---
format: "aidr-story-markdown/v1"
id: "6e1dac2250c682cc49c4f6741b65535297af9797a795d69f34fa9cf465fb2308"
canonical_url: "https://aidr.today/6e1dac22?lang=en"
title: "SemiAnalysis launches GDPx, an agentic capability benchmark measuring 11 domains, including chip design, cybersecurity, and RSI; Opus 5.5 tops with a 12% score (SemiAnalysis)"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-11-02T05:20:00.000Z"
category: "Models"
topics: ["openai","agent","anthropic"]
source_urls: ["https://www.techmeme.com/261102/p1","https://x.com/SemiAnalysis_/status/2117075900575477855","https://x.com/dylan522p/status/2117092550842683671","https://x.com/JordanNanos/status/2117121448494129603","https://x.com/Techmeme/status/2117124711276748960","https://x.com/sundarpichai/status/2117113121102045347","https://huggingnews.com/ai/opus-55-tops-new-semianalysis-gdpx-ai-benchmark-with-12percent-score-994048ca","https://marketbrief.now/ai/opus-55-tops-new-semianalysis-gdpx-ai-benchmark-with-12percent-score-994048ca"]
summary: "SemiAnalysis launched GDPx, an agentic capability benchmark measuring 11 domains. Opus 5.5 topped the benchmark with a 12% score."
---

# SemiAnalysis launches GDPx, an agentic capability benchmark measuring 11 domains, including chip design, cybersecurity, and RSI; Opus 5\.5 tops with a 12% score \(SemiAnalysis\)

> [Open the canonical story](<https://aidr.today/6e1dac22?lang=en>)

**Published:** 2026-11-02T05:20:00.000Z
**Category:** Models
**Topics:** openai, agent, anthropic

## Summary

SemiAnalysis launched GDPx, an agentic capability benchmark measuring 11 domains\. Opus 5\.5 topped the benchmark with a 12% score\.

## Sources

- [Story source](<https://www.techmeme.com/261102/p1>)
- [Story source](<https://x.com/SemiAnalysis_/status/2117075900575477855>)
- [Supporting source](<https://x.com/dylan522p/status/2117092550842683671>)
- [Supporting source](<https://x.com/JordanNanos/status/2117121448494129603>)
- [Supporting source](<https://x.com/Techmeme/status/2117124711276748960>)
- [Supporting source](<https://x.com/sundarpichai/status/2117113121102045347>)
- [Story source](<https://huggingnews.com/ai/opus-55-tops-new-semianalysis-gdpx-ai-benchmark-with-12percent-score-994048ca>)
- [Story source](<https://marketbrief.now/ai/opus-55-tops-new-semianalysis-gdpx-ai-benchmark-with-12percent-score-994048ca>)