Benchmarking Kimi K3, Opus 5, Grok 4.5, and Gemini 3.6 Flash on Baba Is You

We evaluate July 2026 fresh releases Kimi K3, Claude Opus 5, Grok 4.5, and Gemini 3.6 Flash on Baba Is Bench, an LLM agent benchmark based on the puzzle game Baba Is You, comparing pass rate, speed, and cost with Claude Fable 5 and GPT-5.6.