---
id: 5555
title: "Claude Opus 5 on GitLab: Reasoning built for the hard tasks"
vendor: "GitLab"
product: "GitLab Duo Agent Platform"
source_domain: about.gitlab.com
source_url: "https://about.gitlab.com/blog/claude-opus-5-on-gitlab-duo-agent-platform/"
published_at: "2026-07-27 00:00"
tags: ["ai-security", "agentic-ai", "gitlab", "devsecops", "ai-agents", "anthropic", "claude-opus-5", "duo-platform"]
phying_url: "https://phying.com/item/5555"
lang: en
---

# Claude Opus 5 on GitLab: Reasoning built for the hard tasks

## Summary

GitLab brings Anthropic's Claude Opus 5 to its Duo Agent Platform for complex tasks like multi-file features and large refactors. Internal evaluation shows 93.3% resolution versus 73.0% for Opus 4.8.

## Intelligence Metadata

- **Sources:** about.gitlab.com
- **Vendor:** GitLab
- **Product:** GitLab Duo Agent Platform
- **Published:** 2026-07-27 00:00
- **Original:** https://about.gitlab.com/blog/claude-opus-5-on-gitlab-duo-agent-platform/
- **Phying News:** https://phying.com/item/5555