Evaluating Long-Term Memory for AI Agents: AML Cycle 2 Is Now Open
Agent Memory Leaderboard@AgentMemoryLAgent Memory Challenge 2026 Cycle 2 is now open. Long-term memory is not just about storing more history. It is about retrieving the right evidence, recognizing what has changed, and avoiding stale context when an agent needs to act.
- ▪Agent Memory Leaderboard@AgentMemoryLAgent Memory Challenge 2026 Cycle 2 is now open.
- ▪Long-term memory is not just about storing more history.
- ▪It is about retrieving the right evidence, recognizing what has changed, and avoiding stale context when an agent needs to act.
Hacker News (AI / LLM) files mainly under ai. We currently carry 5,792 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | X (formerly Twitter) |
| Canonical URL | https://twitter.com/AgentMemoryL/status/2101515447816663222 |
| Publication time | Mon, 21 Sep 2026 06:24:34 +0000 |
| Retrieval time | 2026-09-21T06:33:47.617Z |
| Last seen | 2026-09-21T06:33:47.617Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | k4yO8x-L_xtC · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Agent Memory Leaderboard@AgentMemoryLAgent Memory Challenge 2026 Cycle 2 is now open. Long-term memory is not just about storing more history. It is about retrieving the right evidence, recognizing what has changed, and avoiding stale context when an agent needs to act. Three tracks: Textual · Coding · Multimodal Open-source Methods · Commercial Products Over USD 22,000 prize pool for eligible open-source teams. A shared Add/Search interface. Standardized Answer/Eval. Public, comparable results.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at X (formerly Twitter).