Claude Sonnet 5
Most agentic Sonnet yet. Default on Free and Pro for coding, tools, and daily work.
All Sonnet versions in this review
This catalog is the Sonnet line as listed on Anthropic’s Sonnet product page. Names stay in the original spelling. For the live picker, use the official site; this page is a map.
Claude Sonnet 4.6
Hybrid reasoning with a 1M context window for agents and high-volume jobs.
Claude Sonnet 4.5
Agents, coding, computer use, and long-running tasks from the 2025 Sonnet line.
Claude Sonnet 4
Practical Sonnet for assistants and high-volume work, announced May 2025.