Reasoning Models 2026: Extended Thinking, Test-Time Compute and Chain-of-Thought for Swiss Businesses
Why reasoning models are the most important LLM development since GPT-4: Claude 4.7 Thinking, OpenAI o4, Gemini 2.5 Pro Thinking and DeepSeek-R2 compared — with architecture, cost optimization, Swiss governance and 6 real-world use cases with measurable ROI.