03:50
2026-09-24
dev.to
large-language-models
Claude Opus 5.5: 40% cheaper, frontier-grade performance
Anthropic released Claude Opus 5.5, cutting cache-read pricing from $0.50 to $0.20 per million tokens (a 60% reduction) while matching Fable 5.1 benchmark parity at 40% lower cost and 30% faster outpu…