Claude 3, Claude 4, Sonnet, Opus, Haiku, MCP and AI safety research at Anthropic.
13 published articles
Anthropic launch analysis
Claude Sonnet 5 promises near-Opus-level reasoning and agentic performance at lower cost. Early testers report dramatic improvements in autonomous task completion and follow-through on complex, multi-step operations. With introductory pricing through August 2026, the model makes the Opus price gap harder to justify.
2026-06-30