BrowseComp Long Context 128k — leaderboard

Long-context BrowseComp variant for hard-to-find web questions, evaluating whether models can use a 128k context budget to retrieve and reason over evidence.

Source: openai.com. Status: saturation imminent.

Interactive version: theaggregate.ai/benchmark?slug=browsecomp-long-context-128k · How the rankings work · Data refreshed daily, snapshot 2026-07-22.