claude-sonnet-5

Claude Sonnet 5 and Claude Science: What's New and How to Evaluate Them

In one week Anthropic shipped Claude Science, released Claude Sonnet 5, and made its models globally available after safety testing. Here's what changed and how to evaluate it for your stack.

07/03/2026 · Model Evaluation · 7 min read

Claude Sonnet 5: What's New, How It Benchmarks, and Where Claude Science Fits

Anthropic shipped Claude Sonnet 5, the Claude Science product, and a global-release clearance in one 48-hour window. Here's what actually changed for builders — capabilities and cost first, policy last.

07/02/2026 · Model Evaluation · 8 min read