https://paper.kim/en/tags/coding-agents/ Recent content in Coding-Agents on paper.archive https://paper.kim/images/default-thumb.jpg https://paper.kim/images/default-thumb.jpg Hugo en-US Thu, 24 Sep 2026 19:00:00 +0900 https://paper.kim/en/posts/ai/2026-09-24-opus55-vs-gpt6-sol/ Thu, 24 Sep 2026 19:00:00 +0900 https://paper.kim/en/posts/ai/2026-09-24-opus55-vs-gpt6-sol/ Claude Opus 5.5 and GPT-6 Sol shipped 90 minutes apart on September 22. Sol is exactly half the per-token price, but cost per task, coding agent scores and the 272K surcharge tell a different story.