OpenAI

GPT-5.2

Multimodal
#1GPQA Diamond
#1MMMU-Pro with Tools
#1GDPVal
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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

18 benchmarks
Average Score
67.7%
Best Score
98.7%
High Performers (80%+)
6

Top Categories

Science
93.2%
Knowledge
89.6%
Multimodal
80.0%
Agents
69.9%
Coding
65.2%
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All Benchmark Results for GPT-5.2
Complete list of benchmark scores with detailed information
TAU2-Bench Telecom
Agents
98.70
98.7%
Self-reported
GPQA Diamond
Science
93.20
93.2%
Unverified
MMMLU
Knowledge
89.60
89.6%
Self-reported
TAU2-Bench Retail
Agents
82.00
82.0%
Self-reported
MMMU-Pro with Tools
Multimodal
80.40
80.4%
Self-reported
SWE Bench Verified
Coding
80.00
80.0%
Unverified
MMMU-Pro
Multimodal
79.50
79.5%
Self-reported
BrowseComp
Agents
77.90
77.9%
Self-reported
GDPVal AA ELO
Agents
1462.00
73.1%
Self-reported
Terminal Bench 2.0
Coding
64.70
64.7%
Unverified
Showing 1 to 10 of 18 benchmarks