RAG & retrieval

RULER

by NVIDIA

What is RULER? RULER is a rag & retrieval eval made by NVIDIA. Generates synthetic long-context tests at whatever length you choose, with 13 tasks in 4 categories that go beyond finding a single needle in a haystack. Its results compare each model's advertised context length with the length at which it still performs well.

Page last updated 2026-10-16 · Evals Review

Editor note

Generates synthetic long-context tests at whatever length you choose, with 13 tasks in 4 categories that go beyond finding a single needle in a haystack. Its results compare each model's advertised context length with the length at which it still performs well.

What it tests
How much of a long context window a model can really use.
Original source
github.com/NVIDIA/RULER
Last updated
Repo last commit 2026-07-22
License
Apache-2.0

Facts come only from the linked source (checked 15–16 Oct 2026). Credit belongs to the creators.

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