April 6, 2026
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