Claude Opus 4.7, GPT-5.5, GPT-6 Astra, and GPT-6.1 Sol Tie at 86.25: 2026-10-02 Smoke Quick Test Data Brief
The 2026-10-02 YZ Index Smoke quick test covered 15 models, with Claude Opus 4.7, GPT-5.5, GPT-6 Astra, and GPT-6.1 Sol tying for first place at 86.25. Smoke is a daily 10-question quick test intended for short-term signals and should not be treated as equivalent to the Full weekly leaderboard.