Software Engineering 3.0 Era

Sep 30, 2025 · Artificial Intelligence

Claude Sonnet 4.5 Launch: 30‑Hour Continuous Coding and Major Capability Boost

Anthropic's Claude Sonnet 4.5 arrives as the strongest coding model yet, delivering over 30 hours of uninterrupted programming, major gains in reasoning, math and agent tasks, safety‑aligned training, new API features, benchmark‑leading performance, and pricing identical to Sonnet 4.