BrowseComp Extended
Not in model cards
Agents browse the web to find hard-to-locate facts with short answers. Mercor adds 100 new expert-written tasks to the 130 public ones and reports both scores.
Held-out extension of browsecomp. Mercor shows the original and extended score for each model. The month is approximate. The Wayback Machine first saved the earliest extended pages on 2026-08-15.
- Level
- Expert Specialists with years of training, often over hours of work
- Scored
- Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
- Answers
- Agent task Many steps in a terminal, browser, desktop, app, game or robot.
No scores here yet
We have no scores for BrowseComp Extended yet.
No lab model card reports it yet
We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark.
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