
AI Search Platform Updates February 2026: GPT-5, Claude 4.5, Perplexity Sonar Deep Dive and Strategic Visibility Implications
Comprehensive analysis of the latest AI search platform updates including GPT-5 features, Claude 4.5 capabilities, Perplexity Sonar performance, and strategic implications for brand visibility. Includes platform comparison matrices, performance benchmarks, feature analysis, and optimization recommendations for each platform.