Prime Sandboxes Adds Filesystem Checkpoints to Fork Agent Rollouts Mid-Trajectory
samsja19 · x · 2026-10-15
Prime Sandboxes introduces filesystem checkpoints: snapshot a sandbox at any point in a trajectory and restore it into as many fresh sandboxes as needed. Fork new rollouts from intermediate states, and checkpoint inside a branch to fork again — useful for agent RL and evals.
More from coding & agent
- Claude Code fast mode broken for 20x Max subscriber, user reports billing mismatch — RileyRalmuto · 2026-10-15
- Benchmarking coding agent harnesses and inference: lessons from $100Ks/month in research spend — abhijithneil · 2026-10-15
- AssetFurnace: Free Open-Source Local Image-to-3D Pipeline for Game Characters — chongdashu · 2026-10-15
- BaoCut's open-source approach to AI bilingual subtitle alignment, in five pitfalls — dotey · 2026-10-15
- Claude Code ships 278 changes in 2 days: 7 updates worth knowing — minchoi · 2026-10-15
- Video edited entirely by Claude Opus 4.5 High using free self-made skills, no editing software — chongdashu · 2026-10-15