OpenAI MRCR v2 8-needle 512K-1M — leaderboard

OpenAI MRCR v2 8-needle long-context retrieval variant for the 512K-1M context range.

Source: openai.com.

Interactive version: theaggregate.ai/benchmark?slug=openai-mrcr-v2-8-needle-512k-1m · How the rankings work · Data refreshed daily, snapshot 2026-07-22.