Cybench
A cybersecurity benchmark of professional Capture the Flag tasks for measuring autonomous cyber agent capability and risk.
Data verified 24 confirmed releases in the last 30 daysStart free briefBenchmark score on Cybench — August 22, 2026
We mirror the published score view for Cybench. Muse Spark 1.1 leads the public snapshot at 92.9%. We do not use these results to rank models overall.
Benchmark score table (1 model)
ScoreAbout Cybench
Year
2025
Tasks
40 professional CTF tasks
Format
Cybersecurity agent task completion
Difficulty
Professional cybersecurity
Cybench packages recent professional CTF tasks with execution environments and subtasks. BenchLM tracks provider-reported Cybench rows as display-only security-agent capability signals.
BenchLM freshness & provenance
Version
Cybench 2025
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
FAQ
What does Cybench measure?
A cybersecurity benchmark of professional Capture the Flag tasks for measuring autonomous cyber agent capability and risk.
Which model scores highest on Cybench?
Muse Spark 1.1 by Meta currently leads with a score of 92.9% on Cybench.
How many models are evaluated on Cybench?
1 AI models have been evaluated on Cybench on BenchLM.
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
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