GPT-6 Astra ships compaction in Codex: notes persist and old context stays searchable
daniel_mac8 · x · 2026-09-05
danielmac8 details GPT-6 Astra's new compaction mechanism in Codex:
- Save notes across context windows: key info carries over instead of vanishing with old windows.
- Searchable earlier windows: past messages and tool calls can be retrieved.
He argues this makes the model far less amnesiac and makes the context window feel massive.
More from coding & agent
- Librarian Agents: RL-trained agents build file systems, lifting RAG accuracy 44%→77% — simonguozirui · 2026-10-21
- Slack's first employee: living specs as source of truth, AI agents maintain the docs — josh_wills · 2026-10-21
- SpaceX support uses Grok Bot to clear 204 tickets in ~10 minutes — XFreeze · 2026-10-21
- GitHub Copilot's HydraFusion Orchestrates Multiple Models Per Task — WirelessLife · 2026-10-21
- Nous Research's Hermes now launches Cua Spaces for computer-use agents — alexcovo_eth · 2026-10-21
- Headlong from Laude's Slingshots batch is a microharness for persistent agents — lateinteraction · 2026-10-21