# Claude Opus 4.7

- [Claude Security: Anthropic Enters the Defensive Security Market](https://sdd.sh/2026/05/claude-security-anthropic-enters-the-defensive-security-market.md): Anthropic's Claude Security went to public beta on April 30, bringing reasoning-based vulnerability detection to enterprise codebases. With CrowdStrike, Wiz, SentinelOne, and Palo Alto as launch partners, this is Anthropic's first step beyond the developer tools market — and its timing couldn't be better.
- [GPT-5.5 'Spud' Is OpenAI's Strongest Coding Model Yet — With One Important Asterisk](https://sdd.sh/2026/04/gpt-5.5-spud-is-openais-strongest-coding-model-yet-with-one-important-asterisk.md): OpenAI's first fully retrained base model since GPT-4.5 delivers 82.7% on Terminal-Bench 2.0 and leads on most agentic evals. But on SWE-bench Pro — the benchmark that tests real-world GitHub issue resolution — Claude Opus 4.7 still leads by 5.7 points. Here's what that split actually means.