Claude Opus 4.6: Full Breakdown of Anthropic’s New AI Model with 1M Context Window
On February 5, 2026, Anthropic released Claude Opus 4.6 — the latest and most capable model in its Claude lineup. Arriving just three months after Opus 4.5, this release brings a 1-million-token context window to the Opus family for the first time, introduces collaborative agent teams in Claude Code, and delivers benchmark results that put it ahead of GPT-5.2 and Gemini 3 Pro across most evaluations. But the headline number that caught the industry’s attention wasn’t a benchmark score. It was 500 — the number of previously unknown security vulnerabilities Opus 4.6 discovered in open-source code during pre-release testing, with little to no human prompting. This article breaks down everything […]
