AI research and products that put safety at the frontier. AI will have a vast impact on the world. Anthropic is a public benefit corporation dedicated to securing its benefits and mitigating its risks.
2026 Public Benefit Report
Anthropic is a Public Benefit Corporation (PBC), a designation that requires us to balance the financial interests of shareholders with the benefit to the broader public. This report takes stock of what we are doing to serve the public benefit, and of the work ahead.
Introducing Claude Haiku 5.5
Claude Haiku 5.5 is our fastest, most capable small model. Built for high-volume work like summarization, subagents, and browser use.
Introducing Claude Sonnet 5.5
Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.
Introducing Claude Opus 5.5
Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.
