OpenAI GPT-5.6 Launch - OpenAI MRCR v2 8-needle 256K-512K: leaderboard
Metric: Score (%). Source: openai.com. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.6 Sol | 91.5 |
| 2 | GPT-5.6 Terra | 89.6 |
| 3 | GPT-5.5 | 81.5 |
| 4 | GPT-5.6 Luna | 41.3 |
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-5-6-launch-openai-mrcr-v2-8-needle-256k-512k · How It Works · Data refreshed daily, snapshot 2026-09-19.