Claude Opus 5: What Anthropic Documented About Its Own Model
Anthropic shipped a prompting guide and a 194-page System Card with Claude Opus 5. Between them: over-verification, scope drift and a higher hallucination rate.
Anthropic shipped a prompting guide and a 194-page System Card with Claude Opus 5. Between them: over-verification, scope drift and a higher hallucination rate.
Anthropic shipped Claude Opus 5 on 24 July 2026 with a 1M-token context and thinking on by default. The $5 per million input tokens is not a price cut.
Researchers found result_source: "bing" in ChatGPT's network traffic, a fifth retrieval pipe switched on account by account. What it does and does not say.
Cloudflare's EmDash lets AI agents manage content through MCP, not just humans clicking buttons. What an AI-native CMS changes, and what it does not.
Suganthan Mohanadasan read ChatGPT's network traffic instead of guessing from its answers. It reads your own page for facts and everyone else's for opinion.
Lily Ray's analysis finds Google's AI Overviews cite self-promotional 'best [category]' listicles but recommend rivals about 69% of the time.
Google's June 2026 paper argues for light-touch, evidence-based AI regulation in the US. Read from the EU, the useful question is what a site owner should do.
A Google Research paper details S-CTS, a LoRA-powered system that hunts coordinated AI 'slop' on video platforms. How it works and the verified results.
Google quietly told marketers to stop optimizing for robots. What really changes in the AI-search era and where the company leaves a few things unsaid.