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OpenAI MRCR v2

Saturated

Long-context retrieval benchmark from OpenAI: find and reproduce multiple planted needles across a very long context.

Domain
long-context
Published
Sep 2026
Notable for
Long-context benchmark used at the GPT-6 Astra launch.

Cite

Notes

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Attribution

Leaderboard scores
OpenAI
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Top score 96.3% by GPT-6 Astra - 1 model reporting (1 frontier)

Top models

1
OpenAI MRCR v2Bar chart with 1 bar. Highest value: GPT-6 Astra at 96.3.
1 model

FAQ

What is OpenAI MRCR v2?
Long-context retrieval benchmark from OpenAI: find and reproduce multiple planted needles across a very long context.
What is the current top score on OpenAI MRCR v2?
The top reported score is 96.3% by GPT-6 Astra, across 1 model reporting (1 from frontier labs).