Claude Sonnet 4.6, GPT-6 Astra, GPT-6 Sol, and GPT-6.1 Sol Tie at 87.36: 2026-10-29 Smoke Quick Test Data Brief
The 2026-10-29 YZ Index Smoke quick test covered 14 models, with Claude Sonnet 4.6, GPT-6 Astra, GPT-6 Sol, and GPT-6.1 Sol tying for first place at 87.36. As a daily 10-question quick test, Smoke is suited to short-term signals and is not equivalent to conclusions from the Full weekly ranking.