Anthropic launches Claude Sonnet 5 for agentic workflows

Anthropic launched Claude Sonnet 5, a mid-size model with Opus-tier agentic and coding performance at lower prices, now default on free and Pro tiers and available on GitHub Copilot and Amazon Bedrock. Introductory pricing is $2 per million input tokens and $10 per million output tokens through August, rising thereafter.

Industry context: For AI engineers and product teams, cheaper, agent-capable models change cost and architecture tradeoffs for long-horizon automation and IDE/CLI integrations. Anthropic announced Claude Sonnet 5 as a mid-size Sonnet-class model that delivers stronger agentic and coding performance near Opus-tier intelligence while coming at lower price points. According to Anthropic's announcement, Sonnet 5 is the new default on Claude's free and Pro tiers and is available across Max, Team, and Enterprise plans Anthropic blog . GitHub and AWS also announced availability: GitHub published that Sonnet 5 is generally available in GitHub Copilot GitHub blog , and AWS published that Sonnet 5 is available on Amazon Bedrock AWS blog . TechCrunch and other coverage reported introductory pricing at $2 per million input tokens and $10 per million output tokens through August, rising to $3 input and $15 output per million tokens thereafter TechCrunch . Gizmodo and other outlets note improved agentic capability alongside reported weaknesses in cybersecurity tasks Gizmodo; Anthropic system card .