# Agents' Last Exam, Linux subset (Agents' Last Exam (Linux))

> The Linux subset of Agents' Last Exam, an end-to-end agent task benchmark, as reported by Meta.

Canonical page: https://benchlm.ai/benchmarks/agentslastexamlinux

- Category: [Agentic](/agentic)
- Last updated: November 11, 2026

## About Agents' Last Exam (Linux)

- Year: 2026
- Tasks: Linux agent tasks (subset size not published)
- Format: Provider-reported task score
- Difficulty: Advanced agentic work
- Paper: [Introducing Muse Ember](https://research.meta.ai/blog/muse-ember)

Meta reports Muse Ember and its comparison models on the Linux subset in its internal evaluation suite, at max reasoning effort. Meta does not publish the subset size or version, so BenchLM keeps it apart from the full Agents' Last Exam key and the 86-task CLI subset and stores it display-only.

Agents' Last Exam (Linux) is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (3 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [Muse Ember](/models/muse-ember) | Meta | 61.6% |
| 2 | [GPT-6 Luna](/models/gpt-6-luna) | OpenAI | 57.1% |
| 3 | [Claude Haiku 5.5](/models/claude-haiku-5-5) | Anthropic | 57.0% |

## FAQ

### What does Agents' Last Exam (Linux) measure?

The Linux subset of Agents' Last Exam, an end-to-end agent task benchmark, as reported by Meta.

### Which model scores highest on Agents' Last Exam (Linux)?

Muse Ember by Meta currently leads with a score of 61.6% on Agents' Last Exam (Linux).

### How many models are evaluated on Agents' Last Exam (Linux)?

3 AI models have published results on Agents' Last Exam (Linux) in the BenchLM catalog.

### Does Agents' Last Exam (Linux) affect BenchLM's overall score?

Not directly. Agents' Last Exam (Linux) is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Compare Top Models on Agents' Last Exam (Linux)

- [Muse Ember vs GPT-6 Luna](/compare/gpt-6-luna-vs-muse-ember)
- [GPT-6 Luna vs Claude Haiku 5.5](/compare/claude-haiku-5-5-vs-gpt-6-luna)