Convert sessions between Claude and Codex without burning tokens on summaries

Effective_Farmer2542 · reddit · 2026-08-24

A practical tip: consulting Codex on work done by Claude yields better results, but having Claude write a session summary burned tokens and lost context. The author now uses Baton, an open-source CLI that converts a session straight into the other agent's format — since the context is just a file on local disk:

sh

baton convert --from claude-code --to codex --import

They also use it when hitting session limits on Claude or Codex: same conversation, tool calls and reasoning preserved, picked up right where it left off. Native session sharing would be better, but this is good enough for now.

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