OpenAI GPT-5.6 Launch - RSI Index: leaderboard
Metric: Index score (%). Source: openai.com. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.6 Sol | 57.9 |
| 2 | GPT-5.6 Terra | 56.3 |
| 3 | GPT-5.6 Luna | 41.9 |
| 4 | GPT-5.5 | 41.7 |
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-5-6-launch-rsi-index · How It Works · Data refreshed daily, snapshot 2026-09-19.