# Long-context conversation memory reasoning on LongMemEval-s oracle variant HuggingFace xiaowu0162

Source: [Long-context conversation memory reasoning on LongMemEval-s oracle variant HuggingFace xiaowu0162](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-04-21T13:33:57.066Z

Evaluation of model performance on long-context conversation memory reasoning using the specific LongMemEval-s oracle variant from HuggingFace (xiaowu0162), reporting detailed metrics across single-session, multi-session, temporal reasoning, and knowledge update capabilities.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Long-context conversation memory reasoning |
| Dataset (including any stated split) | LongMemEval-s oracle variant HuggingFace xiaowu0162 |
| Metric | Single-session Accuracy (User) |
| Unit | PERCENT |
| Direction | Higher is better |
| Results loaded | 6 of 6 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [Single-session Accuracy (User)](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Single-session%20Accuracy%20(User)>): Higher is better; unit: PERCENT.

- [Single-session Accuracy (Assistant)](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Single-session%20Accuracy%20(Assistant)>): Higher is better; unit: PERCENT.

- [Single-session Preference Score](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Single-session%20Preference%20Score>): Higher is better; unit: PERCENT.

- [Knowledge Update Accuracy](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Knowledge%20Update%20Accuracy>): Higher is better; unit: PERCENT.

- [Temporal Reasoning Accuracy](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Temporal%20Reasoning%20Accuracy>): Higher is better; unit: PERCENT.

- [Multi-session Reasoning Accuracy](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Multi-session%20Reasoning%20Accuracy>): Higher is better; unit: PERCENT.

- [Overall Accuracy](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Overall%20Accuracy>): Higher is better; unit: PERCENT.

- [Task-Averaged Accuracy](<https://www.sota2.com/research/sota/long-context-conversation-memory-reasoning-on-longmemeval-s-oracle-variant-huggingface-xiaowu0162.md?metric=Task-Averaged%20Accuracy>): Higher is better; unit: PERCENT.

## Recorded results

| Method | Single-session Accuracy (User) | Result date | Report paper |
| --- | --- | --- | --- |
| Hydra DB | 100 | Not recorded | 69e7052d7d0172140ec7f35b |
| WorldDB | 98.57 | Not recorded | 69e7052d7d0172140ec7f35b |
| Supermemory | 98.57 | Not recorded | 69e7052d7d0172140ec7f35b |
| Zep | 92.9 | Not recorded | 69e7052d7d0172140ec7f35b |
| Full-ctx | 81.4 | Not recorded | 69e7052d7d0172140ec7f35b |
| Mem0 | 38.71 | Not recorded | 69e7052d7d0172140ec7f35b |

### Hydra DB

Single-session Accuracy (User): 100. Result ID: 69e77cae47f34ce924cf703f.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

Recorded evaluation configuration: {"LLM Backbone":"Gemini 3.0 Pro"}. This record does not assert independent reproduction.

### WorldDB

Single-session Accuracy (User): 98.57. Result ID: 69e77cae47f34ce924cf703e.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

[Method origin paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

Recorded evaluation configuration: {"Answer Model":"Claude Opus 4.7","Judge Model":"Claude Sonnet 4.6","Extraction Model":"Claude Haiku 4.5","Embedding Model":"OpenAI text-embedding-3-small (1536-dim)","Retrieval K":"50","Ingestion Protocol":"session-by-session"}. This record does not assert independent reproduction.

### Supermemory

Single-session Accuracy (User): 98.57. Result ID: 69e77cae47f34ce924cf7040.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

Recorded evaluation configuration: {"LLM Backbone":"Gemini 3.0 Pro"}. This record does not assert independent reproduction.

### Zep

Single-session Accuracy (User): 92.9. Result ID: 69e77cae47f34ce924cf7041.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa76b41e209131cea6e944.md>)

Recorded evaluation configuration: {"LLM Backbone":"GPT-4o"}. This record does not assert independent reproduction.

### Full-ctx

Single-session Accuracy (User): 81.4. Result ID: 69e77cae47f34ce924cf7042.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

Recorded evaluation configuration: {"LLM Backbone":"GPT-4o"}. This record does not assert independent reproduction.

### Mem0

Single-session Accuracy (User): 38.71. Result ID: 69e77cae47f34ce924cf7043.

[Reporting paper](<https://www.sota2.com/research/paper/69e7052d7d0172140ec7f35b.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa784b1e209131cea77ad6.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

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