Long-Horizon on Loop & Retry https://loopandretry.github.io/tags/long-horizon/ Recent content in Long-Horizon on Loop & Retry Loop & Retry https://loopandretry.github.io/images/og-default.png https://loopandretry.github.io/images/og-default.png Hugo en-us Mon, 13 Jul 2026 18:05:00 -0400 Why a long agent run costs O(N²) tokens — and how to flatten it https://loopandretry.github.io/posts/long-agent-runs-are-quadratic/ Mon, 13 Jul 2026 18:05:00 -0400 https://loopandretry.github.io/posts/long-agent-runs-are-quadratic/ A naive agent’s token bill doesn’t grow with the number of steps — it grows with the square of them, because every step re-reads the whole transcript that every previous step appended to. A small cost model shows the curve, and four structural moves turn the quadratic back into something close to linear without dropping information the agent actually needs.