20:50
2026-10-04
runtimewire.com
large-language-models
Claude Opus 5.5 Tops Mazur Constrained Story Writing Benchmark
Anthropic's Claude Opus 5.5 ranked first on the Mazur Constrained Story Writing 50-task sample with a mean score of 1.00 at an estimated $0.0242 per task, according to the published leaderboard. OpenAβ¦