8000 WIP: Add LongMemEval evaluation scripts by edwinyyyu · Pull Request #680 · MemMachine/MemMachine · GitHub
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WIP: Add LongMemEval evaluation scripts #680

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WIP: Add LongMemEval evaluation scripts #680

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@edwinyyyu edwinyyyu commented Dec 4, 2025 •
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Purpose of the change

Add LongMemEval evaluation scripts.

Description

WIP. Uses internal APIs to test long-term memory in isolation.

91.4% LLM judge score on LongMemEval with committed configuration, when combined with #660, #679.

Uses GPT-5 for answering and GPT-4o for judge to be comparable with SuperMemory, which claims 84.6% with the same models, and a maximum of 85.2% with gemini-3-pro-preview answering.

Type of change

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Refactor (does not change functionality, e.g., code style improvements, linting)
  • Documentation update
  • Project Maintenance (updates to build scripts, CI, etc., that do not affect the main project)
  • Security (improves security without changing functionality)

How Has This Been Tested?

WIP

  • Unit Test
  • Integration Test
  • End-to-end Test
  • Test Script (please provide)
  • Manual verification (list step-by-step instructions)

Test Results: [Attach logs, screenshots, or relevant output]

Checklist

[Please delete options that are not relevant.]

  • I have signed the commit(s) within this pull request
  • My code follows the style guidelines of this project (See STYLE_GUIDE.md)
  • I have performed a self-review of my own code
  • I have commented my code
  • I have made corresponding changes to the documentation
  • My changes generate no new warnings
  • I have added unit tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes
  • Any dependent changes have been merged and published in downstream modules
  • I have checked my code and corrected any misspellings

Maintainer Checklist

  • Confirmed all checks passed
  • Contributor has signed the commit(s)
  • Reviewed the code
  • Run, Tested, and Verified the change(s) work as expected

@edwinyyyu edwinyyyu force-pushed the longmemeval-scripts branch 6 times, most recently from d3ad93b to addb80e Compare December 4, 2025 22:58
@edwinyyyu edwinyyyu requested review from tomw-mv and vinares December 5, 2025 00:16
@edwinyyyu edwinyyyu force-pushed the longmemeval-scripts branch 2 times, most recently from cf85229 to a249f82 Compare December 5, 2025 23:51
@edwinyyyu
Add LongMemEval scripts
3780dc6 
Signed-off-by: Edwin Yu <edwinyyyu@gmail.com>
@edwinyyyu edwinyyyu force-pushed the longmemeval-scripts branch 5 times, most recently from bf89c4c to 376a028 Compare December 10, 2025 01:58
@edwinyyyu
Maybe improve prompt
4299590 
Signed-off-by: Edwin Yu <edwinyyyu@gmail.com>
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Reviewers

@jgong jgong 6B96 Awaiting requested review from jgong

@malatewang malatewang Awaiting requested review from malatewang

@o-love o-love Awaiting requested review from o-love

@Tianyang-Zhang Tianyang-Zhang Awaiting requested review from Tianyang-Zhang

@tomw-mv tomw-mv Awaiting requested review from tomw-mv

@vinares vinares Awaiting requested review from vinares

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