Overview
CryptanalysisBench is a benchmark package of cryptographic-cipher attack tasks designed to evaluate LLM cryptanalytic capability. Launched by anthropic with academic partners (ETH Zurich, Tel Aviv University, TU Berlin / related labs per coverage).
Recent Developments
- 2026-07-28: Released alongside Mythos HAWK / reduced-round AES results (2026-07-30-anthropic-mythos-hawk-aes-cryptanalysis)