Agent Memory Leaderboard
FROM THE AML TEAM

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Ideas, research, and updates from the team building Agent Memory Leaderboard.

A closer look at agent memory.
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15 posts
Cycle 2 Announcements5 min read

48 Hours Left: CSIG AML Cycle 2 Project Submission Deadline Approaches

Key dates for Full evaluation, resuming existing tasks, participant and team registration, result review, and the official Cycle 2 leaderboard release.

Cycle 2 Announcements8 min read

AML Is in Full Swing: Participant FAQ, Part 2

Practical answers on application follow-ups, version registration, cross-track integration, endpoint issues, and model eligibility for Cycle 2.

Cycle 2 Announcements12 min read

AML Phase II Is Open: Participant FAQ

AML Cycle 2 public evaluation opened on September 20, 2026, at 00:00. This FAQ covers registration, models, Add/Search integration, recovery, and results.

Cycle 2 Announcements6 min read

Two Days to Go | CSIG-Hosted Agent Memory Challenge 2026 Cycle 2 Participation Guide

Two Days to Go | Agent Memory Challenge 2026 Cycle 2 Participation Guide

Research6 min read

AML Official Analysis II | Coding Memory Leaderboards: How Do Industry and Open-Source Methods Perform?

Compared with textual memory, Coding Memory asks a more direct question: can experience accumulated during previous development actually help an Agent complete subsequent software engineering tasks?

Spotlight12 min read

AML Leading-Method Spotlight | FlowGrid AML Retriever: How a Markdown Decision Log Became an Agent Memory Retriever

There is no single answer to Agent Memory.

Spotlight16 min read

AML Leading-Method Spotlight | ChronoHybridMem: From Conversations to Verifiable Memory Evidence

There is no single answer to Agent Memory.

Spotlight10 min read

AML Leading Methods Explained | ActiveMemoryIndex: Why Does a System Without Memory Governance Rank First in Governance?

ActiveMemoryIndex explains its raw-record-first design, transparent ablations, the limits of item-count budgets, and the next steps for neighboring context and temporal reasoning.

Cycle 2 Announcements6 min read

Hosted by CSIG | RMB 150,000 Prize Pool: The Second Agent Memory Challenge Is Coming

The second Agent Memory Challenge will open on September 20, 2026, with Textual, Coding, and Multimodal tracks, unified evaluation, and an RMB 150,000 prize pool.

Spotlight11 min read

AML Leading Methods Explained | ReFind: Active Search Lets Agents Browse Original Chat Logs

ReFind preserves raw chat logs and moves memory computation to query-time active search. Its AML results and the InMind benchmark reveal both the strengths and limits of this approach.

Spotlight15 min read

AML Leading Methods Explained | From Similarity to Completeness: How InvMem Retrieves Truly Useful Long-Term Memories

InvMem combines fine-grained chunking, Dense and BM25 retrieval, Weighted RRF, and same-session neighboring expansion to turn relevant fragments into complete memory evidence.

Research10 min read

AML Official Analysis, Part I: What Does the Textual Open-Source Leaderboard Reveal?

The top three are separated by just 0.22 points, yet excel in different ways. A closer look at seven capability areas reveals distinctive strengths, weaknesses, and open questions beyond the overall ranking.

Cycle 1 Announcements3 min read

The First AML Leaderboard Is Officially Released!

The first AML leaderboard publishes textual-track results from 67 memory frameworks, evaluated and reviewed through a unified pipeline. Explore rankings, capability profiles, and opportunities to contribute.

Cycle 1 Announcements5 min read

An Agent Only Starts to Understand You When It Has a Yesterday

Agents need more than the ability to think: they need the ability to remember. AML establishes a shared standard for comparing memory systems and invites the community to the first Agent Memory Challenge.

Cycle 1 Announcements9 min read

The Agent Memory Challenge Launches: The First Open Tournament for Memory Systems

AML brings multi-source data, a unified evaluation pipeline, capability profiles, and low-barrier integration together in an open, reproducible evaluation framework. The first Agent Memory Challenge is now open.