Model Analysis 2026年10月19日
GPT-6.1 Sol vs Claude Sonnet 5.5 vs Grok 4.7: The $2-Tier Showdown (October 2026)
Three reasoning workhorses, three labs, near-identical missions — priced $1.60–$2.00 per million input tokens. Context windows, vision, output prices, and real monthly cost math to pick between GPT-6.1 Sol, Claude Sonnet 5.5 and Grok 4.7.