ModelRefs / BrowseComp Long Context Leaderboard

BrowseComp Long Context Leaderboard

OpenAI long-context question-answering benchmark with relevant search results embedded in inputs up to hundreds of thousands of tokens.

Overview

How it is measured: Exact-answer accuracy over grounded long-context question-answering tasks, reported separately by input-length range.

How this benchmark is scored

Categoryretrieval
Maximum score100 % accuracy
DirectionHigher is better

Primary source: https://huggingface.co/datasets/openai/browsecomp-long-context

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Frequently asked questions

What does the BrowseComp Long Context benchmark measure?

OpenAI long-context question-answering benchmark with relevant search results embedded in inputs up to hundreds of thousands of tokens.

What is the methodology?

Exact-answer accuracy over grounded long-context question-answering tasks, reported separately by input-length range.

Which AI model is the current BrowseComp Long Context leader?

GPT-5 (OpenAI) currently leads with 90 % accuracy.