Baba Is Solved by Fable 5 and GPT-5.6 Sol, but at what cost?

For an update on Kimi K3, Opus 5, Grok 4.5, and Gemini 3.6 Flash, see: https://quesma.com/blog/baba-kimi-k3-opus-5/

This post was directly mentioned in an OpenAI release on the ARC-AGI-3, https://openai.com/index/how-two-settings-tripled-our-arc-ag...