Cybench
We show this table for reference; we do not rank on it.
A cybersecurity benchmark of professional Capture the Flag tasks for measuring autonomous cyber agent capability and risk.
Benchmark score on Cybench — October 17, 2026
We compile the Cybench rows from provider self-reports. Mistral Large 4 leads the table at 93.0%, followed by Muse Spark 1.1 (92.9%). We do not use these results to rank models overall.
Mistral Large 4
Mistral
Muse Spark 1.1
Meta
2 modelsAgenticCurrentDisplay onlyUpdated October 17, 2026
Benchmark score table (2 models)
| Rank | Model / configuration | Score | Parameters (B) | Open / closed |
|---|---|---|---|---|
| 1 | Mistral Large 4Mistral | 93.0% | Not reported | Pending |
| 2 | Muse Spark 1.1Meta | 92.9% | Not reported | Closed |
About 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.
Freshness and 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.
Questions
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?
Mistral Large 4 by Mistral currently leads with a score of 93.0% on Cybench.
How many models are evaluated on Cybench?
2 AI models have published results on Cybench in the BenchLM catalog.
Compare top models on Cybench
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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