OpenAI ChatGPT Pro - GPQA Diamond 4/4 Reliability: leaderboard

The "GPQA Diamond 4/4 Reliability" subtask of OpenAI ChatGPT Pro. A benchmark result reported by OpenAI for ChatGPT Pro, as self-reported by the model developer.

Metric: 4/4 reliability (%). Source: openai.com. 3 models tracked.

Top models

#ModelScoreOverall rank
1O1 Pro74#228
2O167#183
3O1 Preview58#193

Interactive version: theaggregate.ai/benchmark?slug=openai-chatgpt-pro-gpqa-diamond-4-4-reliability · How It Works · Data refreshed daily, snapshot 2026-10-20.