MRCR v2 8-needle 256K-512K leaderboard
MRCR v2 8-needle 256K-512K
3 models tested · Updated 2026-07-09 · Verified sources only
GPT-5.6 Sol leads at 91.5%
1
256K-512K range 8-needle MRCR. Beats Terra (89.6).
91.5%
3
Luna collapses on long-context. Terra scores 89.6.
41.3%