Development

Near-perfect 256k-token recall on MRCRv2

development2025-12-12

Claim

GPT-5.2 Thinking achieved near-perfect recall on the 256k-token MRCRv2 document integration test.

Reported metric: near-perfect at 256k tokens

Reporting date: 2025-12-12 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to December 12, 2025 (theinnermostloop.substack.com)

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About

MRCRv2

Reported in

Welcome to December 12, 2025

Actor

OpenAI

Referenced by

Welcome to December 12, 2025

Cite or correct this record

Citation formatCitation text

Near-perfect 256k-token recall on MRCRv2
Innermost Loop KB — secondary record
Reporting date: 2025-12-12
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2025-12-12-mrcrv2-long-context-recall
Claim: GPT-5.2 Thinking achieved near-perfect recall on the 256k-token MRCRv2 document integration test.
Attributed sources:
- Welcome to December 12, 2025 — https://theinnermostloop.substack.com/p/welcome-to-december-12-2025
This citation does not imply independent verification of linked-source claims.

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