OpenAI

GPT-5.2

Multimodal
#1GPQA Diamond
#1GDPVal
#2MCP-Atlas
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by OpenAI

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About

GPT-5.2, released by OpenAI on December 11, 2025, is a large language model from the GPT-5 family that improves on GPT-5 in general intelligence, long-context understanding, agentic tool-calling, and vision. It features a 400K token context window, 128K maximum output tokens, and a knowledge cutoff of August 2025. GPT-5.2 targets long-context coding tasks, extended document analysis, and complex agentic workflows requiring reliable instruction following.

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Timeline
ReleasedDec 11, 2025
Knowledge CutoffAug 1, 2025
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Specifications
Capabilities
Multimodal
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License & Family
License
Proprietary
Performance Overview
Performance metrics and category breakdown

Overall Performance

9 benchmarks
Average Score
56.9%
Best Score
92.4%
High Performers (80%+)
2

Top Categories

Science
92.4%
Coding
61.7%
Tool Use
60.6%
Finance
58.5%
Agents
49.7%
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All Benchmark Results for GPT-5.2
Complete list of benchmark scores with detailed information
GPQA Diamond
Science
92.40
92.4%
Unverified
SWE Bench Verified
Coding
80.00
80.0%
Unverified
MCP-Atlas
Tool Use
60.57
60.6%
Unverified
Finance Agent
Finance
58.53
58.5%
Unverified
Terminal Bench 2.0
Coding
54.00
54.0%
Unverified
SWE-rebench
Coding
51.00
51.0%
Unverified
GDPVal
Agents
49.70
49.7%
Unverified
ARC-AGI-2
Reasoning
38.50
38.5%
Unverified
Humanity's Last Exam
Reasoning
27.80
27.8%
Unverified