Anthropic Releases BioMysteryBench Benchmark
Benchmark Stats
- Release Date
- 2026-04-29
- Total Problems
- 99
- Human-Difficult Problems
- 23
- Mythos Preview Solve Rate (Difficult)
- 30%
Anthropic released BioMysteryBench, a new benchmark with 99 bioinformatics problems from real datasets. Latest Claude models including Mythos Preview solved around 30% of the 23 problems that stumped human experts.