<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>devtake.dev — #mythos</title><description>Articles tagged mythos on devtake.dev.</description><link>https://devtake.dev/</link><language>en-us</language><item><title>Claude Opus 4.7 is here, and the long-context benchmarks got worse</title><link>https://devtake.dev/article/anthropic-claude-opus-4-7-launch/</link><guid isPermaLink="true">https://devtake.dev/article/anthropic-claude-opus-4-7-launch/</guid><description>Anthropic&apos;s Opus 4.7 is state-of-the-art on SWE-bench and CursorBench, but independent tests show regressions on long-context retrieval and thematic reasoning.</description><pubDate>Fri, 17 Apr 2026 09:30:00 GMT</pubDate><category>ai</category><category>claude</category><category>anthropic</category><category>opus-4-7</category><category>llm</category><category>benchmarks</category><category>mythos</category><category>ai-models</category><author>dieter-morelli</author></item></channel></rss>