71 AI systems named in 627 claims, grouped by who makes them and by product line, each with the record computed from its claims. These are counts of recorded work, not a ranking of ability: which problems attract attention has little to do with how hard they are.
GPT-5.5 Pro 73·GPT-5.4 Pro 45·GPT 43·GPT-5.2 Pro 30·GPT-5.2 Thinking 29·GPT-5 24·GPT-5.4 Thinking 19·GPT-5.5 14·GPT-5.4 10·GPT-5.2 6·GPT-5.5 Thinking 5·GPT-6 Astra 5·GPT-5.6 Sol 4·GPT Pro 2·GPT-5.2 multi-agent system 1·GPT-5.3 Instant 1
Codex 30·GPT-5.2-Codex 1
Gemini Deep Research 14·Gemini 8·Gemini 3 Pro 8·Gemini 3.1 Pro 8·Gemini 3 Flash 6·Gemini Pro 3·Gemini 3 2·Gemini Deep Think 2·Gemini 3.1 1·Gemini 3.1 Deep Think 1·Gemini Flash 1
Claude 24·Claude Opus 4.7 9·Claude Opus 4.6 8·Claude Opus 4.5 4·Claude Opus 4.8 4·Claude Fable 5 3·Claude Mythos 2·Claude Opus 2·Claude Sonnet 4.6 2·Claude Sonnet 4.5 1
Each maker is attributed from a source, linked on each system's page. Claims whose source names no system, or several without saying which, appear on their problems but are not counted here.