Benchmark Almanac

GPT-5.2 Pro

GPT-5.2 Pro places in the top three on 4 benchmarks.

OpenAI Released 11 Dec 2025
23
Benchmarks with a score
0
Ranked first, out of five or more models
4
In the top three
OpenAI Dec 2025

GPT-5.2 Pro

Closed weights

156.5 #31 of 271
Epoch Capabilities Index
  • FrontierMath Tier 4 31.3% #5 /55
  • LABBench2 58.3% #2 /5
  • PRBench 45.4% #22 /44

Where it ranks

Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.

Knowledge and language

BenchmarkScoreRankSource
SuperGPQA 67.1% #2 of 58 Official leaderboard
Humanity's Last Exam 50% #38 of 147 Model card
SkateBench v2 71.8% #8 of 21 Official leaderboard
Extended NYT Connections 79.3% #40 of 97 Official leaderboard

Math and science

BenchmarkScoreRankSource
GPQA Diamond 93.2% #10 of 284 Model card
AIME 2025 100% #7 of 143 Model card
HMMT 2025 100% #3 of 49 Model card
FrontierMath Tier 4 31.3% #5 of 55 Epoch AI
FrontierMath Tiers 1-3 v2 74% #24 of 89 Epoch AI
IMProofBench 36.9% #3 of 10 Official leaderboard
ARC-AGI 90.5% #31 of 92 Official leaderboard
FrontierMath Tier 4 v2 46% #26 of 71 Epoch AI
LABBench2 58.3% #2 of 5 Official leaderboard
ARC-AGI-2 54.2% #40 of 95 Official leaderboard
SimpleBench 57.4% #43 of 100 Official leaderboard

Agents and tools

BenchmarkScoreRankSource
Chess Puzzles 60% #8 of 83 Epoch AI
Pencil Puzzle Bench 26.7% #10 of 53 Official leaderboard
BrowseComp 77.9% #31 of 77 Model card

Professional work

BenchmarkScoreRankSource
TaxCalcBench 41.2% #6 of 17 Official leaderboard
PRBench 45.4% #22 of 44 Official leaderboard
GDPval 74.1% #6 of 10 Model card
Investment Banking Modeling Tasks (OpenAI) 71.7% #3 of 4 Model card

Safety and security

BenchmarkScoreRankSource
Human Pathogen Capabilities Test v2 (HPCT v2) 64% #19 of 71 Official leaderboard

OpenAI's models over time

OpenAI's models in color, against every other model on the Epoch Capabilities Index, by release date.

50 75 100 125 150 175 2023 2024 2025 2026 2027 GPT-6.1 Terra GPT-6 Luna GPT-5.5 Instant GPT-5.4 Mini GPT-5.2 Pro GPT-5 GPT-5 nano 50 75 100 125 150 175 2023 2024 2025 2026 2027 GPT-6.1 Terra GPT-6 Luna

Its launch post

The benchmarks the lab chose to headline, with the scores it gave.