Published on: June 30, 2026 3 min read Anthropic's Claude Sonnet 5 is available on GitLab Duo Agent Platform. It's the first model to complete every task in our evaluation suite, delivering higher quality. Anthropic’s Claude Sonnet 5 is now available on GitLab Duo Agent Platform across all tiers and deployment models through GitLab's AI Gateway. Claude Sonnet 5 is built for work that agents assist...