Benchmark

BrowseComp Long Context 256k Benchmark

What is BrowseComp Long Context 256k?

BrowseComp is a benchmark for measuring the ability of agents to browse the web, comprising 1,266 questions that require persistently navigating the internet…

Modality
text
Evaluates
reasoning, search
Openness
unknown
Importer
LLM Stats
Reported scores
2

Source provenance

BrowseComp Long Context 256k results and reported scores

LLM Stats

ModelOrganizationReported valueReportedEvidence
GPT-5OpenAI0.8882025-08-07evidence
GPT-5.2OpenAI0.8982025-12-11evidence

Scores are partitioned by the source that reported them and are never merged into a single cross-source ranking, because the sources measure different things and say so.

Which sources cite BrowseComp Long Context 256k?

Related reasoning, search benchmarks