Irregular FrontierCyber and Atomic Challenges

Muse Spark 70% Only in system cards

Irregular's external suites: FrontierCyber (226 real software/hardware challenges) and Atomic Challenges (22 skill-level tasks).

Made by Irregular Capture-the-flag challenges Tasks kept private Last in a system card Jul 2026 Last model added Jul 2026

Level: Expert Specialists with years of training, often over hours of work
Scored: Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers: Agent task Many steps in a terminal, browser, desktop, app, game or robot.

Models scored in lab cards

System cards report it, from 1 lab

Muse Spark leads with 70%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

Bars Table

1 Muse Spark 70%
2 Muse Spark 1.1 67%

#	Model	Score	Setting	Date	Source
1	Muse Spark	70%		Jun 2026	Model card
2	Muse Spark 1.1	67%		Jul 2026	Model card

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card

Labs report it only in system cards

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.

2 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

Date	Document	Score	As the document writes it	Section
9 Jul 2026	Muse Spark 1.1 system card	67	Irregular atomic challenges, overall pass@1, 40 challenges (Table 5). pass@20 = 82.5	Cyber risk
12 Jun 2026	Muse Spark system card	70	Irregular atomic challenges, 19 of 27 solved in at least one of 20 runs (Table 9)	Cyber risk

Muse Spark leads with 70%

Scores over time

Labs report it only in system cards

2 system cards report it, from 1 lab

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