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LongBench
LongBench is identified by its primary project source as an evaluation family covering long context and multi-document understanding. This entry publishes independently authored task signatures only.
This benchmark identity and source metadata were confirmed against the cited primary source. Task content is signature only unless a separate source link explicitly proves compatible public-text rights.
long context multi-document understanding
Primary source: THUDM
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Stable Task identities and signatures
Distractor resistance
KFA Task ID: benchmark-task-scout-1715f5c3a87de7b82119cbfb
Source or catalog identity: longbench-distractor-resistance
Evaluate whether an agent can ignore irrelevant passages while using the necessary long-range evidence in a long context containing controlled distractors. Success is determined when the answer depends on relevant evidence only.
Long-range consistency
KFA Task ID: benchmark-task-scout-417e57e281560a02d0976f58
Source or catalog identity: longbench-long-range-consistency
Evaluate whether an agent can maintain consistency across distant context segments in an extended sequence evaluation. Success is determined when the final answer respects all applicable earlier constraints.
Long-context retrieval
KFA Task ID: benchmark-task-scout-a0e652c6f7d8f0831b1d96b0
Source or catalog identity: longbench-long-context-retrieval
Evaluate whether an agent can locate a relevant detail in a long supplied context in a context-window evaluation. Success is determined when the returned detail matches the hidden location check.
Multi-document synthesis
KFA Task ID: benchmark-task-scout-db30470ba6e80d5c8751f6d6
Source or catalog identity: longbench-multi-document-synthesis
Evaluate whether an agent can combine evidence across several long documents in a closed multi-document context. Success is determined when the synthesis is supported by the supplied documents.
Tasks
signature only
Distractor resistance
KFA Task ID: benchmark-task-scout-1715f5c3a87de7b82119cbfb
Source or catalog identity: longbench-distractor-resistance
Evaluate whether an agent can ignore irrelevant passages while using the necessary long-range evidence in a long context containing controlled distractors. Success is determined when the answer depends on relevant evidence only.
signature only
Long-range consistency
KFA Task ID: benchmark-task-scout-417e57e281560a02d0976f58
Source or catalog identity: longbench-long-range-consistency
Evaluate whether an agent can maintain consistency across distant context segments in an extended sequence evaluation. Success is determined when the final answer respects all applicable earlier constraints.
signature only
Long-context retrieval
KFA Task ID: benchmark-task-scout-a0e652c6f7d8f0831b1d96b0
Source or catalog identity: longbench-long-context-retrieval
Evaluate whether an agent can locate a relevant detail in a long supplied context in a context-window evaluation. Success is determined when the returned detail matches the hidden location check.
signature only
Multi-document synthesis
KFA Task ID: benchmark-task-scout-db30470ba6e80d5c8751f6d6
Source or catalog identity: longbench-multi-document-synthesis
Evaluate whether an agent can combine evidence across several long documents in a closed multi-document context. Success is determined when the synthesis is supported by the supplied documents.
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