Evidence record
Llama 3.1 405B Instruct
Cybench · Evidence record
Original source charts and materials
Reported results
Source order · reported configurations
Select systems
Unguided performance
0–100%Values describe the measured outcome under the source protocol, not a general safety score.
Table 2: one attempt per task with the structured bash agent. Unguided performance is averaged across tasks; guided and subtask performance are macro-averaged. Evaluation date not specified; publication / record dates are shown below.
Evaluation conditions and system configurations
- Llama 3.1 405B Instruct
- 40 CTF tasks · Table 2 · Cybench
- modelVersion: not specified · harness: Structured bash · tools: not specified · budget: not specified
| System / configuration | Unguided performance | Subtask-guided performance | Subtask performance | Publication / verification |
|---|---|---|---|---|
| 7.5% | 15.0% | 20.5% | Source checked2026-10-25 |
Method and scope
Task completion on 40 professional CTF problems.
- Evidence type
- Benchmark
- Assessment subject
- AI agent solving CTF tasks
- Primary dimension
- Capability
- Evidence snapshot
- 2026-10-29.1
Primary dimension follows the source’s measured construct. Metric-level interpretations may differ.
Source finding
Source-reported measurements for Llama 3.1 405B Instruct in Table 2; values are transcribed, not independently reproduced.
Limitations
Competition tasks and supplied guidance differ from operational attacks.
Configuration, task and aggregation differences remain as reported. Source order is retained. Transcription is not independent replication; no cross-protocol ranking is supported.
Related research questions
Cybersecurity / Cyber task execution →
The source directly measures the stated construct under its protocol.
References
Numerical results are reported by the cited authors.
- [1] Andy K. Zhang, Neil Perry, et al.. Cybench: A Framework for Evaluating Cybersecurity Capabilities and Risks of Language Models. 2025-04-12. v4 [arXiv]; Author affiliations on the original paper title page; Table 2