SemiAnalysis Launches GDPx Benchmark Spanning 11 Agentic Domains

SemiAnalysis on November 2, 2026 released GDPx, a benchmark for general agentic capabilities spanning 11 professional domains, in an announcement authored by Max Kan, Andrew Megalaa, and Dylan Patel. Anthropic’s Claude Opus 5.5 leads the debut leaderboard with a score of 12.0%. The official GDPx site lists the first version at 206 tasks built with 14 specialized data partners, and its leaderboard ranks 13 models.

Claude Opus 5.5 tops the ranking at an average cost of $51.41 per task with 548K output tokens. Google’s Gemini 4 Carbon places second at 10.9% and $16.29 per task, while OpenAI’s GPT-6 Astra is third at 9.6% and $53.99 per task. Meta’s Muse Wonder Full ranks fourth at 9.0% with no public price listed, and Z.ai’s GLM 5.3 is 13th at 2.7%.

SemiAnalysis describes GDPx as a true frontier-level benchmark precisely because the top score remains so low. The headline GDPx score averages each model’s pass@1 result across three attempts, weights every domain equally, and applies each task’s intended grading method, binary or continuous. The domains are chip design, cybersecurity, biology, finance, legal, quant…